Neko 0.9.99
A portable framework for high-order spectral element flow simulations
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prs_stress_res_kernel.h
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34
35#ifndef __FLUID_PRS_STRESS_RES_KERNEL__
36#define __FLUID_PRS_STRESS_RES_KERNEL__
37
38template< typename T >
39__global__ void prs_stress_res_part1_kernel(T * __restrict__ ta1,
40 T * __restrict__ ta2,
41 T * __restrict__ ta3,
42 T * __restrict__ wa1,
43 T * __restrict__ wa2,
44 T * __restrict__ wa3,
45 const T * __restrict__ s11,
46 const T * __restrict__ s22,
47 const T * __restrict__ s33,
48 const T * __restrict__ s12,
49 const T * __restrict__ s13,
50 const T * __restrict__ s23,
51 const T * __restrict__ f_u,
52 const T * __restrict__ f_v,
53 const T * __restrict__ f_w,
54 const T * __restrict__ B,
55 const T * __restrict__ rho,
56 const int n) {
57
58 const int idx = blockIdx.x * blockDim.x + threadIdx.x;
59 const int str = blockDim.x * gridDim.x;
60
61 for (int i = idx; i < n; i += str) {
62 wa1[i] -= 2.0 * (ta1[i] * s11[i]
63 + ta2[i] * s12[i]
64 + ta3[i] * s13[i]);
65 wa2[i] -= 2.0 * (ta1[i] * s12[i]
66 + ta2[i] * s22[i]
67 + ta3[i] * s23[i]);
68 wa3[i] -= 2.0 * (ta1[i] * s13[i]
69 + ta2[i] * s23[i]
70 + ta3[i] * s33[i]);
71
72 ta1[i] = (f_u[i] / rho[i]) - ((wa1[i] / rho[i]) * B[i]);
73 ta2[i] = (f_v[i] / rho[i]) - ((wa2[i] / rho[i]) * B[i]);
74 ta3[i] = (f_w[i] / rho[i]) - ((wa3[i] / rho[i]) * B[i]);
75 }
76
77}
78
79template< typename T >
80__global__ void prs_stress_res_part3_kernel(T * __restrict__ p_res,
81 const T * __restrict__ ta1,
82 const T * __restrict__ ta2,
83 const T * __restrict__ ta3,
84 const T * __restrict__ wa1,
85 const T * __restrict__ wa2,
86 const T * __restrict__ wa3,
87 const T dtbd,
88 const int n) {
89
90 const int idx = blockIdx.x * blockDim.x + threadIdx.x;
91 const int str = blockDim.x * gridDim.x;
92
93 for (int i = idx; i < n; i += str) {
94 p_res[i] = p_res[i] - (dtbd * (ta1[i] + ta2[i] + ta3[i]))
95 - (wa1[i] + wa2[i] + wa3[i]);
96 }
97}
98
99#endif // __FLUID_PRS_STRESS_RES_KERNEL__
i
const int i
Definition ax_helm_full_kernel.h:95
dirichlet_apply_scalar_kernel
__global__ void dirichlet_apply_scalar_kernel(const int *__restrict__ msk, T *__restrict__ x, const T g, const int m)
Definition dirichlet_kernel.h:42
prs_stress_res_part1_kernel
__global__ void prs_stress_res_part1_kernel(T *__restrict__ ta1, T *__restrict__ ta2, T *__restrict__ ta3, T *__restrict__ wa1, T *__restrict__ wa2, T *__restrict__ wa3, const T *__restrict__ s11, const T *__restrict__ s22, const T *__restrict__ s33, const T *__restrict__ s12, const T *__restrict__ s13, const T *__restrict__ s23, const T *__restrict__ f_u, const T *__restrict__ f_v, const T *__restrict__ f_w, const T *__restrict__ B, const T *__restrict__ rho, const int n)
Definition prs_stress_res_kernel.h:39
prs_stress_res_part3_kernel
__global__ void prs_stress_res_part3_kernel(T *__restrict__ p_res, const T *__restrict__ ta1, const T *__restrict__ ta2, const T *__restrict__ ta3, const T *__restrict__ wa1, const T *__restrict__ wa2, const T *__restrict__ wa3, const T dtbd, const int n)
Definition prs_stress_res_kernel.h:80