xref: /honee/qfunctions/monitor_totalkineticenergy.h (revision f9d6418b99fd3d2fc79dde50dcae2fd7d4c339b6)
1 // SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors.
2 // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause
3 
4 #include <ceed/types.h>
5 #include "newtonian_state.h"
6 
7 CEED_QFUNCTION_HELPER int MonitorTotalKineticEnergy(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out,
8                                                     StateVariable state_var) {
9   const NewtonianIdealGasContext gas = (const NewtonianIdealGasContext)ctx;
10   const CeedScalar(*q)[CEED_Q_VLA]   = (const CeedScalar(*)[CEED_Q_VLA])in[0];
11   const CeedScalar(*Grad_q)          = in[1];
12   const CeedScalar(*q_data)          = in[2];
13   CeedScalar(*v)[CEED_Q_VLA]         = (CeedScalar(*)[CEED_Q_VLA])out[0];
14 
15   CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
16     const CeedScalar qi[5] = {q[0][i], q[1][i], q[2][i], q[3][i], q[4][i]};
17     const State      s     = StateFromQ(gas, qi, state_var);
18     CeedScalar       wdetJ, dXdx[3][3], vorticity[3], kmstrain_rate[6], strain_rate[3][3];
19     State            grad_s[3];
20 
21     QdataUnpack_3D(Q, i, q_data, &wdetJ, dXdx);
22     StatePhysicalGradientFromReference(Q, i, gas, s, state_var, Grad_q, dXdx, grad_s);
23 
24     v[0][i] = wdetJ * 0.5 * s.U.density * Dot3(s.Y.velocity, s.Y.velocity);
25     KMStrainRate_State(grad_s, kmstrain_rate);
26     {  // See Kundu eq. 4.60
27       CeedScalar div_u = kmstrain_rate[0] + kmstrain_rate[1] + kmstrain_rate[2];
28       KMUnpack(kmstrain_rate, strain_rate);
29       v[1][i] = wdetJ * -2 * gas->mu * DotN((CeedScalar *)strain_rate, (CeedScalar *)strain_rate, 9);
30       v[2][i] = wdetJ * -gas->lambda * gas->mu * Square(div_u);
31       v[3][i] = wdetJ * s.Y.pressure * div_u;
32     }
33     Vorticity(grad_s, vorticity);
34     v[4][i] = wdetJ * gas->mu * Dot3(vorticity, vorticity);
35   }
36   return 0;
37 }
38 
39 CEED_QFUNCTION(MonitorTotalKineticEnergy_Conserv)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
40   return MonitorTotalKineticEnergy(ctx, Q, in, out, STATEVAR_CONSERVATIVE);
41 }
42 
43 CEED_QFUNCTION(MonitorTotalKineticEnergy_Prim)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
44   return MonitorTotalKineticEnergy(ctx, Q, in, out, STATEVAR_PRIMITIVE);
45 }
46 
47 CEED_QFUNCTION(MonitorTotalKineticEnergy_Entropy)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
48   return MonitorTotalKineticEnergy(ctx, Q, in, out, STATEVAR_ENTROPY);
49 }
50