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tmodulate fluid pressure at top wall - sphere - GPU-based 3D discrete element m… |
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git clone git://src.adamsgaard.dk/sphere |
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--- |
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commit 5fbc9d4c2cdfed9c7c9a308b784075808714f25f |
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parent 51a9c589ead9a483532e430e76eae58cd49300e8 |
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Author: Anders Damsgaard <[email protected]> |
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Date: Wed, 14 Jan 2015 15:06:58 +0100 |
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modulate fluid pressure at top wall |
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Diffstat: |
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M src/darcy.cuh | 8 +++++--- |
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M src/device.cu | 3 ++- |
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2 files changed, 7 insertions(+), 4 deletions(-) |
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--- |
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diff --git a/src/darcy.cuh b/src/darcy.cuh |
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t@@ -654,17 +654,19 @@ __global__ void findDarcyPressureForce( |
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// Set the pressure at the top boundary to new_pressure |
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__global__ void setDarcyTopPressure( |
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- const Float new_pressure, Float* __restrict__ dev_darcy_p) |
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+ const Float new_pressure, |
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+ Float* __restrict__ dev_darcy_p, |
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+ const unsigned int wall0_iz) |
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{ |
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// 3D thread index |
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const unsigned int x = blockDim.x * blockIdx.x + threadIdx.x; |
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const unsigned int y = blockDim.y * blockIdx.y + threadIdx.y; |
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const unsigned int z = blockDim.z * blockIdx.z + threadIdx.z; |
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- // check that the thread is located at the top boundary |
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+ // check that the thread is located at the top boundary or at the top wall |
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if (x < devC_grid.num[0] && |
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y < devC_grid.num[1] && |
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- z == devC_grid.num[2]-1) { |
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+ z == devC_grid.num[2]-1 || z == wall0_iz) { |
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const unsigned int cellidx = idx(x,y,z); |
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diff --git a/src/device.cu b/src/device.cu |
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t@@ -1878,7 +1878,8 @@ __host__ void DEM::startTime() |
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startTimer(&kernel_tic); |
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setDarcyTopPressure<<<dimGridFluid, dimBlockFluid>>>( |
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new_pressure, |
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- dev_darcy_p); |
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+ dev_darcy_p, |
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+ wall0_iz); |
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if (PROFILING == 1) |
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stopTimer(&kernel_tic, &kernel_toc, &kernel_elapse… |
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&t_setDarcyTopPressure); |
