xref: /honee/qfunctions/spanstats/turbulence.h (revision c9f376050d3861e44a3522dda28dab81f9a3076c)
1 // SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors.
2 // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause
3 #include <ceed/types.h>
4 
5 #include "../newtonian_state.h"
6 #include "../utils.h"
7 
8 enum TurbComponent {
9   TURB_MEAN_DENSITY,
10   TURB_MEAN_PRESSURE,
11   TURB_MEAN_PRESSURE_SQUARED,
12   TURB_MEAN_PRESSURE_VELOCITY_X,
13   TURB_MEAN_PRESSURE_VELOCITY_Y,
14   TURB_MEAN_PRESSURE_VELOCITY_Z,
15   TURB_MEAN_DENSITY_TEMPERATURE,
16   TURB_MEAN_DENSITY_TEMPERATURE_FLUX_X,
17   TURB_MEAN_DENSITY_TEMPERATURE_FLUX_Y,
18   TURB_MEAN_DENSITY_TEMPERATURE_FLUX_Z,
19   TURB_MEAN_MOMENTUM_X,
20   TURB_MEAN_MOMENTUM_Y,
21   TURB_MEAN_MOMENTUM_Z,
22   TURB_MEAN_MOMENTUMFLUX_XX,
23   TURB_MEAN_MOMENTUMFLUX_YY,
24   TURB_MEAN_MOMENTUMFLUX_ZZ,
25   TURB_MEAN_MOMENTUMFLUX_YZ,
26   TURB_MEAN_MOMENTUMFLUX_XZ,
27   TURB_MEAN_MOMENTUMFLUX_XY,
28   TURB_MEAN_VELOCITY_X,
29   TURB_MEAN_VELOCITY_Y,
30   TURB_MEAN_VELOCITY_Z,
31   TURB_NUM_COMPONENTS,
32 };
33 
34 typedef struct Turbulence_SpanStatsContext_ *Turbulence_SpanStatsContext;
35 struct Turbulence_SpanStatsContext_ {
36   CeedScalar                       solution_time;
37   CeedScalar                       previous_time;
38   struct NewtonianIdealGasContext_ gas;
39 };
40 
41 CEED_QFUNCTION_HELPER int ChildStatsCollection(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out, StateVariable state_var) {
42   const CeedScalar(*q)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[0];
43   const CeedScalar(*q_data)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1];
44   CeedScalar(*v)[CEED_Q_VLA]            = (CeedScalar(*)[CEED_Q_VLA])out[0];
45 
46   Turbulence_SpanStatsContext context = (Turbulence_SpanStatsContext)ctx;
47   NewtonianIdealGasContext    gas     = &context->gas;
48   CeedScalar                  delta_t = context->solution_time - context->previous_time;
49 
50   CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
51     const CeedScalar wdetJ = q_data[0][i] * delta_t;
52 
53     const CeedScalar qi[5] = {q[0][i], q[1][i], q[2][i], q[3][i], q[4][i]};
54     const State      s     = StateFromQ(gas, qi, state_var);
55 
56     v[TURB_MEAN_DENSITY][i]                    = wdetJ * s.U.density;
57     v[TURB_MEAN_PRESSURE][i]                   = wdetJ * s.Y.pressure;
58     v[TURB_MEAN_PRESSURE_SQUARED][i]           = wdetJ * Square(s.Y.pressure);
59     v[TURB_MEAN_PRESSURE_VELOCITY_X][i]        = wdetJ * s.Y.pressure * s.Y.velocity[0];
60     v[TURB_MEAN_PRESSURE_VELOCITY_Y][i]        = wdetJ * s.Y.pressure * s.Y.velocity[1];
61     v[TURB_MEAN_PRESSURE_VELOCITY_Z][i]        = wdetJ * s.Y.pressure * s.Y.velocity[2];
62     v[TURB_MEAN_DENSITY_TEMPERATURE][i]        = wdetJ * s.U.density * s.Y.temperature;
63     v[TURB_MEAN_DENSITY_TEMPERATURE_FLUX_X][i] = wdetJ * s.U.density * s.Y.temperature * s.Y.velocity[0];
64     v[TURB_MEAN_DENSITY_TEMPERATURE_FLUX_Y][i] = wdetJ * s.U.density * s.Y.temperature * s.Y.velocity[1];
65     v[TURB_MEAN_DENSITY_TEMPERATURE_FLUX_Z][i] = wdetJ * s.U.density * s.Y.temperature * s.Y.velocity[2];
66     v[TURB_MEAN_MOMENTUM_X][i]                 = wdetJ * s.U.momentum[0];
67     v[TURB_MEAN_MOMENTUM_Y][i]                 = wdetJ * s.U.momentum[1];
68     v[TURB_MEAN_MOMENTUM_Z][i]                 = wdetJ * s.U.momentum[2];
69     v[TURB_MEAN_MOMENTUMFLUX_XX][i]            = wdetJ * s.U.momentum[0] * s.Y.velocity[0];
70     v[TURB_MEAN_MOMENTUMFLUX_YY][i]            = wdetJ * s.U.momentum[1] * s.Y.velocity[1];
71     v[TURB_MEAN_MOMENTUMFLUX_ZZ][i]            = wdetJ * s.U.momentum[2] * s.Y.velocity[2];
72     v[TURB_MEAN_MOMENTUMFLUX_YZ][i]            = wdetJ * s.U.momentum[1] * s.Y.velocity[2];
73     v[TURB_MEAN_MOMENTUMFLUX_XZ][i]            = wdetJ * s.U.momentum[0] * s.Y.velocity[2];
74     v[TURB_MEAN_MOMENTUMFLUX_XY][i]            = wdetJ * s.U.momentum[0] * s.Y.velocity[1];
75     v[TURB_MEAN_VELOCITY_X][i]                 = wdetJ * s.Y.velocity[0];
76     v[TURB_MEAN_VELOCITY_Y][i]                 = wdetJ * s.Y.velocity[1];
77     v[TURB_MEAN_VELOCITY_Z][i]                 = wdetJ * s.Y.velocity[2];
78   }
79   return 0;
80 }
81 
82 CEED_QFUNCTION(ChildStatsCollection_Conserv)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
83   return ChildStatsCollection(ctx, Q, in, out, STATEVAR_CONSERVATIVE);
84 }
85 
86 CEED_QFUNCTION(ChildStatsCollection_Prim)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
87   return ChildStatsCollection(ctx, Q, in, out, STATEVAR_PRIMITIVE);
88 }
89 
90 CEED_QFUNCTION(ChildStatsCollection_Entropy)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
91   return ChildStatsCollection(ctx, Q, in, out, STATEVAR_ENTROPY);
92 }
93 
94 // QFunctions for testing
95 CEED_QFUNCTION_HELPER CeedScalar ChildStatsCollectionTest_Exact(const CeedScalar x_i[3]) { return x_i[0] + Square(x_i[1]); }
96 
97 CEED_QFUNCTION(ChildStatsCollectionMMSTest)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
98   const CeedScalar(*q_data)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1];
99   const CeedScalar(*x)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[2];
100   CeedScalar(*v)[CEED_Q_VLA]            = (CeedScalar(*)[CEED_Q_VLA])out[0];
101 
102   NewtonianIdealGasContext context = (NewtonianIdealGasContext)ctx;
103   const CeedScalar         t       = context->time;
104 
105   CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
106     const CeedScalar wdetJ  = q_data[0][i];
107     const CeedScalar x_i[3] = {x[0][i], x[1][i], x[2][i]};
108 
109     // set spanwise domain to [0,1] and integrate from t \in [0,1] to recover exact solution
110     v[0][i] = wdetJ * (ChildStatsCollectionTest_Exact(x_i) + t - 0.5) * 4 * Cube(x_i[2]);
111     for (int j = 1; j < 22; j++) v[j][i] = 0;
112   }
113   return 0;
114 }
115 
116 CEED_QFUNCTION(ChildStatsCollectionMMSTest_Error)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
117   const CeedScalar(*q)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[0];
118   const CeedScalar(*q_data)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1];
119   const CeedScalar(*x)[CEED_Q_VLA]      = (const CeedScalar(*)[CEED_Q_VLA])in[2];
120   CeedScalar(*v)[CEED_Q_VLA]            = (CeedScalar(*)[CEED_Q_VLA])out[0];
121 
122   CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) {
123     const CeedScalar wdetJ  = q_data[0][i];
124     const CeedScalar x_i[3] = {x[0][i], x[1][i], x[2][i]};
125 
126     v[0][i] = wdetJ * Square(ChildStatsCollectionTest_Exact(x_i) - q[0][i]);
127   }
128   return 0;
129 }
130