diff options
Diffstat (limited to 'tangle/LLBM/kernel/collect_q_criterion.h')
| -rw-r--r-- | tangle/LLBM/kernel/collect_q_criterion.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/tangle/LLBM/kernel/collect_q_criterion.h b/tangle/LLBM/kernel/collect_q_criterion.h new file mode 100644 index 0000000..19b7f68 --- /dev/null +++ b/tangle/LLBM/kernel/collect_q_criterion.h @@ -0,0 +1,104 @@ +#pragma once +#include <LLBM/call_tag.h> + +struct CollectQCriterionF { + +using call_tag = tag::call_by_spatial_cell_mask; + +template <typename T, typename S> +__device__ static void apply( + descriptor::D3Q19 + , S f_curr[19] + , descriptor::CuboidD<3> cuboid + , std::size_t gid + , std::size_t iX + , std::size_t iY + , std::size_t iZ + , T* cell_rho + , T* cell_u + , T* cell_curl_norm + , cudaSurfaceObject_t surface + , T* cell_q = nullptr +) { + const T rho = cell_rho[gid]; + const T u_0 = cell_u[3*gid + 0]; + const T u_1 = cell_u[3*gid + 1]; + const T u_2 = cell_u[3*gid + 2]; + + T x0 = T{72.0000000000000}*f_curr[5]; + T x1 = T{72.0000000000000}*f_curr[13]; + T x2 = T{6.00000000000000}*u_1; + T x3 = -x2; + T x4 = -u_0; + T x5 = x4 + u_1; + T x6 = u_1*u_1; + T x7 = T{3.00000000000000}*x6; + T x8 = u_0*u_0; + T x9 = T{3.00000000000000}*x8; + T x10 = x9 + T{-2.00000000000000}; + T x11 = x10 + x7; + T x12 = u_2*u_2; + T x13 = T{3.00000000000000}*x12; + T x14 = T{6.00000000000000}*u_0; + T x15 = x13 + x14; + T x16 = rho*(x11 + x15 + x3 - T{9.00000000000000}*x5*x5); + T x17 = -x14; + T x18 = -u_1; + T x19 = x18 + u_0; + T x20 = x13 + x2; + T x21 = x11 + x20; + T x22 = rho*(x17 + x21 - T{9.00000000000000}*x19*x19); + T x23 = u_0 + u_1; + T x24 = T{9.00000000000000}*(x23*x23); + T x25 = -x7; + T x26 = T{2.00000000000000} - x9; + T x27 = x25 + x26; + T x28 = -x13; + T x29 = x2 + x28; + T x30 = -rho*(x14 + x21 - x24) + rho*(x14 + x24 + x27 + x29) - T{72.0000000000000}*f_curr[11] - T{72.0000000000000}*f_curr[7]; + T x31 = T{72.0000000000000}*f_curr[1]; + T x32 = T{72.0000000000000}*f_curr[17]; + T x33 = x4 + u_2; + T x34 = T{6.00000000000000}*u_2; + T x35 = x11 - x34; + T x36 = rho*(x15 + x35 - T{9.00000000000000}*x33*x33); + T x37 = -u_2; + T x38 = x37 + u_0; + T x39 = x11 + x34; + T x40 = x13 + x39; + T x41 = rho*(x17 + x40 - T{9.00000000000000}*x38*x38); + T x42 = u_0 + u_2; + T x43 = T{9.00000000000000}*(x42*x42); + T x44 = x27 + x34; + T x45 = x14 + x28; + T x46 = -rho*(x15 + x39 - x43) + rho*(x43 + x44 + x45) - T{72.0000000000000}*f_curr[15] - T{72.0000000000000}*f_curr[3]; + T x47 = T{72.0000000000000}*f_curr[4]; + T x48 = T{72.0000000000000}*f_curr[14]; + T x49 = x18 + u_2; + T x50 = rho*(x20 + x35 - T{9.00000000000000}*x49*x49); + T x51 = x37 + u_1; + T x52 = rho*(x3 + x40 - T{9.00000000000000}*x51*x51); + T x53 = u_1 + u_2; + T x54 = T{9.00000000000000}*(x53*x53); + T x55 = -rho*(x20 + x39 - x54) + rho*(x29 + x44 + x54) - T{72.0000000000000}*f_curr[0] - T{72.0000000000000}*f_curr[18]; + T x56 = T{2.00000000000000}*rho; + T x57 = T{6.00000000000000}*x8; + T x58 = -x31 - x32 - x36 - x41 + x46; + T x59 = -x0 - x1 - x16 - x22 + x30; + T x60 = T{6.00000000000000}*x6; + T x61 = -x47 - x48 - x50 - x52 + x55; + T x62 = T{6.00000000000000}*x12; + T strain = T{0.0277777777777778}*sqrt((x0 + x1 + x16 + x22 + x30)*(x0 + x1 + x16 + x22 + x30) + (x31 + x32 + x36 + x41 + x46)*(x31 + x32 + x36 + x41 + x46) + (x47 + x48 + x50 + x52 + x55)*(x47 + x48 + x50 + x52 + x55) + T{0.500000000000000}*((-x56*(x39 - x62) + x56*(x44 + x62) + x58 + x61 - 72*f_curr[16] - 72*f_curr[2])*(-x56*(x39 - x62) + x56*(x44 + x62) + x58 + x61 - 72*f_curr[16] - 72*f_curr[2])) + T{0.500000000000000}*((-x56*(x10 + x20 - x60) + x56*(x26 + x29 + x60) + x59 + x61 - 72*f_curr[12] - 72*f_curr[6])*(-x56*(x10 + x20 - x60) + x56*(x26 + x29 + x60) + x59 + x61 - 72*f_curr[12] - 72*f_curr[6])) + T{0.500000000000000}*((-x56*(x15 - x57 + x7 - 2) + x56*(x25 + x45 + x57 + 2) + x58 + x59 - 72*f_curr[10] - 72*f_curr[8])*(-x56*(x15 - x57 + x7 - 2) + x56*(x25 + x45 + x57 + 2) + x58 + x59 - 72*f_curr[10] - 72*f_curr[8]))); + + float vorticity = cell_curl_norm[gid]; + float q = vorticity*vorticity - strain*strain; + q = q > 0 ? q : 0; + + surf3Dwrite(q, surface, iX*sizeof(float), iY, iZ); + + if (cell_q != nullptr) { + cell_q[gid] = q; + } +} + +}; |