Neko  0.8.99
A portable framework for high-order spectral element flow simulations
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 
38 template< 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 
79 template< 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
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