xref: /libCEED/examples/fluids/qfunctions/turb_spanstats.h (revision 3a4208e6ce3b66d785191c280d69c76fbdf9a387)
1 // Copyright (c) 2017-2023, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED:  http://github.com/ceed
7 
8 #include <ceed.h>
9 
10 #include "newtonian_state.h"
11 #include "turb_stats_types.h"
12 #include "utils.h"
13 
14 CEED_QFUNCTION_HELPER int ChildStatsCollection(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out, StateFromQi_t StateFromQi,
15                                                StateFromQi_fwd_t StateFromQi_fwd) {
16   const CeedScalar(*q)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[0];
17   const CeedScalar(*q_data)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1];
18   const CeedScalar(*x)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[2];
19   CeedScalar(*v)[CEED_Q_VLA]            = (CeedScalar(*)[CEED_Q_VLA])out[0];
20 
21   NewtonianIdealGasContext context = (NewtonianIdealGasContext)ctx;
22 
23   CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
24     const CeedScalar wdetJ = q_data[0][i];
25 
26     const CeedScalar qi[5]  = {q[0][i], q[1][i], q[2][i], q[3][i], q[4][i]};
27     const CeedScalar x_i[3] = {x[0][i], x[1][i], x[2][i]};
28     const State      s      = StateFromQi(context, qi, x_i);
29 
30     v[TURB_MEAN_DENSITY][i]                    = wdetJ * s.U.density;
31     v[TURB_MEAN_PRESSURE][i]                   = wdetJ * s.Y.pressure;
32     v[TURB_MEAN_PRESSURE_SQUARED][i]           = wdetJ * Square(s.Y.pressure);
33     v[TURB_MEAN_PRESSURE_VELOCITY_X][i]        = wdetJ * s.Y.pressure * s.Y.velocity[0];
34     v[TURB_MEAN_PRESSURE_VELOCITY_Y][i]        = wdetJ * s.Y.pressure * s.Y.velocity[1];
35     v[TURB_MEAN_PRESSURE_VELOCITY_Z][i]        = wdetJ * s.Y.pressure * s.Y.velocity[2];
36     v[TURB_MEAN_DENSITY_TEMPERATURE][i]        = wdetJ * s.U.density * s.Y.temperature;
37     v[TURB_MEAN_DENSITY_TEMPERATURE_FLUX_X][i] = wdetJ * s.U.density * s.Y.temperature * s.Y.velocity[0];
38     v[TURB_MEAN_DENSITY_TEMPERATURE_FLUX_Y][i] = wdetJ * s.U.density * s.Y.temperature * s.Y.velocity[1];
39     v[TURB_MEAN_DENSITY_TEMPERATURE_FLUX_Z][i] = wdetJ * s.U.density * s.Y.temperature * s.Y.velocity[2];
40     v[TURB_MEAN_MOMENTUM_X][i]                 = wdetJ * s.U.momentum[0];
41     v[TURB_MEAN_MOMENTUM_Y][i]                 = wdetJ * s.U.momentum[1];
42     v[TURB_MEAN_MOMENTUM_Z][i]                 = wdetJ * s.U.momentum[2];
43     v[TURB_MEAN_MOMENTUMFLUX_XX][i]            = wdetJ * s.U.momentum[0] * s.Y.velocity[0];
44     v[TURB_MEAN_MOMENTUMFLUX_YY][i]            = wdetJ * s.U.momentum[1] * s.Y.velocity[1];
45     v[TURB_MEAN_MOMENTUMFLUX_ZZ][i]            = wdetJ * s.U.momentum[2] * s.Y.velocity[2];
46     v[TURB_MEAN_MOMENTUMFLUX_YZ][i]            = wdetJ * s.U.momentum[1] * s.Y.velocity[2];
47     v[TURB_MEAN_MOMENTUMFLUX_XZ][i]            = wdetJ * s.U.momentum[0] * s.Y.velocity[2];
48     v[TURB_MEAN_MOMENTUMFLUX_XY][i]            = wdetJ * s.U.momentum[0] * s.Y.velocity[1];
49     v[TURB_MEAN_VELOCITY_X][i]                 = wdetJ * s.Y.velocity[0];
50     v[TURB_MEAN_VELOCITY_Y][i]                 = wdetJ * s.Y.velocity[1];
51     v[TURB_MEAN_VELOCITY_Z][i]                 = wdetJ * s.Y.velocity[2];
52   }
53   return 0;
54 }
55 
56 CEED_QFUNCTION(ChildStatsCollection_Conserv)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
57   return ChildStatsCollection(ctx, Q, in, out, StateFromU, StateFromU_fwd);
58 }
59 
60 CEED_QFUNCTION(ChildStatsCollection_Prim)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
61   return ChildStatsCollection(ctx, Q, in, out, StateFromY, StateFromY_fwd);
62 }
63 
64 // QFunctions for testing
65 CEED_QFUNCTION_HELPER CeedScalar ChildStatsCollectionTest_Exact(const CeedScalar x_i[3]) { return x_i[0] + Square(x_i[1]); }
66 
67 CEED_QFUNCTION(ChildStatsCollectionMMSTest)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
68   const CeedScalar(*q_data)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1];
69   const CeedScalar(*x)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[2];
70   CeedScalar(*v)[CEED_Q_VLA]            = (CeedScalar(*)[CEED_Q_VLA])out[0];
71 
72   NewtonianIdealGasContext context = (NewtonianIdealGasContext)ctx;
73   const CeedScalar         t       = context->time;
74 
75   CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
76     const CeedScalar wdetJ  = q_data[0][i];
77     const CeedScalar x_i[3] = {x[0][i], x[1][i], x[2][i]};
78 
79     // set spanwise domain to [0,1] and integrate from t \in [0,1] to recover exact solution
80     v[0][i] = wdetJ * (ChildStatsCollectionTest_Exact(x_i) + t - 0.5) * 4 * Cube(x_i[2]);
81     for (int j = 1; j < 22; j++) v[j][i] = 0;
82   }
83   return 0;
84 }
85 
86 CEED_QFUNCTION(ChildStatsCollectionMMSTest_Error)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
87   const CeedScalar(*q)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[0];
88   const CeedScalar(*q_data)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1];
89   const CeedScalar(*x)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[2];
90   CeedScalar(*v)[CEED_Q_VLA]            = (CeedScalar(*)[CEED_Q_VLA])out[0];
91 
92   CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
93     const CeedScalar wdetJ  = q_data[0][i];
94     const CeedScalar x_i[3] = {x[0][i], x[1][i], x[2][i]};
95 
96     v[0][i] = wdetJ * Square(ChildStatsCollectionTest_Exact(x_i) - q[0][i]);
97   }
98   return 0;
99 }
100