diff options
Diffstat (limited to 'tangle/magnus.cu')
| -rw-r--r-- | tangle/magnus.cu | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/tangle/magnus.cu b/tangle/magnus.cu index aa31ba1..5800cd8 100644 --- a/tangle/magnus.cu +++ b/tangle/magnus.cu @@ -18,7 +18,7 @@ cudaSetDevice(0); const descriptor::Cuboid<DESCRIPTOR> cuboid(1200, 500); Lattice<DESCRIPTOR,T> lattice(cuboid); -const float tau = 0.54; +const float tau = 0.52; const float u_inflow = 0.02; const float u_rotate = 0.08; @@ -74,14 +74,11 @@ cudaDeviceSynchronize(); RenderWindow window("Magnus"); cudaSurfaceObject_t colormap; ColorPalette palette(colormap); -auto slice = [cuboid] __device__ (int iX, int iY) -> std::size_t { - return descriptor::gid(cuboid,iX,cuboid.nY-1-iY); - }; DeviceBuffer<T> moments_rho(cuboid.volume); DeviceBuffer<T> moments_u(2*cuboid.volume); T* u = moments_u.device(); -std::size_t iStep = 0; +std::size_t iStep = 0; while (window.isOpen()) { lattice.apply(Operator(BgkCollideO(), bulk_mask, tau), Operator(BounceBackFreeSlipO(), wall_mask, WallNormal<0,1>()), @@ -90,14 +87,16 @@ while (window.isOpen()) { Operator(BounceBackO(), edge_mask)); lattice.apply<BouzidiO>(bouzidi.getCount(), bouzidi.getConfig()); lattice.stream(); - if (iStep % 100 == 0) { + if (iStep % 200 == 0) { cudaDeviceSynchronize(); lattice.inspect<CollectMomentsF>(bulk_mask, moments_rho.device(), moments_u.device()); renderSliceViewToTexture<<< dim3(cuboid.nX / 32 + 1, cuboid.nY / 32 + 1), dim3(32,32) >>>(cuboid.nX, cuboid.nY, - slice, + [cuboid] __device__ (int iX, int iY) -> std::size_t { + return descriptor::gid(cuboid,iX,cuboid.nY-1-iY); + }, [u,u_rotate] __device__ (std::size_t gid) -> float { return length(make_float2(u[2*gid+0], u[2*gid+1])) / u_rotate; }, |