From 4ec94c97879aafef15f7663135745e4ba61e62cf Mon Sep 17 00:00:00 2001 From: Adrian Kummerlaender Date: Mon, 17 May 2021 00:15:33 +0200 Subject: Extract first public LiterateLB version --- tangle/LLBM/kernel/collect_shear_layer_normal.h | 139 ++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 tangle/LLBM/kernel/collect_shear_layer_normal.h (limited to 'tangle/LLBM/kernel/collect_shear_layer_normal.h') diff --git a/tangle/LLBM/kernel/collect_shear_layer_normal.h b/tangle/LLBM/kernel/collect_shear_layer_normal.h new file mode 100644 index 0000000..7bf6eff --- /dev/null +++ b/tangle/LLBM/kernel/collect_shear_layer_normal.h @@ -0,0 +1,139 @@ +#pragma once +#include + +struct CollectShearLayerNormalsF { + +using call_tag = tag::call_by_cell_id; + +template +__device__ static void apply( + descriptor::D3Q19 + , S f_curr[19] + , std::size_t gid + , T* cell_rho + , T* cell_u + , T* cell_shear_normal +) { + T x0 = f_curr[10] + f_curr[13] + f_curr[17]; + T x1 = f_curr[14] + f_curr[5] + f_curr[6]; + T x2 = f_curr[1] + f_curr[2] + f_curr[4]; + T x3 = x0 + x1 + x2 + f_curr[0] + f_curr[11] + f_curr[12] + f_curr[15] + f_curr[16] + f_curr[18] + f_curr[3] + f_curr[7] + f_curr[8] + f_curr[9]; + T x4 = -f_curr[11] + f_curr[7]; + T x5 = -f_curr[15] + f_curr[3]; + T x6 = T{1} / (x3); + T x7 = f_curr[0] - f_curr[18]; + T x14 = T{72.0000000000000}*f_curr[5]; + T x15 = T{72.0000000000000}*f_curr[13]; + T x39 = T{72.0000000000000}*f_curr[1]; + T x40 = T{72.0000000000000}*f_curr[17]; + T x61 = T{72.0000000000000}*f_curr[4]; + T x62 = T{72.0000000000000}*f_curr[14]; + T rho = x3; + T x56 = T{2.00000000000000}*rho; + T u_0 = x6*(x0 + x4 + x5 - f_curr[1] - f_curr[5] - f_curr[8]); + T x9 = u_0*u_0; + T x16 = -u_0; + T x18 = -T{3.00000000000000}*x9; + T x21 = T{6.00000000000000}*u_0; + T x22 = -x21; + T x55 = T{0.0277777777777778}*u_0; + T u_1 = x6*(x1 + x4 + x7 - f_curr[12] - f_curr[13] - f_curr[4]); + T x8 = T{0.0277777777777778}*u_1; + T x10 = u_1*u_1; + T x17 = x16 + u_1; + T x19 = T{6.00000000000000}*u_1; + T x20 = x18 + x19; + T x23 = -T{3.00000000000000}*x10; + T x28 = -u_1; + T x29 = x28 + u_0; + T x30 = x18 - x19; + T x33 = u_0 + u_1; + T x34 = T{9.00000000000000}*(x33*x33); + T u_2 = x6*(x2 + x5 + x7 - f_curr[14] - f_curr[16] - f_curr[17]); + T x11 = u_2*u_2; + T x12 = x10 + x11 + x9; + T x13 = pow(x12, T{-0.500000000000000}); + T x24 = T{2.00000000000000} - T{3.00000000000000}*x11; + T x25 = x23 + x24; + T x26 = x22 + x25; + T x27 = rho*(x20 + x26 + T{9.00000000000000}*(x17*x17)); + T x31 = x21 + x25; + T x32 = rho*(x30 + x31 + T{9.00000000000000}*(x29*x29)); + T x35 = rho*(x20 + x31 + x34) + rho*(x26 + x30 + x34) - T{72.0000000000000}*f_curr[11] - T{72.0000000000000}*f_curr[7]; + T x36 = x14 + x15 - x27 - x32 + x35; + T x37 = x13*x36; + T x38 = T{0.0277777777777778}*u_2; + T x41 = x16 + u_2; + T x42 = T{6.00000000000000}*u_2; + T x43 = x18 + x42; + T x44 = rho*(x26 + x43 + T{9.00000000000000}*(x41*x41)); + T x45 = -u_2; + T x46 = x45 + u_0; + T x47 = -x42; + T x48 = x18 + x47; + T x49 = rho*(x31 + x48 + T{9.00000000000000}*(x46*x46)); + T x50 = u_0 + u_2; + T x51 = T{9.00000000000000}*(x50*x50); + T x52 = rho*(x26 + x48 + x51) + rho*(x31 + x43 + x51) - T{72.0000000000000}*f_curr[15] - T{72.0000000000000}*f_curr[3]; + T x53 = x39 + x40 - x44 - x49 + x52; + T x54 = x13*x53; + T x57 = x25 + T{6.00000000000000}*x9; + T x58 = -x14 - x15 + x27 + x32 + x35; + T x59 = -x39 - x40 + x44 + x49 + x52; + T x60 = x56*(x21 + x57) + x56*(x22 + x57) + x58 + x59 - T{72.0000000000000}*f_curr[10] - T{72.0000000000000}*f_curr[8]; + T x63 = x28 + u_2; + T x64 = x25 + x30; + T x65 = rho*(x42 + x64 + T{9.00000000000000}*(x63*x63)); + T x66 = x45 + u_1; + T x67 = x20 + x25; + T x68 = rho*(x47 + x67 + T{9.00000000000000}*(x66*x66)); + T x69 = u_1 + u_2; + T x70 = T{9.00000000000000}*(x69*x69); + T x71 = rho*(x42 + x67 + x70) + rho*(x47 + x64 + x70) - T{72.0000000000000}*f_curr[0] - T{72.0000000000000}*f_curr[18]; + T x72 = x61 + x62 - x65 - x68 + x71; + T x73 = T{6.00000000000000}*x10 + x24; + T x74 = -x61 - x62 + x65 + x68 + x71; + T x75 = x56*(x20 + x73) + x56*(x30 + x73) + x58 + x74 - T{72.0000000000000}*f_curr[12] - T{72.0000000000000}*f_curr[6]; + T x76 = T{6.00000000000000}*x11 + x23 + T{2.00000000000000}; + T x77 = x56*(x43 + x76) + x56*(x48 + x76) + x59 + x74 - T{72.0000000000000}*f_curr[16] - T{72.0000000000000}*f_curr[2]; + T x78 = ((x36*u_0 + x72*u_2 + x75*u_1)*u_1 + (x36*u_1 + x53*u_2 + x60*u_0)*u_0 + (x53*u_0 + x72*u_1 + x77*u_2)*u_2)/x12; + T x79 = x13*x72; + T n_0 = -x13*x55*x60 - x37*x8 - x38*x54 + x55*x78; + T n_1 = -x13*x75*x8 - x37*x55 - x38*x79 + x78*x8; + T n_2 = -x13*x38*x77 + x38*x78 - x54*x55 - x79*x8; + + cell_rho[gid] = rho; + + cell_u[3*gid+0] = u_0; + cell_u[3*gid+1] = u_1; + cell_u[3*gid+2] = u_2; + + float3 n = normalize(make_float3(n_0, n_1, n_2)); + cell_shear_normal[3*gid+0] = n.x; + cell_shear_normal[3*gid+1] = n.y; + cell_shear_normal[3*gid+2] = n.z; +} + +}; + +struct CollectShearLayerVisibilityF { + +using call_tag = tag::post_process_by_spatial_cell_mask; + +template +__device__ static void apply( + descriptor::D3Q19 + , std::size_t gid + , std::size_t iX + , std::size_t iY + , std::size_t iZ + , T* shear_normal + , float3 view_direction + , cudaSurfaceObject_t surface +) { + float3 n = make_float3(shear_normal[3*gid+0], shear_normal[3*gid+1], shear_normal[3*gid+2]); + float visibility = dot(n, view_direction); + surf3Dwrite(visibility, surface, iX*sizeof(float), iY, iZ); +} + +}; -- cgit v1.2.3