xref: /petsc/src/ts/tutorials/advection-diffusion-reaction/shashi.F90 (revision f3009475e76b88235fed0745eafb07e4fd4a8d93)
1c4762a1bSJed Brown
2c4762a1bSJed Brown      program main
3c4762a1bSJed Brown#include <petsc/finclude/petsc.h>
4c4762a1bSJed Brown      use petsc
5c4762a1bSJed Brown      implicit none
6c4762a1bSJed Brown
7c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
8c4762a1bSJed Brown!                   Variable declarations
9c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
10c4762a1bSJed Brown!
11c4762a1bSJed Brown!  Variables:
12c4762a1bSJed Brown!     snes        - nonlinear solver
13c4762a1bSJed Brown!     ksp        - linear solver
14c4762a1bSJed Brown!     pc          - preconditioner context
15c4762a1bSJed Brown!     ksp         - Krylov subspace method context
16c4762a1bSJed Brown!     x, r        - solution, residual vectors
17c4762a1bSJed Brown!     J           - Jacobian matrix
18c4762a1bSJed Brown!     its         - iterations for convergence
19c4762a1bSJed Brown!
20c4762a1bSJed Brown      SNES     snes
21c4762a1bSJed Brown      PC       pc
22c4762a1bSJed Brown      KSP      ksp
23c4762a1bSJed Brown      Vec      x,r,lb,ub
24c4762a1bSJed Brown      Mat      J
25c4762a1bSJed Brown      SNESLineSearch linesearch
26c4762a1bSJed Brown      PetscErrorCode  ierr
27c4762a1bSJed Brown      PetscInt its,i2,i20
28c4762a1bSJed Brown      PetscMPIInt size
29c4762a1bSJed Brown      PetscScalar   pfive
30c4762a1bSJed Brown      PetscReal   tol
31c4762a1bSJed Brown      PetscBool   setls
32c4762a1bSJed Brown      PetscScalar,pointer :: xx(:)
33c4762a1bSJed Brown      PetscScalar zero,big
34c4762a1bSJed Brown      SNESLineSearch ls
35c4762a1bSJed Brown
36c4762a1bSJed Brown!  Note: Any user-defined Fortran routines (such as FormJacobian)
37c4762a1bSJed Brown!  MUST be declared as external.
38c4762a1bSJed Brown
39c4762a1bSJed Brown      external FormFunction, FormJacobian
40c4762a1bSJed Brown      external ShashiPostCheck
41c4762a1bSJed Brown
42c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
43c4762a1bSJed Brown!                   Macro definitions
44c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
45c4762a1bSJed Brown!
46c4762a1bSJed Brown!  Macros to make clearer the process of setting values in vectors and
47c4762a1bSJed Brown!  getting values from vectors.  These vectors are used in the routines
48c4762a1bSJed Brown!  FormFunction() and FormJacobian().
49c4762a1bSJed Brown!   - The element lx_a(ib) is element ib in the vector x
50c4762a1bSJed Brown!
51c4762a1bSJed Brown#define lx_a(ib) lx_v(lx_i + (ib))
52c4762a1bSJed Brown#define lf_a(ib) lf_v(lf_i + (ib))
53c4762a1bSJed Brown!
54c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
55c4762a1bSJed Brown!                 Beginning of program
56c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
57c4762a1bSJed Brown
58d8606c27SBarry Smith      PetscCallA(PetscInitialize(ierr))
59d8606c27SBarry Smith      PetscCallMPIA(MPI_Comm_size(PETSC_COMM_WORLD,size,ierr))
60c4762a1bSJed Brown      if (size .ne. 1) then; SETERRA(PETSC_COMM_WORLD,1,'requires one process'); endif
61c4762a1bSJed Brown
62c4762a1bSJed Brown      big  = 2.88
63c4762a1bSJed Brown      big  = PETSC_INFINITY
64c4762a1bSJed Brown      zero = 0.0
65c4762a1bSJed Brown      i2  = 26
66c4762a1bSJed Brown! - - - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - -
67c4762a1bSJed Brown!  Create nonlinear solver context
68c4762a1bSJed Brown! - - - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - -
69c4762a1bSJed Brown
70d8606c27SBarry Smith      PetscCallA(SNESCreate(PETSC_COMM_WORLD,snes,ierr))
71c4762a1bSJed Brown
72c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
73c4762a1bSJed Brown!  Create matrix and vector data structures; set corresponding routines
74c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
75c4762a1bSJed Brown
76c4762a1bSJed Brown!  Create vectors for solution and nonlinear function
77c4762a1bSJed Brown
78d8606c27SBarry Smith      PetscCallA(VecCreateSeq(PETSC_COMM_SELF,i2,x,ierr))
79d8606c27SBarry Smith      PetscCallA(VecDuplicate(x,r,ierr))
80c4762a1bSJed Brown
81c4762a1bSJed Brown!  Create Jacobian matrix data structure
82c4762a1bSJed Brown
83d8606c27SBarry Smith      PetscCallA(MatCreateDense(PETSC_COMM_SELF,26,26,26,26,PETSC_NULL_SCALAR,J,ierr))
84c4762a1bSJed Brown
85c4762a1bSJed Brown!  Set function evaluation routine and vector
86c4762a1bSJed Brown
87d8606c27SBarry Smith      PetscCallA(SNESSetFunction(snes,r,FormFunction,0,ierr))
88c4762a1bSJed Brown
89c4762a1bSJed Brown!  Set Jacobian matrix data structure and Jacobian evaluation routine
90c4762a1bSJed Brown
91d8606c27SBarry Smith      PetscCallA(SNESSetJacobian(snes,J,J,FormJacobian,0,ierr))
92c4762a1bSJed Brown
93d8606c27SBarry Smith      PetscCallA(VecDuplicate(x,lb,ierr))
94d8606c27SBarry Smith      PetscCallA(VecDuplicate(x,ub,ierr))
95d8606c27SBarry Smith      PetscCallA(VecSet(lb,zero,ierr))
96d8606c27SBarry Smith!      PetscCallA(VecGetArrayF90(lb,xx,ierr))
97*f3009475SJose E. Roman!      PetscCallA(ShashiLowerBound(xx))
98d8606c27SBarry Smith!      PetscCallA(VecRestoreArrayF90(lb,xx,ierr))
99d8606c27SBarry Smith      PetscCallA(VecSet(ub,big,ierr))
100d8606c27SBarry Smith!      PetscCallA(SNESVISetVariableBounds(snes,lb,ub,ierr))
101c4762a1bSJed Brown
102d8606c27SBarry Smith      PetscCallA(SNESGetLineSearch(snes,ls,ierr))
103d8606c27SBarry Smith      PetscCallA(SNESLineSearchSetPostCheck(ls,ShashiPostCheck,0,ierr))
104d8606c27SBarry Smith      PetscCallA(SNESSetType(snes,SNESVINEWTONRSLS,ierr))
105c4762a1bSJed Brown
106d8606c27SBarry Smith      PetscCallA(SNESSetFromOptions(snes,ierr))
107c4762a1bSJed Brown
108c4762a1bSJed Brown!     set initial guess
109c4762a1bSJed Brown
110d8606c27SBarry Smith      PetscCallA(VecGetArrayF90(x,xx,ierr))
111*f3009475SJose E. Roman      PetscCallA(ShashiInitialGuess(xx))
112d8606c27SBarry Smith      PetscCallA(VecRestoreArrayF90(x,xx,ierr))
113c4762a1bSJed Brown
114d8606c27SBarry Smith      PetscCallA(SNESSolve(snes,PETSC_NULL_VEC,x,ierr))
115c4762a1bSJed Brown
116c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
117c4762a1bSJed Brown!  Free work space.  All PETSc objects should be destroyed when they
118c4762a1bSJed Brown!  are no longer needed.
119c4762a1bSJed Brown! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
120d8606c27SBarry Smith      PetscCallA(VecDestroy(lb,ierr))
121d8606c27SBarry Smith      PetscCallA(VecDestroy(ub,ierr))
122d8606c27SBarry Smith      PetscCallA(VecDestroy(x,ierr))
123d8606c27SBarry Smith      PetscCallA(VecDestroy(r,ierr))
124d8606c27SBarry Smith      PetscCallA(MatDestroy(J,ierr))
125d8606c27SBarry Smith      PetscCallA(SNESDestroy(snes,ierr))
126d8606c27SBarry Smith      PetscCallA(PetscFinalize(ierr))
127c4762a1bSJed Brown      end
128c4762a1bSJed Brown!
129c4762a1bSJed Brown! ------------------------------------------------------------------------
130c4762a1bSJed Brown!
131c4762a1bSJed Brown!  FormFunction - Evaluates nonlinear function, F(x).
132c4762a1bSJed Brown!
133c4762a1bSJed Brown!  Input Parameters:
134c4762a1bSJed Brown!  snes - the SNES context
135c4762a1bSJed Brown!  x - input vector
136c4762a1bSJed Brown!  dummy - optional user-defined context (not used here)
137c4762a1bSJed Brown!
138c4762a1bSJed Brown!  Output Parameter:
139c4762a1bSJed Brown!  f - function vector
140c4762a1bSJed Brown!
141c4762a1bSJed Brown      subroutine FormFunction(snes,x,f,dummy,ierr)
142c4762a1bSJed Brown#include <petsc/finclude/petscsnes.h>
143c4762a1bSJed Brown      use petscsnes
144c4762a1bSJed Brown      implicit none
145c4762a1bSJed Brown      SNES     snes
146c4762a1bSJed Brown      Vec      x,f
147c4762a1bSJed Brown      PetscErrorCode ierr
148c4762a1bSJed Brown      integer dummy(*)
149c4762a1bSJed Brown
150c4762a1bSJed Brown!  Declarations for use with local arrays
151c4762a1bSJed Brown
152c4762a1bSJed Brown      PetscScalar  lx_v(2),lf_v(2)
153c4762a1bSJed Brown      PetscOffset  lx_i,lf_i
154c4762a1bSJed Brown
155c4762a1bSJed Brown!  Get pointers to vector data.
156c4762a1bSJed Brown!    - For default PETSc vectors, VecGetArray() returns a pointer to
157c4762a1bSJed Brown!      the data array.  Otherwise, the routine is implementation dependent.
158c4762a1bSJed Brown!    - You MUST call VecRestoreArray() when you no longer need access to
159c4762a1bSJed Brown!      the array.
160c4762a1bSJed Brown!    - Note that the Fortran interface to VecGetArray() differs from the
161c4762a1bSJed Brown!      C version.  See the Fortran chapter of the users manual for details.
162c4762a1bSJed Brown
163d8606c27SBarry Smith      PetscCall(VecGetArrayRead(x,lx_v,lx_i,ierr))
164d8606c27SBarry Smith      PetscCall(VecGetArray(f,lf_v,lf_i,ierr))
165*f3009475SJose E. Roman      PetscCall(ShashiFormFunction(lx_a(1),lf_a(1)))
166d8606c27SBarry Smith      PetscCall(VecRestoreArrayRead(x,lx_v,lx_i,ierr))
167d8606c27SBarry Smith      PetscCall(VecRestoreArray(f,lf_v,lf_i,ierr))
168c4762a1bSJed Brown
169c4762a1bSJed Brown      return
170c4762a1bSJed Brown      end
171c4762a1bSJed Brown
172c4762a1bSJed Brown! ---------------------------------------------------------------------
173c4762a1bSJed Brown!
174c4762a1bSJed Brown!  FormJacobian - Evaluates Jacobian matrix.
175c4762a1bSJed Brown!
176c4762a1bSJed Brown!  Input Parameters:
177c4762a1bSJed Brown!  snes - the SNES context
178c4762a1bSJed Brown!  x - input vector
179c4762a1bSJed Brown!  dummy - optional user-defined context (not used here)
180c4762a1bSJed Brown!
181c4762a1bSJed Brown!  Output Parameters:
182c4762a1bSJed Brown!  A - Jacobian matrix
183c4762a1bSJed Brown!  B - optionally different preconditioning matrix
184c4762a1bSJed Brown!  flag - flag indicating matrix structure
185c4762a1bSJed Brown!
186c4762a1bSJed Brown      subroutine FormJacobian(snes,X,jac,B,dummy,ierr)
187c4762a1bSJed Brown#include <petsc/finclude/petscsnes.h>
188c4762a1bSJed Brown      use petscsnes
189c4762a1bSJed Brown      implicit none
190c4762a1bSJed Brown      SNES         snes
191c4762a1bSJed Brown      Vec          X
192c4762a1bSJed Brown      Mat          jac,B
193c4762a1bSJed Brown      PetscScalar  A(4)
194c4762a1bSJed Brown      PetscErrorCode ierr
195c4762a1bSJed Brown      PetscInt idx(2),i2
196c4762a1bSJed Brown      integer dummy(*)
197c4762a1bSJed Brown
198c4762a1bSJed Brown!  Declarations for use with local arrays
199c4762a1bSJed Brown
200c4762a1bSJed Brown      PetscScalar lx_v(1),lf_v(1)
201c4762a1bSJed Brown      PetscOffset lx_i,lf_i
202c4762a1bSJed Brown
203c4762a1bSJed Brown!  Get pointer to vector data
204c4762a1bSJed Brown
205d8606c27SBarry Smith      PetscCall(VecGetArrayRead(x,lx_v,lx_i,ierr))
206d8606c27SBarry Smith      PetscCall(MatDenseGetArray(B,lf_v,lf_i,ierr))
207*f3009475SJose E. Roman      PetscCall(ShashiFormJacobian(lx_a(1),lf_a(1)))
208d8606c27SBarry Smith      PetscCall(MatDenseRestoreArray(B,lf_v,lf_i,ierr))
209d8606c27SBarry Smith      PetscCall(VecRestoreArrayRead(x,lx_v,lx_i,ierr))
210c4762a1bSJed Brown
211c4762a1bSJed Brown!  Assemble matrix
212c4762a1bSJed Brown
213d8606c27SBarry Smith      PetscCall(MatAssemblyBegin(jac,MAT_FINAL_ASSEMBLY,ierr))
214d8606c27SBarry Smith      PetscCall(MatAssemblyEnd(jac,MAT_FINAL_ASSEMBLY,ierr))
215c4762a1bSJed Brown
216c4762a1bSJed Brown      return
217c4762a1bSJed Brown      end
218c4762a1bSJed Brown
219c4762a1bSJed Brown            subroutine ShashiLowerBound(an_r)
220c4762a1bSJed Brown!        implicit PetscScalar (a-h,o-z)
221c4762a1bSJed Brown        implicit none
222c4762a1bSJed Brown        PetscScalar an_r(26)
223c4762a1bSJed Brown        PetscInt i
224c4762a1bSJed Brown
225c4762a1bSJed Brown        do i=2,26
226c4762a1bSJed Brown           an_r(i) = 1000.0/6.023D+23
227c4762a1bSJed Brown        enddo
228c4762a1bSJed Brown        return
229c4762a1bSJed Brown        end
230c4762a1bSJed Brown
231c4762a1bSJed Brown            subroutine ShashiInitialGuess(an_r)
232c4762a1bSJed Brown!        implicit PetscScalar (a-h,o-z)
233c4762a1bSJed Brown        implicit none
234c4762a1bSJed Brown        PetscScalar an_c_additive
235c4762a1bSJed Brown        PetscScalar       an_h_additive
236c4762a1bSJed Brown        PetscScalar an_o_additive
237c4762a1bSJed Brown        PetscScalar   atom_c_init
238c4762a1bSJed Brown        PetscScalar atom_h_init
239c4762a1bSJed Brown        PetscScalar atom_n_init
240c4762a1bSJed Brown        PetscScalar atom_o_init
241c4762a1bSJed Brown        PetscScalar h_init
242c4762a1bSJed Brown        PetscScalar p_init
243c4762a1bSJed Brown        PetscInt nfuel
244c4762a1bSJed Brown        PetscScalar temp,pt
245c4762a1bSJed Brown        PetscScalar an_r(26),k_eq(23),f_eq(26)
246c4762a1bSJed Brown        PetscScalar d_eq(26,26),H_molar(26)
247c4762a1bSJed Brown        PetscInt an_h(1),an_c(1)
248c4762a1bSJed Brown        PetscScalar part_p(26)
249c4762a1bSJed Brown        PetscInt i_cc,i_hh,i_h2o
250c4762a1bSJed Brown        PetscInt i_pwr2,i_co2_h2o
251c4762a1bSJed Brown
252c4762a1bSJed Brown        pt = 0.1
253c4762a1bSJed Brown        atom_c_init =6.7408177364816552D-022
254c4762a1bSJed Brown        atom_h_init = 2.0
255c4762a1bSJed Brown        atom_o_init = 1.0
256c4762a1bSJed Brown        atom_n_init = 3.76
257c4762a1bSJed Brown        nfuel = 1
258c4762a1bSJed Brown        an_c(1) = 1
259c4762a1bSJed Brown        an_h(1) = 4
260c4762a1bSJed Brown        an_c_additive = 2
261c4762a1bSJed Brown        an_h_additive = 6
262c4762a1bSJed Brown        an_o_additive = 1
263c4762a1bSJed Brown        h_init = 128799.7267952987
264c4762a1bSJed Brown        p_init = 0.1
265c4762a1bSJed Brown        temp = 1500
266c4762a1bSJed Brown
267c4762a1bSJed Brown      an_r( 1) =     1.66000D-24
268c4762a1bSJed Brown      an_r( 2) =     1.66030D-22
269c4762a1bSJed Brown      an_r( 3) =     5.00000D-01
270c4762a1bSJed Brown      an_r( 4) =     1.66030D-22
271c4762a1bSJed Brown      an_r( 5) =     1.66030D-22
272c4762a1bSJed Brown      an_r( 6) =     1.88000D+00
273c4762a1bSJed Brown      an_r( 7) =     1.66030D-22
274c4762a1bSJed Brown      an_r( 8) =     1.66030D-22
275c4762a1bSJed Brown      an_r( 9) =     1.66030D-22
276c4762a1bSJed Brown      an_r(10) =     1.66030D-22
277c4762a1bSJed Brown      an_r(11) =     1.66030D-22
278c4762a1bSJed Brown      an_r(12) =     1.66030D-22
279c4762a1bSJed Brown      an_r(13) =     1.66030D-22
280c4762a1bSJed Brown      an_r(14) =     1.00000D+00
281c4762a1bSJed Brown      an_r(15) =     1.66030D-22
282c4762a1bSJed Brown      an_r(16) =     1.66030D-22
283c4762a1bSJed Brown      an_r(17) =     1.66000D-24
284c4762a1bSJed Brown      an_r(18) =     1.66030D-24
285c4762a1bSJed Brown      an_r(19) =     1.66030D-24
286c4762a1bSJed Brown      an_r(20) =     1.66030D-24
287c4762a1bSJed Brown      an_r(21) =     1.66030D-24
288c4762a1bSJed Brown      an_r(22) =     1.66030D-24
289c4762a1bSJed Brown      an_r(23) =     1.66030D-24
290c4762a1bSJed Brown      an_r(24) =     1.66030D-24
291c4762a1bSJed Brown      an_r(25) =     1.66030D-24
292c4762a1bSJed Brown      an_r(26) =     1.66030D-24
293c4762a1bSJed Brown
294c4762a1bSJed Brown      an_r = 0
295c4762a1bSJed Brown      an_r( 3) =     .5
296c4762a1bSJed Brown      an_r( 6) =     1.88000
297c4762a1bSJed Brown      an_r(14) =     1.
298c4762a1bSJed Brown
299c4762a1bSJed Brown#if defined(solution)
300c4762a1bSJed Brown      an_r( 1) =      3.802208D-33
301c4762a1bSJed Brown      an_r( 2) =      1.298287D-29
302c4762a1bSJed Brown      an_r( 3) =      2.533067D-04
303c4762a1bSJed Brown      an_r( 4) =      6.865078D-22
304c4762a1bSJed Brown      an_r( 5) =      9.993125D-01
305c4762a1bSJed Brown      an_r( 6) =      1.879964D+00
306c4762a1bSJed Brown      an_r( 7) =      4.449489D-13
307c4762a1bSJed Brown      an_r( 8) =      3.428687D-07
308c4762a1bSJed Brown      an_r( 9) =      7.105138D-05
309c4762a1bSJed Brown      an_r(10) =      1.094368D-04
310c4762a1bSJed Brown      an_r(11) =      2.362305D-06
311c4762a1bSJed Brown      an_r(12) =      1.107145D-09
312c4762a1bSJed Brown      an_r(13) =      1.276162D-24
313c4762a1bSJed Brown      an_r(14) =      6.315538D-04
314c4762a1bSJed Brown      an_r(15) =      2.356540D-09
315c4762a1bSJed Brown      an_r(16) =      2.048248D-09
316c4762a1bSJed Brown      an_r(17) =      1.966187D-22
317c4762a1bSJed Brown      an_r(18) =      7.856497D-29
318c4762a1bSJed Brown      an_r(19) =      1.987840D-36
319c4762a1bSJed Brown      an_r(20) =      8.182441D-22
320c4762a1bSJed Brown      an_r(21) =      2.684880D-16
321c4762a1bSJed Brown      an_r(22) =      2.680473D-16
322c4762a1bSJed Brown      an_r(23) =      6.594967D-18
323c4762a1bSJed Brown      an_r(24) =      2.509714D-21
324c4762a1bSJed Brown      an_r(25) =      3.096459D-21
325c4762a1bSJed Brown      an_r(26) =      6.149551D-18
326c4762a1bSJed Brown#endif
327c4762a1bSJed Brown
328c4762a1bSJed Brown      return
329c4762a1bSJed Brown      end
330c4762a1bSJed Brown
331c4762a1bSJed Brown      subroutine ShashiFormFunction(an_r,f_eq)
332c4762a1bSJed Brown!       implicit PetscScalar (a-h,o-z)
333c4762a1bSJed Brown        implicit none
334c4762a1bSJed Brown        PetscScalar an_c_additive
335c4762a1bSJed Brown        PetscScalar       an_h_additive
336c4762a1bSJed Brown        PetscScalar an_o_additive
337c4762a1bSJed Brown        PetscScalar   atom_c_init
338c4762a1bSJed Brown        PetscScalar atom_h_init
339c4762a1bSJed Brown        PetscScalar atom_n_init
340c4762a1bSJed Brown        PetscScalar atom_o_init
341c4762a1bSJed Brown        PetscScalar h_init
342c4762a1bSJed Brown        PetscScalar p_init
343c4762a1bSJed Brown        PetscInt nfuel
344c4762a1bSJed Brown        PetscScalar temp,pt
345c4762a1bSJed Brown       PetscScalar an_r(26),k_eq(23),f_eq(26)
346c4762a1bSJed Brown       PetscScalar d_eq(26,26),H_molar(26)
347c4762a1bSJed Brown       PetscInt an_h(1),an_c(1)
348c4762a1bSJed Brown       PetscScalar part_p(26),idiff
349c4762a1bSJed Brown        PetscInt i_cc,i_hh,i_h2o
350c4762a1bSJed Brown        PetscInt i_pwr2,i_co2_h2o
351c4762a1bSJed Brown        PetscScalar an_t,sum_h,pt_cubed,pt_five
352c4762a1bSJed Brown        PetscScalar pt_four,pt_val1,pt_val2
353c4762a1bSJed Brown        PetscScalar a_io2
354c4762a1bSJed Brown        PetscInt i,ip
355c4762a1bSJed Brown        pt = 0.1
356c4762a1bSJed Brown        atom_c_init =6.7408177364816552D-022
357c4762a1bSJed Brown        atom_h_init = 2.0
358c4762a1bSJed Brown        atom_o_init = 1.0
359c4762a1bSJed Brown        atom_n_init = 3.76
360c4762a1bSJed Brown        nfuel = 1
361c4762a1bSJed Brown        an_c(1) = 1
362c4762a1bSJed Brown        an_h(1) = 4
363c4762a1bSJed Brown        an_c_additive = 2
364c4762a1bSJed Brown        an_h_additive = 6
365c4762a1bSJed Brown        an_o_additive = 1
366c4762a1bSJed Brown        h_init = 128799.7267952987
367c4762a1bSJed Brown        p_init = 0.1
368c4762a1bSJed Brown        temp = 1500
369c4762a1bSJed Brown
370c4762a1bSJed Brown       k_eq( 1) =     1.75149D-05
371c4762a1bSJed Brown       k_eq( 2) =     4.01405D-06
372c4762a1bSJed Brown       k_eq( 3) =     6.04663D-14
373c4762a1bSJed Brown       k_eq( 4) =     2.73612D-01
374c4762a1bSJed Brown       k_eq( 5) =     3.25592D-03
375c4762a1bSJed Brown       k_eq( 6) =     5.33568D+05
376c4762a1bSJed Brown       k_eq( 7) =     2.07479D+05
377c4762a1bSJed Brown       k_eq( 8) =     1.11841D-02
378c4762a1bSJed Brown       k_eq( 9) =     1.72684D-03
379c4762a1bSJed Brown       k_eq(10) =     1.98588D-07
380c4762a1bSJed Brown       k_eq(11) =     7.23600D+27
381c4762a1bSJed Brown       k_eq(12) =     5.73926D+49
382c4762a1bSJed Brown       k_eq(13) =     1.00000D+00
383c4762a1bSJed Brown       k_eq(14) =     1.64493D+16
384c4762a1bSJed Brown       k_eq(15) =     2.73837D-29
385c4762a1bSJed Brown       k_eq(16) =     3.27419D+50
386c4762a1bSJed Brown       k_eq(17) =     1.72447D-23
387c4762a1bSJed Brown       k_eq(18) =     4.24657D-06
388c4762a1bSJed Brown       k_eq(19) =     1.16065D-14
389c4762a1bSJed Brown       k_eq(20) =     3.28020D+25
390c4762a1bSJed Brown       k_eq(21) =     1.06291D+00
391c4762a1bSJed Brown       k_eq(22) =     9.11507D+02
392c4762a1bSJed Brown       k_eq(23) =     6.02837D+03
393c4762a1bSJed Brown
394c4762a1bSJed Brown       H_molar( 1) =     3.26044D+03
395c4762a1bSJed Brown       H_molar( 2) =    -8.00407D+04
396c4762a1bSJed Brown       H_molar( 3) =     4.05873D+04
397c4762a1bSJed Brown       H_molar( 4) =    -3.31849D+05
398c4762a1bSJed Brown       H_molar( 5) =    -1.93654D+05
399c4762a1bSJed Brown       H_molar( 6) =     3.84035D+04
400c4762a1bSJed Brown       H_molar( 7) =     4.97589D+05
401c4762a1bSJed Brown       H_molar( 8) =     2.74483D+05
402c4762a1bSJed Brown       H_molar( 9) =     1.30022D+05
403c4762a1bSJed Brown       H_molar(10) =     7.58429D+04
404c4762a1bSJed Brown       H_molar(11) =     2.42948D+05
405c4762a1bSJed Brown       H_molar(12) =     1.44588D+05
406c4762a1bSJed Brown       H_molar(13) =    -7.16891D+04
407c4762a1bSJed Brown       H_molar(14) =     3.63075D+04
408c4762a1bSJed Brown       H_molar(15) =     9.23880D+04
409c4762a1bSJed Brown       H_molar(16) =     6.50477D+04
410c4762a1bSJed Brown       H_molar(17) =     3.04310D+05
411c4762a1bSJed Brown       H_molar(18) =     7.41707D+05
412c4762a1bSJed Brown       H_molar(19) =     6.32767D+05
413c4762a1bSJed Brown       H_molar(20) =     8.90624D+05
414c4762a1bSJed Brown       H_molar(21) =     2.49805D+04
415c4762a1bSJed Brown       H_molar(22) =     6.43473D+05
416c4762a1bSJed Brown       H_molar(23) =     1.02861D+06
417c4762a1bSJed Brown       H_molar(24) =    -6.07503D+03
418c4762a1bSJed Brown       H_molar(25) =     1.27020D+05
419c4762a1bSJed Brown       H_molar(26) =    -1.07011D+05
420c4762a1bSJed Brown!=============
421c4762a1bSJed Brown      an_t = 0
422c4762a1bSJed Brown      sum_h = 0
423c4762a1bSJed Brown
424c4762a1bSJed Brown      do i = 1,26
425c4762a1bSJed Brown         an_t = an_t + an_r(i)
426c4762a1bSJed Brown      enddo
427c4762a1bSJed Brown
428c4762a1bSJed Brown        f_eq(1) = atom_h_init                                           &
429c4762a1bSJed Brown     &          - (an_h(1)*an_r(1) + an_h_additive*an_r(2)              &
430c4762a1bSJed Brown     &              + 2*an_r(5) + an_r(10) + an_r(11) + 2*an_r(14)      &
431c4762a1bSJed Brown     &              + an_r(16)+ 2*an_r(17) + an_r(19)                   &
432c4762a1bSJed Brown     &              +an_r(20) + 3*an_r(22)+an_r(26))
433c4762a1bSJed Brown
434c4762a1bSJed Brown        f_eq(2) = atom_o_init                                           &
435c4762a1bSJed Brown     &          - (an_o_additive*an_r(2) + 2*an_r(3)                    &
436c4762a1bSJed Brown     &             + 2*an_r(4) + an_r(5)                                &
437c4762a1bSJed Brown     &             + an_r(8) + an_r(9) + an_r(10) + an_r(12) + an_r(13) &
438c4762a1bSJed Brown     &             + 2*an_r(15) + 2*an_r(16)+ an_r(20) + an_r(22)       &
439c4762a1bSJed Brown     &             + an_r(23) + 2*an_r(24) + 1*an_r(25)+an_r(26))
440c4762a1bSJed Brown
441c4762a1bSJed Brown        f_eq(3) = an_r(2)-1.0d-150
442c4762a1bSJed Brown
443c4762a1bSJed Brown        f_eq(4) = atom_c_init                                           &
444c4762a1bSJed Brown     &          - (an_c(1)*an_r(1) + an_c_additive * an_r(2)            &
445c4762a1bSJed Brown     &          + an_r(4) + an_r(13)+ 2*an_r(17) + an_r(18)             &
446c4762a1bSJed Brown     &          + an_r(19) + an_r(20))
447c4762a1bSJed Brown
448c4762a1bSJed Brown        do ip = 1,26
449c4762a1bSJed Brown           part_p(ip) = (an_r(ip)/an_t) * pt
450c4762a1bSJed Brown        enddo
451c4762a1bSJed Brown
452c4762a1bSJed Brown        i_cc      = an_c(1)
453c4762a1bSJed Brown        i_hh      = an_h(1)
454c4762a1bSJed Brown        a_io2      = i_cc + i_hh/4.0
455c4762a1bSJed Brown        i_h2o     = i_hh/2
456c4762a1bSJed Brown        idiff     = (i_cc + i_h2o) - (a_io2 + 1)
457c4762a1bSJed Brown
458c4762a1bSJed Brown        f_eq(5) = k_eq(11)*an_r(1)*an_r(3)**a_io2                       &
459c4762a1bSJed Brown     &          - (an_r(4)**i_cc)*(an_r(5)**i_h2o)*((pt/an_t)**idiff)
460c4762a1bSJed Brown!           write(6,*)f_eq(5),an_r(1), an_r(3), an_r(4),an_r(5),' II'
461c4762a1bSJed Brown!          stop
462c4762a1bSJed Brown        f_eq(6) = atom_n_init                                           &
463c4762a1bSJed Brown     &          - (2*an_r(6) + an_r(7) + an_r(9) + 2*an_r(12)           &
464c4762a1bSJed Brown     &              + an_r(15)                                          &
465c4762a1bSJed Brown     &              + an_r(23))
466c4762a1bSJed Brown
467c4762a1bSJed Brown      f_eq( 7) = part_p(11)                                             &
468c4762a1bSJed Brown     &         - (k_eq( 1) * sqrt(part_p(14)+1d-23))
469c4762a1bSJed Brown      f_eq( 8) = part_p( 8)                                             &
470c4762a1bSJed Brown     &         - (k_eq( 2) * sqrt(part_p( 3)+1d-23))
471c4762a1bSJed Brown
472c4762a1bSJed Brown      f_eq( 9) = part_p( 7)                                             &
473c4762a1bSJed Brown     &         - (k_eq( 3) * sqrt(part_p( 6)+1d-23))
474c4762a1bSJed Brown
475c4762a1bSJed Brown      f_eq(10) = part_p(10)                                             &
476c4762a1bSJed Brown     &         - (k_eq( 4) * sqrt(part_p( 3)+1d-23))                    &
477c4762a1bSJed Brown     &         * sqrt(part_p(14))
478c4762a1bSJed Brown
479c4762a1bSJed Brown      f_eq(11) = part_p( 9)                                             &
480c4762a1bSJed Brown     &         - (k_eq( 5) * sqrt(part_p( 3)+1d-23))                    &
481c4762a1bSJed Brown     &         * sqrt(part_p( 6)+1d-23)
482c4762a1bSJed Brown      f_eq(12) = part_p( 5)                                             &
483c4762a1bSJed Brown     &         - (k_eq( 6) * sqrt(part_p( 3)+1d-23))                    &
484c4762a1bSJed Brown     &         * (part_p(14))
485c4762a1bSJed Brown
486c4762a1bSJed Brown      f_eq(13) = part_p( 4)                                             &
487c4762a1bSJed Brown     &         - (k_eq( 7) * sqrt(part_p(3)+1.0d-23))                   &
488c4762a1bSJed Brown     &         * (part_p(13))
489c4762a1bSJed Brown
490c4762a1bSJed Brown      f_eq(14) = part_p(15)                                             &
491c4762a1bSJed Brown     &         - (k_eq( 8) * sqrt(part_p(3)+1.0d-50))                   &
492c4762a1bSJed Brown     &         * (part_p( 9))
493c4762a1bSJed Brown      f_eq(15) = part_p(16)                                             &
494c4762a1bSJed Brown     &         - (k_eq( 9) * part_p( 3))                                &
495c4762a1bSJed Brown     &         * sqrt(part_p(14)+1d-23)
496c4762a1bSJed Brown
497c4762a1bSJed Brown      f_eq(16) = part_p(12)                                             &
498c4762a1bSJed Brown     &         - (k_eq(10) * sqrt(part_p( 3)+1d-23))                    &
499c4762a1bSJed Brown     &         * (part_p( 6))
500c4762a1bSJed Brown
501c4762a1bSJed Brown      f_eq(17) = part_p(14)*part_p(18)**2                               &
502c4762a1bSJed Brown     &         - (k_eq(15) * part_p(17))
503c4762a1bSJed Brown
504c4762a1bSJed Brown      f_eq(18) = (part_p(13)**2)                                        &
505c4762a1bSJed Brown     &     - (k_eq(16) * part_p(3)*part_p(18)**2)
506c4762a1bSJed Brown      print*,f_eq(18),part_p(3),part_p(18),part_p(13),k_eq(16)
507c4762a1bSJed Brown
508c4762a1bSJed Brown      f_eq(19) = part_p(19)*part_p(3) - k_eq(17)*part_p(13)*part_p(10)
509c4762a1bSJed Brown
510c4762a1bSJed Brown      f_eq(20) = part_p(21)*part_p(20) - k_eq(18)*part_p(19)*part_p(8)
511c4762a1bSJed Brown
512c4762a1bSJed Brown      f_eq(21) = part_p(21)*part_p(23) - k_eq(19)*part_p(7)*part_p(8)
513c4762a1bSJed Brown
514c4762a1bSJed Brown      f_eq(22) = part_p(5)*part_p(11) - k_eq(20)*part_p(21)*part_p(22)
515c4762a1bSJed Brown
516c4762a1bSJed Brown      f_eq(23) = part_p(24) - k_eq(21)*part_p(21)*part_p(3)
517c4762a1bSJed Brown
518c4762a1bSJed Brown      f_eq(24) =  part_p(3)*part_p(25) - k_eq(22)*part_p(24)*part_p(8)
519c4762a1bSJed Brown
520c4762a1bSJed Brown      f_eq(25) =  part_p(26) - k_eq(23)*part_p(21)*part_p(10)
521c4762a1bSJed Brown
522c4762a1bSJed Brown      f_eq(26) = -(an_r(20) + an_r(22) + an_r(23))                      &
523c4762a1bSJed Brown     &          +(an_r(21) + an_r(24) + an_r(25) + an_r(26))
524c4762a1bSJed Brown
525c4762a1bSJed Brown             do i = 1,26
526c4762a1bSJed Brown                 write(44,*)i,f_eq(i)
527c4762a1bSJed Brown              enddo
528c4762a1bSJed Brown
529c4762a1bSJed Brown      return
530c4762a1bSJed Brown      end
531c4762a1bSJed Brown
532c4762a1bSJed Brown      subroutine ShashiFormJacobian(an_r,d_eq)
533c4762a1bSJed Brown!        implicit PetscScalar (a-h,o-z)
534c4762a1bSJed Brown        implicit none
535c4762a1bSJed Brown        PetscScalar an_c_additive
536c4762a1bSJed Brown        PetscScalar       an_h_additive
537c4762a1bSJed Brown        PetscScalar an_o_additive
538c4762a1bSJed Brown        PetscScalar   atom_c_init
539c4762a1bSJed Brown        PetscScalar atom_h_init
540c4762a1bSJed Brown        PetscScalar atom_n_init
541c4762a1bSJed Brown        PetscScalar atom_o_init
542c4762a1bSJed Brown        PetscScalar h_init
543c4762a1bSJed Brown        PetscScalar p_init
544c4762a1bSJed Brown        PetscInt nfuel
545c4762a1bSJed Brown        PetscScalar temp,pt
546c4762a1bSJed Brown        PetscScalar an_t,ai_o2,sum_h
547c4762a1bSJed Brown        PetscScalar an_tot1_d,an_tot1
548c4762a1bSJed Brown        PetscScalar an_tot2_d,an_tot2
549c4762a1bSJed Brown        PetscScalar const5,const3,const2
550c4762a1bSJed Brown        PetscScalar   const_cube
551c4762a1bSJed Brown        PetscScalar   const_five
552c4762a1bSJed Brown        PetscScalar   const_four
553c4762a1bSJed Brown        PetscScalar   const_six
554c4762a1bSJed Brown        PetscInt jj,jb,ii3,id,ib,ip,i
555c4762a1bSJed Brown        PetscScalar   pt2,pt1
556c4762a1bSJed Brown        PetscScalar an_r(26),k_eq(23),f_eq(26)
557c4762a1bSJed Brown        PetscScalar d_eq(26,26),H_molar(26)
558c4762a1bSJed Brown        PetscInt an_h(1),an_c(1)
559c4762a1bSJed Brown        PetscScalar ai_pwr1,part_p(26),idiff
560c4762a1bSJed Brown        PetscInt i_cc,i_hh
561c4762a1bSJed Brown        PetscInt i_h2o,i_pwr2,i_co2_h2o
562c4762a1bSJed Brown        PetscScalar pt_cube,pt_five
563c4762a1bSJed Brown        PetscScalar pt_four
564c4762a1bSJed Brown        PetscScalar pt_val1,pt_val2,a_io2
565c4762a1bSJed Brown        PetscInt j
566c4762a1bSJed Brown
567c4762a1bSJed Brown        pt = 0.1
568c4762a1bSJed Brown        atom_c_init =6.7408177364816552D-022
569c4762a1bSJed Brown        atom_h_init = 2.0
570c4762a1bSJed Brown        atom_o_init = 1.0
571c4762a1bSJed Brown        atom_n_init = 3.76
572c4762a1bSJed Brown        nfuel = 1
573c4762a1bSJed Brown        an_c(1) = 1
574c4762a1bSJed Brown        an_h(1) = 4
575c4762a1bSJed Brown        an_c_additive = 2
576c4762a1bSJed Brown        an_h_additive = 6
577c4762a1bSJed Brown        an_o_additive = 1
578c4762a1bSJed Brown        h_init = 128799.7267952987
579c4762a1bSJed Brown        p_init = 0.1
580c4762a1bSJed Brown        temp = 1500
581c4762a1bSJed Brown
582c4762a1bSJed Brown       k_eq( 1) =     1.75149D-05
583c4762a1bSJed Brown       k_eq( 2) =     4.01405D-06
584c4762a1bSJed Brown       k_eq( 3) =     6.04663D-14
585c4762a1bSJed Brown       k_eq( 4) =     2.73612D-01
586c4762a1bSJed Brown       k_eq( 5) =     3.25592D-03
587c4762a1bSJed Brown       k_eq( 6) =     5.33568D+05
588c4762a1bSJed Brown       k_eq( 7) =     2.07479D+05
589c4762a1bSJed Brown       k_eq( 8) =     1.11841D-02
590c4762a1bSJed Brown       k_eq( 9) =     1.72684D-03
591c4762a1bSJed Brown       k_eq(10) =     1.98588D-07
592c4762a1bSJed Brown       k_eq(11) =     7.23600D+27
593c4762a1bSJed Brown       k_eq(12) =     5.73926D+49
594c4762a1bSJed Brown       k_eq(13) =     1.00000D+00
595c4762a1bSJed Brown       k_eq(14) =     1.64493D+16
596c4762a1bSJed Brown       k_eq(15) =     2.73837D-29
597c4762a1bSJed Brown       k_eq(16) =     3.27419D+50
598c4762a1bSJed Brown       k_eq(17) =     1.72447D-23
599c4762a1bSJed Brown       k_eq(18) =     4.24657D-06
600c4762a1bSJed Brown       k_eq(19) =     1.16065D-14
601c4762a1bSJed Brown       k_eq(20) =     3.28020D+25
602c4762a1bSJed Brown       k_eq(21) =     1.06291D+00
603c4762a1bSJed Brown       k_eq(22) =     9.11507D+02
604c4762a1bSJed Brown       k_eq(23) =     6.02837D+03
605c4762a1bSJed Brown
606c4762a1bSJed Brown       H_molar( 1) =     3.26044D+03
607c4762a1bSJed Brown       H_molar( 2) =    -8.00407D+04
608c4762a1bSJed Brown       H_molar( 3) =     4.05873D+04
609c4762a1bSJed Brown       H_molar( 4) =    -3.31849D+05
610c4762a1bSJed Brown       H_molar( 5) =    -1.93654D+05
611c4762a1bSJed Brown       H_molar( 6) =     3.84035D+04
612c4762a1bSJed Brown       H_molar( 7) =     4.97589D+05
613c4762a1bSJed Brown       H_molar( 8) =     2.74483D+05
614c4762a1bSJed Brown       H_molar( 9) =     1.30022D+05
615c4762a1bSJed Brown       H_molar(10) =     7.58429D+04
616c4762a1bSJed Brown       H_molar(11) =     2.42948D+05
617c4762a1bSJed Brown       H_molar(12) =     1.44588D+05
618c4762a1bSJed Brown       H_molar(13) =    -7.16891D+04
619c4762a1bSJed Brown       H_molar(14) =     3.63075D+04
620c4762a1bSJed Brown       H_molar(15) =     9.23880D+04
621c4762a1bSJed Brown       H_molar(16) =     6.50477D+04
622c4762a1bSJed Brown       H_molar(17) =     3.04310D+05
623c4762a1bSJed Brown       H_molar(18) =     7.41707D+05
624c4762a1bSJed Brown       H_molar(19) =     6.32767D+05
625c4762a1bSJed Brown       H_molar(20) =     8.90624D+05
626c4762a1bSJed Brown       H_molar(21) =     2.49805D+04
627c4762a1bSJed Brown       H_molar(22) =     6.43473D+05
628c4762a1bSJed Brown       H_molar(23) =     1.02861D+06
629c4762a1bSJed Brown       H_molar(24) =    -6.07503D+03
630c4762a1bSJed Brown       H_molar(25) =     1.27020D+05
631c4762a1bSJed Brown       H_molar(26) =    -1.07011D+05
632c4762a1bSJed Brown
633c4762a1bSJed Brown!
634c4762a1bSJed Brown!=======
635c4762a1bSJed Brown      do jb = 1,26
636c4762a1bSJed Brown         do ib = 1,26
637c4762a1bSJed Brown            d_eq(ib,jb) = 0.0d0
638c4762a1bSJed Brown         end do
639c4762a1bSJed Brown      end do
640c4762a1bSJed Brown
641c4762a1bSJed Brown        an_t = 0.0
642c4762a1bSJed Brown      do id = 1,26
643c4762a1bSJed Brown         an_t = an_t + an_r(id)
644c4762a1bSJed Brown      enddo
645c4762a1bSJed Brown
646c4762a1bSJed Brown!====
647c4762a1bSJed Brown!====
648c4762a1bSJed Brown        d_eq(1,1) = -an_h(1)
649c4762a1bSJed Brown        d_eq(1,2) = -an_h_additive
650c4762a1bSJed Brown        d_eq(1,5) = -2
651c4762a1bSJed Brown        d_eq(1,10) = -1
652c4762a1bSJed Brown        d_eq(1,11) = -1
653c4762a1bSJed Brown        d_eq(1,14) = -2
654c4762a1bSJed Brown        d_eq(1,16) = -1
655c4762a1bSJed Brown        d_eq(1,17) = -2
656c4762a1bSJed Brown        d_eq(1,19) = -1
657c4762a1bSJed Brown        d_eq(1,20) = -1
658c4762a1bSJed Brown        d_eq(1,22) = -3
659c4762a1bSJed Brown        d_eq(1,26) = -1
660c4762a1bSJed Brown
661c4762a1bSJed Brown        d_eq(2,2) = -1*an_o_additive
662c4762a1bSJed Brown        d_eq(2,3) = -2
663c4762a1bSJed Brown        d_eq(2,4) = -2
664c4762a1bSJed Brown        d_eq(2,5) = -1
665c4762a1bSJed Brown        d_eq(2,8) = -1
666c4762a1bSJed Brown        d_eq(2,9) = -1
667c4762a1bSJed Brown        d_eq(2,10) = -1
668c4762a1bSJed Brown        d_eq(2,12) = -1
669c4762a1bSJed Brown        d_eq(2,13) = -1
670c4762a1bSJed Brown        d_eq(2,15) = -2
671c4762a1bSJed Brown        d_eq(2,16) = -2
672c4762a1bSJed Brown        d_eq(2,20) = -1
673c4762a1bSJed Brown        d_eq(2,22) = -1
674c4762a1bSJed Brown        d_eq(2,23) = -1
675c4762a1bSJed Brown        d_eq(2,24) = -2
676c4762a1bSJed Brown        d_eq(2,25) = -1
677c4762a1bSJed Brown        d_eq(2,26) = -1
678c4762a1bSJed Brown
679c4762a1bSJed Brown        d_eq(6,6) = -2
680c4762a1bSJed Brown        d_eq(6,7) = -1
681c4762a1bSJed Brown        d_eq(6,9) = -1
682c4762a1bSJed Brown        d_eq(6,12) = -2
683c4762a1bSJed Brown        d_eq(6,15) = -1
684c4762a1bSJed Brown        d_eq(6,23) = -1
685c4762a1bSJed Brown
686c4762a1bSJed Brown        d_eq(4,1) = -an_c(1)
687c4762a1bSJed Brown        d_eq(4,2) = -an_c_additive
688c4762a1bSJed Brown        d_eq(4,4) = -1
689c4762a1bSJed Brown        d_eq(4,13) = -1
690c4762a1bSJed Brown        d_eq(4,17) = -2
691c4762a1bSJed Brown        d_eq(4,18) = -1
692c4762a1bSJed Brown        d_eq(4,19) = -1
693c4762a1bSJed Brown        d_eq(4,20) = -1
694c4762a1bSJed Brown
695c4762a1bSJed Brown!----------
696c4762a1bSJed Brown        const2 = an_t*an_t
697c4762a1bSJed Brown        const3 = (an_t)*sqrt(an_t)
698c4762a1bSJed Brown        const5 = an_t*const3
699c4762a1bSJed Brown
700c4762a1bSJed Brown           const_cube =  an_t*an_t*an_t
701c4762a1bSJed Brown           const_four =  const2*const2
702c4762a1bSJed Brown           const_five =  const2*const_cube
703c4762a1bSJed Brown           const_six  = const_cube*const_cube
704c4762a1bSJed Brown           pt_cube = pt*pt*pt
705c4762a1bSJed Brown           pt_four = pt_cube*pt
706c4762a1bSJed Brown           pt_five = pt_cube*pt*pt
707c4762a1bSJed Brown
708c4762a1bSJed Brown           i_cc = an_c(1)
709c4762a1bSJed Brown           i_hh = an_h(1)
710c4762a1bSJed Brown           ai_o2     = i_cc + float(i_hh)/4.0
711c4762a1bSJed Brown           i_co2_h2o = i_cc + i_hh/2
712c4762a1bSJed Brown           i_h2o     = i_hh/2
713c4762a1bSJed Brown           ai_pwr1  = 1 + i_cc + float(i_hh)/4.0
714c4762a1bSJed Brown           i_pwr2  = i_cc + i_hh/2
715c4762a1bSJed Brown           idiff     = (i_cc + i_h2o) - (ai_o2 + 1)
716c4762a1bSJed Brown
717c4762a1bSJed Brown           pt1   = pt**(ai_pwr1)
718c4762a1bSJed Brown           an_tot1 = an_t**(ai_pwr1)
719c4762a1bSJed Brown           pt_val1 = (pt/an_t)**(ai_pwr1)
720c4762a1bSJed Brown           an_tot1_d = an_tot1*an_t
721c4762a1bSJed Brown
722c4762a1bSJed Brown           pt2   = pt**(i_pwr2)
723c4762a1bSJed Brown           an_tot2 = an_t**(i_pwr2)
724c4762a1bSJed Brown           pt_val2 = (pt/an_t)**(i_pwr2)
725c4762a1bSJed Brown           an_tot2_d = an_tot2*an_t
726c4762a1bSJed Brown
727c4762a1bSJed Brown           d_eq(5,1) =                                                  &
728c4762a1bSJed Brown     &           -(an_r(4)**i_cc)*(an_r(5)**i_h2o)                      &
729c4762a1bSJed Brown     &           *((pt/an_t)**idiff) *(-idiff/an_t)
730c4762a1bSJed Brown
731c4762a1bSJed Brown           do jj = 2,26
732c4762a1bSJed Brown              d_eq(5,jj) = d_eq(5,1)
733c4762a1bSJed Brown           enddo
734c4762a1bSJed Brown
735c4762a1bSJed Brown           d_eq(5,1) = d_eq(5,1) + k_eq(11)* (an_r(3) **ai_o2)
736c4762a1bSJed Brown
737c4762a1bSJed Brown           d_eq(5,3) = d_eq(5,3) + k_eq(11)* (ai_o2*an_r(3)**(ai_o2-1)) &
738c4762a1bSJed Brown     &                           * an_r(1)
739c4762a1bSJed Brown
740c4762a1bSJed Brown           d_eq(5,4) = d_eq(5,4) - (i_cc*an_r(4)**(i_cc-1))*            &
741c4762a1bSJed Brown     &                           (an_r(5)**i_h2o)* ((pt/an_t)**idiff)
742c4762a1bSJed Brown           d_eq(5,5) = d_eq(5,5)                                        &
743c4762a1bSJed Brown     &               - (i_h2o*(an_r(5)**(i_h2o-1)))                     &
744c4762a1bSJed Brown     &               * (an_r(4)**i_cc)* ((pt/an_t)**idiff)
745c4762a1bSJed Brown
746c4762a1bSJed Brown           d_eq(3,1) = -(an_r(4)**2)*(an_r(5)**3)*(pt/an_t)*(-1.0/an_t)
747c4762a1bSJed Brown           do jj = 2,26
748c4762a1bSJed Brown              d_eq(3,jj) = d_eq(3,1)
749c4762a1bSJed Brown           enddo
750c4762a1bSJed Brown
751c4762a1bSJed Brown           d_eq(3,2) = d_eq(3,2) + k_eq(12)* (an_r(3)**3)
752c4762a1bSJed Brown
753c4762a1bSJed Brown           d_eq(3,3) = d_eq(3,3) + k_eq(12)* (3*an_r(3)**2)*an_r(2)
754c4762a1bSJed Brown
755c4762a1bSJed Brown           d_eq(3,4) = d_eq(3,4) - 2*an_r(4)*(an_r(5)**3)*(pt/an_t)
756c4762a1bSJed Brown
757c4762a1bSJed Brown           d_eq(3,5) = d_eq(3,5) - 3*(an_r(5)**2)*(an_r(4)**2)*(pt/an_t)
758c4762a1bSJed Brown!     &                           *(pt_five/const_five)
759c4762a1bSJed Brown
760c4762a1bSJed Brown           do ii3 = 1,26
761c4762a1bSJed Brown              d_eq(3,ii3) = 0.0d0
762c4762a1bSJed Brown           enddo
763c4762a1bSJed Brown           d_eq(3,2) = 1.0d0
764c4762a1bSJed Brown
765c4762a1bSJed Brown        d_eq(7,1) = pt*an_r(11)*(-1.0)/const2                           &
766c4762a1bSJed Brown     &            -k_eq(1)*sqrt(pt)*sqrt(an_r(14)+1d-50)*(-0.5/const3)
767c4762a1bSJed Brown
768c4762a1bSJed Brown        do jj = 2,26
769c4762a1bSJed Brown           d_eq(7,jj) = d_eq(7,1)
770c4762a1bSJed Brown        enddo
771c4762a1bSJed Brown
772c4762a1bSJed Brown        d_eq(7,11) = d_eq(7,11) + pt/an_t
773c4762a1bSJed Brown        d_eq(7,14) = d_eq(7,14)                                         &
774c4762a1bSJed Brown     &            - k_eq(1)*sqrt(pt)*(0.5/(sqrt((an_r(14)+1d-50)*an_t)))
775c4762a1bSJed Brown
776c4762a1bSJed Brown        d_eq(8,1) = pt*an_r(8)*(-1.0)/const2                            &
777c4762a1bSJed Brown     &            -k_eq(2)*sqrt(pt)*sqrt(an_r(3)+1.0d-50)*(-0.5/const3)
778c4762a1bSJed Brown
779c4762a1bSJed Brown        do jj = 2,26
780c4762a1bSJed Brown           d_eq(8,jj) = d_eq(8,1)
781c4762a1bSJed Brown        enddo
782c4762a1bSJed Brown
783c4762a1bSJed Brown        d_eq(8,3) = d_eq(8,3)                                           &
784c4762a1bSJed Brown     &            -k_eq(2)*sqrt(pt)*(0.5/(sqrt((an_r(3)+1.0d-50)*an_t)))
785c4762a1bSJed Brown        d_eq(8,8) = d_eq(8,8) + pt/an_t
786c4762a1bSJed Brown
787c4762a1bSJed Brown        d_eq(9,1) = pt*an_r(7)*(-1.0)/const2                            &
788c4762a1bSJed Brown     &            -k_eq(3)*sqrt(pt)*sqrt(an_r(6))*(-0.5/const3)
789c4762a1bSJed Brown
790c4762a1bSJed Brown        do jj = 2,26
791c4762a1bSJed Brown           d_eq(9,jj) = d_eq(9,1)
792c4762a1bSJed Brown        enddo
793c4762a1bSJed Brown
794c4762a1bSJed Brown        d_eq(9,7) = d_eq(9,7) + pt/an_t
795c4762a1bSJed Brown        d_eq(9,6) = d_eq(9,6)                                           &
796c4762a1bSJed Brown     &             -k_eq(3)*sqrt(pt)*(0.5/(sqrt(an_r(6)*an_t)))
797c4762a1bSJed Brown
798c4762a1bSJed Brown        d_eq(10,1) = pt*an_r(10)*(-1.0)/const2                          &
799c4762a1bSJed Brown     &             -k_eq(4)*(pt)*sqrt((an_r(3)+1.0d-50)                 &
800c4762a1bSJed Brown     &       *an_r(14))*(-1.0/const2)
801c4762a1bSJed Brown        do jj = 2,26
802c4762a1bSJed Brown           d_eq(10,jj) = d_eq(10,1)
803c4762a1bSJed Brown        enddo
804c4762a1bSJed Brown
805c4762a1bSJed Brown        d_eq(10,3) = d_eq(10,3)                                         &
806c4762a1bSJed Brown     &           -k_eq(4)*(pt)*sqrt(an_r(14))                           &
807c4762a1bSJed Brown     &           *(0.5/(sqrt(an_r(3)+1.0d-50)*an_t))
808c4762a1bSJed Brown        d_eq(10,10) = d_eq(10,10) + pt/an_t
809c4762a1bSJed Brown        d_eq(10,14) = d_eq(10,14)                                       &
810c4762a1bSJed Brown     &           -k_eq(4)*(pt)*sqrt(an_r(3)+1.0d-50)                    &
811c4762a1bSJed Brown     &            *(0.5/(sqrt(an_r(14)+1.0d-50)*an_t))
812c4762a1bSJed Brown
813c4762a1bSJed Brown        d_eq(11,1) = pt*an_r(9)*(-1.0)/const2                           &
814c4762a1bSJed Brown     &             -k_eq(5)*(pt)*sqrt((an_r(3)+1.0d-50)*an_r(6))        &
815c4762a1bSJed Brown     &             *(-1.0/const2)
816c4762a1bSJed Brown
817c4762a1bSJed Brown        do jj = 2,26
818c4762a1bSJed Brown           d_eq(11,jj) = d_eq(11,1)
819c4762a1bSJed Brown        enddo
820c4762a1bSJed Brown
821c4762a1bSJed Brown        d_eq(11,3) = d_eq(11,3)                                         &
822c4762a1bSJed Brown     &            -k_eq(5)*(pt)*sqrt(an_r(6))*(0.5/                     &
823c4762a1bSJed Brown     &       (sqrt(an_r(3)+1.0d-50)*an_t))
824c4762a1bSJed Brown        d_eq(11,6) = d_eq(11,6)                                         &
825c4762a1bSJed Brown     &            -k_eq(5)*(pt)*sqrt(an_r(3)+1.0d-50)                   &
826c4762a1bSJed Brown     &       *(0.5/(sqrt(an_r(6))*an_t))
827c4762a1bSJed Brown        d_eq(11,9) = d_eq(11,9) + pt/an_t
828c4762a1bSJed Brown
829c4762a1bSJed Brown        d_eq(12,1) = pt*an_r(5)*(-1.0)/const2                           &
830c4762a1bSJed Brown     &             -k_eq(6)*(pt**1.5)*sqrt(an_r(3)+1.0d-50)             &
831c4762a1bSJed Brown     &             *(an_r(14))*(-1.5/const5)
832c4762a1bSJed Brown
833c4762a1bSJed Brown        do jj = 2,26
834c4762a1bSJed Brown           d_eq(12,jj) = d_eq(12,1)
835c4762a1bSJed Brown        enddo
836c4762a1bSJed Brown
837c4762a1bSJed Brown        d_eq(12,3) = d_eq(12,3)                                         &
838c4762a1bSJed Brown     &            -k_eq(6)*(pt**1.5)*((an_r(14)+1.0d-50)/const3)        &
839c4762a1bSJed Brown     &            *(0.5/sqrt(an_r(3)+1.0d-50))
840c4762a1bSJed Brown
841c4762a1bSJed Brown        d_eq(12,5) = d_eq(12,5) + pt/an_t
842c4762a1bSJed Brown        d_eq(12,14) = d_eq(12,14)                                       &
843c4762a1bSJed Brown     &            -k_eq(6)*(pt**1.5)*(sqrt(an_r(3)+1.0d-50)/const3)
844c4762a1bSJed Brown
845c4762a1bSJed Brown        d_eq(13,1) = pt*an_r(4)*(-1.0)/const2                           &
846c4762a1bSJed Brown     &             -k_eq(7)*(pt**1.5)*sqrt(an_r(3)+1.0d-50)             &
847c4762a1bSJed Brown     &             *(an_r(13))*(-1.5/const5)
848c4762a1bSJed Brown
849c4762a1bSJed Brown        do jj = 2,26
850c4762a1bSJed Brown           d_eq(13,jj) = d_eq(13,1)
851c4762a1bSJed Brown        enddo
852c4762a1bSJed Brown
853c4762a1bSJed Brown        d_eq(13,3) = d_eq(13,3)                                         &
854c4762a1bSJed Brown     &            -k_eq(7)*(pt**1.5)*(an_r(13)/const3)                  &
855c4762a1bSJed Brown     &            *(0.5/sqrt(an_r(3)+1.0d-50))
856c4762a1bSJed Brown
857c4762a1bSJed Brown        d_eq(13,4) = d_eq(13,4) + pt/an_t
858c4762a1bSJed Brown        d_eq(13,13) = d_eq(13,13)                                       &
859c4762a1bSJed Brown     &            -k_eq(7)*(pt**1.5)*(sqrt(an_r(3)+1.0d-50)/const3)
860c4762a1bSJed Brown
861c4762a1bSJed Brown        d_eq(14,1) = pt*an_r(15)*(-1.0)/const2                          &
862c4762a1bSJed Brown     &             -k_eq(8)*(pt**1.5)*sqrt(an_r(3)+1.0d-50)             &
863c4762a1bSJed Brown     &             *(an_r(9))*(-1.5/const5)
864c4762a1bSJed Brown
865c4762a1bSJed Brown        do jj = 2,26
866c4762a1bSJed Brown           d_eq(14,jj) = d_eq(14,1)
867c4762a1bSJed Brown        enddo
868c4762a1bSJed Brown
869c4762a1bSJed Brown        d_eq(14,3) = d_eq(14,3)                                         &
870c4762a1bSJed Brown     &            -k_eq(8)*(pt**1.5)*(an_r(9)/const3)                   &
871c4762a1bSJed Brown     &            *(0.5/sqrt(an_r(3)+1.0d-50))
872c4762a1bSJed Brown        d_eq(14,9) = d_eq(14,9)                                         &
873c4762a1bSJed Brown     &            -k_eq(8)*(pt**1.5)*(sqrt(an_r(3)+1.0d-50)/const3)
874c4762a1bSJed Brown        d_eq(14,15) = d_eq(14,15)+ pt/an_t
875c4762a1bSJed Brown
876c4762a1bSJed Brown        d_eq(15,1) = pt*an_r(16)*(-1.0)/const2                          &
877c4762a1bSJed Brown     &             -k_eq(9)*(pt**1.5)*sqrt(an_r(14)+1.0d-50)            &
878c4762a1bSJed Brown     &             *(an_r(3))*(-1.5/const5)
879c4762a1bSJed Brown
880c4762a1bSJed Brown        do jj = 2,26
881c4762a1bSJed Brown           d_eq(15,jj) = d_eq(15,1)
882c4762a1bSJed Brown        enddo
883c4762a1bSJed Brown
884c4762a1bSJed Brown        d_eq(15,3) = d_eq(15,3)                                         &
885c4762a1bSJed Brown     &            -k_eq(9)*(pt**1.5)*(sqrt(an_r(14)+1.0d-50)/const3)
886c4762a1bSJed Brown        d_eq(15,14) = d_eq(15,14)                                       &
887c4762a1bSJed Brown     &            -k_eq(9)*(pt**1.5)*(an_r(3)/const3)                   &
888c4762a1bSJed Brown     &            *(0.5/sqrt(an_r(14)+1.0d-50))
889c4762a1bSJed Brown        d_eq(15,16) = d_eq(15,16) + pt/an_t
890c4762a1bSJed Brown
891c4762a1bSJed Brown        d_eq(16,1) = pt*an_r(12)*(-1.0)/const2                          &
892c4762a1bSJed Brown     &             -k_eq(10)*(pt**1.5)*sqrt(an_r(3)+1.0d-50)            &
893c4762a1bSJed Brown     &             *(an_r(6))*(-1.5/const5)
894c4762a1bSJed Brown
895c4762a1bSJed Brown        do jj = 2,26
896c4762a1bSJed Brown           d_eq(16,jj) = d_eq(16,1)
897c4762a1bSJed Brown        enddo
898c4762a1bSJed Brown
899c4762a1bSJed Brown        d_eq(16,3) = d_eq(16,3)                                         &
900c4762a1bSJed Brown     &             -k_eq(10)*(pt**1.5)*(an_r(6)/const3)                 &
901c4762a1bSJed Brown     &             *(0.5/sqrt(an_r(3)+1.0d-50))
902c4762a1bSJed Brown
903c4762a1bSJed Brown        d_eq(16,6) = d_eq(16,6)                                         &
904c4762a1bSJed Brown     &             -k_eq(10)*(pt**1.5)*(sqrt(an_r(3)+1.0d-50)/const3)
905c4762a1bSJed Brown        d_eq(16,12) = d_eq(16,12) + pt/an_t
906c4762a1bSJed Brown
907c4762a1bSJed Brown        const_cube =  an_t*an_t*an_t
908c4762a1bSJed Brown        const_four =  const2*const2
909c4762a1bSJed Brown
910c4762a1bSJed Brown        d_eq(17,1) = an_r(14)*an_r(18)*an_r(18)*(pt**3)*(-3/const_four) &
911c4762a1bSJed Brown     &             - k_eq(15) * an_r(17)*pt * (-1/const2)
912c4762a1bSJed Brown        do jj = 2,26
913c4762a1bSJed Brown           d_eq(17,jj) = d_eq(17,1)
914c4762a1bSJed Brown        enddo
915c4762a1bSJed Brown        d_eq(17,14) = d_eq(17,14) + an_r(18)*an_r(18)*(pt**3)/const_cube
916c4762a1bSJed Brown        d_eq(17,17) = d_eq(17,17) - k_eq(15)*pt/an_t
917c4762a1bSJed Brown        d_eq(17,18) = d_eq(17,18) + 2*an_r(18)*an_r(14)                 &
918c4762a1bSJed Brown     &                            *(pt**3)/const_cube
919c4762a1bSJed Brown
920c4762a1bSJed Brown        d_eq(18,1) = an_r(13)*an_r(13)*(pt**2)*(-2/const_cube)          &
921c4762a1bSJed Brown     &             - k_eq(16) * an_r(3)*an_r(18)*an_r(18)               &
922c4762a1bSJed Brown     &              * (pt*pt*pt) * (-3/const_four)
923c4762a1bSJed Brown        do jj = 2,26
924c4762a1bSJed Brown           d_eq(18,jj) = d_eq(18,1)
925c4762a1bSJed Brown        enddo
926c4762a1bSJed Brown        d_eq(18,3) = d_eq(18,3)                                         &
927c4762a1bSJed Brown     &             - k_eq(16) *an_r(18)* an_r(18)*pt*pt*pt /const_cube
928c4762a1bSJed Brown        d_eq(18,13) = d_eq(18,13)                                       &
929c4762a1bSJed Brown     &              + 2* an_r(13)*pt*pt /const2
930c4762a1bSJed Brown        d_eq(18,18) = d_eq(18,18) -k_eq(16)*an_r(3)                     &
931c4762a1bSJed Brown     &              * 2*an_r(18)*pt*pt*pt/const_cube
932c4762a1bSJed Brown
933c4762a1bSJed Brown!====for eq 19
934c4762a1bSJed Brown
935c4762a1bSJed Brown        d_eq(19,1) = an_r(3)*an_r(19)*(pt**2)*(-2/const_cube)           &
936c4762a1bSJed Brown     &             - k_eq(17)*an_r(13)*an_r(10)*pt*pt * (-2/const_cube)
937c4762a1bSJed Brown        do jj = 2,26
938c4762a1bSJed Brown           d_eq(19,jj) = d_eq(19,1)
939c4762a1bSJed Brown        enddo
940c4762a1bSJed Brown        d_eq(19,13) = d_eq(19,13)                                       &
941c4762a1bSJed Brown     &             - k_eq(17) *an_r(10)*pt*pt /const2
942c4762a1bSJed Brown        d_eq(19,10) = d_eq(19,10)                                       &
943c4762a1bSJed Brown     &             - k_eq(17) *an_r(13)*pt*pt /const2
944c4762a1bSJed Brown        d_eq(19,3) = d_eq(19,3) + an_r(19)*pt*pt/const2
945c4762a1bSJed Brown        d_eq(19,19) = d_eq(19,19) + an_r(3)*pt*pt/const2
946c4762a1bSJed Brown!====for eq 20
947c4762a1bSJed Brown
948c4762a1bSJed Brown        d_eq(20,1) = an_r(21)*an_r(20)*(pt**2)*(-2/const_cube)          &
949c4762a1bSJed Brown     &             - k_eq(18) * an_r(19)*an_r(8)*pt*pt * (-2/const_cube)
950c4762a1bSJed Brown        do jj = 2,26
951c4762a1bSJed Brown           d_eq(20,jj) = d_eq(20,1)
952c4762a1bSJed Brown        enddo
953c4762a1bSJed Brown        d_eq(20,8) = d_eq(20,8)                                         &
954c4762a1bSJed Brown     &             - k_eq(18) *an_r(19)*pt*pt /const2
955c4762a1bSJed Brown        d_eq(20,19) = d_eq(20,19)                                       &
956c4762a1bSJed Brown     &             - k_eq(18) *an_r(8)*pt*pt /const2
957c4762a1bSJed Brown        d_eq(20,20) = d_eq(20,20) + an_r(21)*pt*pt/const2
958c4762a1bSJed Brown        d_eq(20,21) = d_eq(20,21) + an_r(20)*pt*pt/const2
959c4762a1bSJed Brown
960c4762a1bSJed Brown!========
961c4762a1bSJed Brown!====for eq 21
962c4762a1bSJed Brown
963c4762a1bSJed Brown        d_eq(21,1) = an_r(21)*an_r(23)*(pt**2)*(-2/const_cube)          &
964c4762a1bSJed Brown     &             - k_eq(19)*an_r(7)*an_r(8)*pt*pt * (-2/const_cube)
965c4762a1bSJed Brown        do jj = 2,26
966c4762a1bSJed Brown           d_eq(21,jj) = d_eq(21,1)
967c4762a1bSJed Brown        enddo
968c4762a1bSJed Brown        d_eq(21,7) = d_eq(21,7)                                         &
969c4762a1bSJed Brown     &             - k_eq(19) *an_r(8)*pt*pt /const2
970c4762a1bSJed Brown        d_eq(21,8) = d_eq(21,8)                                         &
971c4762a1bSJed Brown     &             - k_eq(19) *an_r(7)*pt*pt /const2
972c4762a1bSJed Brown        d_eq(21,21) = d_eq(21,21) + an_r(23)*pt*pt/const2
973c4762a1bSJed Brown        d_eq(21,23) = d_eq(21,23) + an_r(21)*pt*pt/const2
974c4762a1bSJed Brown
975c4762a1bSJed Brown!========
976c4762a1bSJed Brown!  for 22
977c4762a1bSJed Brown        d_eq(22,1) = an_r(5)*an_r(11)*(pt**2)*(-2/const_cube)           &
978c4762a1bSJed Brown     &         -k_eq(20)*an_r(21)*an_r(22)*pt*pt * (-2/const_cube)
979c4762a1bSJed Brown        do jj = 2,26
980c4762a1bSJed Brown           d_eq(22,jj) = d_eq(22,1)
981c4762a1bSJed Brown        enddo
982c4762a1bSJed Brown        d_eq(22,21) = d_eq(22,21)                                       &
983c4762a1bSJed Brown     &             - k_eq(20) *an_r(22)*pt*pt /const2
984c4762a1bSJed Brown        d_eq(22,22) = d_eq(22,22)                                       &
985c4762a1bSJed Brown     &             - k_eq(20) *an_r(21)*pt*pt /const2
986c4762a1bSJed Brown        d_eq(22,11) = d_eq(22,11) + an_r(5)*pt*pt/(const2)
987c4762a1bSJed Brown        d_eq(22,5) = d_eq(22,5) + an_r(11)*pt*pt/(const2)
988c4762a1bSJed Brown
989c4762a1bSJed Brown!========
990c4762a1bSJed Brown!  for 23
991c4762a1bSJed Brown
992c4762a1bSJed Brown        d_eq(23,1) = an_r(24)*(pt)*(-1/const2)                          &
993c4762a1bSJed Brown     &             - k_eq(21)*an_r(21)*an_r(3)*pt*pt * (-2/const_cube)
994c4762a1bSJed Brown        do jj = 2,26
995c4762a1bSJed Brown           d_eq(23,jj) = d_eq(23,1)
996c4762a1bSJed Brown        enddo
997c4762a1bSJed Brown        d_eq(23,3) = d_eq(23,3)                                         &
998c4762a1bSJed Brown     &             - k_eq(21) *an_r(21)*pt*pt /const2
999c4762a1bSJed Brown        d_eq(23,21) = d_eq(23,21)                                       &
1000c4762a1bSJed Brown     &             - k_eq(21) *an_r(3)*pt*pt /const2
1001c4762a1bSJed Brown        d_eq(23,24) = d_eq(23,24) + pt/(an_t)
1002c4762a1bSJed Brown
1003c4762a1bSJed Brown!========
1004c4762a1bSJed Brown!  for 24
1005c4762a1bSJed Brown        d_eq(24,1) = an_r(3)*an_r(25)*(pt**2)*(-2/const_cube)           &
1006c4762a1bSJed Brown     &             - k_eq(22)*an_r(24)*an_r(8)*pt*pt * (-2/const_cube)
1007c4762a1bSJed Brown        do jj = 2,26
1008c4762a1bSJed Brown           d_eq(24,jj) = d_eq(24,1)
1009c4762a1bSJed Brown        enddo
1010c4762a1bSJed Brown        d_eq(24,8) = d_eq(24,8)                                         &
1011c4762a1bSJed Brown     &             - k_eq(22) *an_r(24)*pt*pt /const2
1012c4762a1bSJed Brown        d_eq(24,24) = d_eq(24,24)                                       &
1013c4762a1bSJed Brown     &             - k_eq(22) *an_r(8)*pt*pt /const2
1014c4762a1bSJed Brown        d_eq(24,3) = d_eq(24,3) + an_r(25)*pt*pt/const2
1015c4762a1bSJed Brown        d_eq(24,25) = d_eq(24,25) + an_r(3)*pt*pt/const2
1016c4762a1bSJed Brown
1017c4762a1bSJed Brown!========
1018c4762a1bSJed Brown!for 25
1019c4762a1bSJed Brown
1020c4762a1bSJed Brown        d_eq(25,1) = an_r(26)*(pt)*(-1/const2)                          &
1021c4762a1bSJed Brown     &       - k_eq(23)*an_r(21)*an_r(10)*pt*pt * (-2/const_cube)
1022c4762a1bSJed Brown        do jj = 2,26
1023c4762a1bSJed Brown           d_eq(25,jj) = d_eq(25,1)
1024c4762a1bSJed Brown        enddo
1025c4762a1bSJed Brown        d_eq(25,10) = d_eq(25,10)                                       &
1026c4762a1bSJed Brown     &             - k_eq(23) *an_r(21)*pt*pt /const2
1027c4762a1bSJed Brown        d_eq(25,21) = d_eq(25,21)                                       &
1028c4762a1bSJed Brown     &             - k_eq(23) *an_r(10)*pt*pt /const2
1029c4762a1bSJed Brown        d_eq(25,26) = d_eq(25,26) + pt/(an_t)
1030c4762a1bSJed Brown
1031c4762a1bSJed Brown!============
1032c4762a1bSJed Brown!  for 26
1033c4762a1bSJed Brown        d_eq(26,20) = -1
1034c4762a1bSJed Brown        d_eq(26,22) = -1
1035c4762a1bSJed Brown        d_eq(26,23) = -1
1036c4762a1bSJed Brown        d_eq(26,21) = 1
1037c4762a1bSJed Brown        d_eq(26,24) = 1
1038c4762a1bSJed Brown        d_eq(26,25) = 1
1039c4762a1bSJed Brown        d_eq(26,26) = 1
1040c4762a1bSJed Brown
1041c4762a1bSJed Brown           do j = 1,26
1042c4762a1bSJed Brown         do i = 1,26
1043c4762a1bSJed Brown                write(44,*)i,j,d_eq(i,j)
1044c4762a1bSJed Brown              enddo
1045c4762a1bSJed Brown           enddo
1046c4762a1bSJed Brown
1047c4762a1bSJed Brown        return
1048c4762a1bSJed Brown        end
1049c4762a1bSJed Brown
1050c4762a1bSJed Brown      subroutine ShashiPostCheck(ls,X,Y,W,c_Y,c_W,dummy)
1051c4762a1bSJed Brown#include <petsc/finclude/petscsnes.h>
1052c4762a1bSJed Brown      use petscsnes
1053c4762a1bSJed Brown      implicit none
1054c4762a1bSJed Brown      SNESLineSearch ls
1055c4762a1bSJed Brown      PetscErrorCode ierr
1056c4762a1bSJed Brown      Vec X,Y,W
1057c4762a1bSJed Brown      PetscObject dummy
1058c4762a1bSJed Brown      PetscBool c_Y,c_W
1059c4762a1bSJed Brown      PetscScalar,pointer :: xx(:)
1060c4762a1bSJed Brown      PetscInt i
1061d8606c27SBarry Smith      PetscCall(VecGetArrayF90(W,xx,ierr))
1062c4762a1bSJed Brown      do i=1,26
1063c4762a1bSJed Brown         if (xx(i) < 0.0) then
1064c4762a1bSJed Brown            xx(i) = 0.0
1065c4762a1bSJed Brown            c_W = PETSC_TRUE
1066c4762a1bSJed Brown         endif
1067c4762a1bSJed Brown        if (xx(i) > 3.0) then
1068c4762a1bSJed Brown           xx(i) = 3.0
1069c4762a1bSJed Brown        endif
1070c4762a1bSJed Brown      enddo
1071d8606c27SBarry Smith      PetscCall(VecRestoreArrayF90(W,xx,ierr))
1072c4762a1bSJed Brown      return
1073c4762a1bSJed Brown      end
1074