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tadded function to modulate fluid pressure at top wall - sphere - GPU-based 3D … |
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git clone git://src.adamsgaard.dk/sphere |
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--- |
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commit cb441dfa99283279679f7f740e753522de2ad0d8 |
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parent 9d86f9e4d22489fe4f96d4ad9c70a9237e5422b9 |
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Author: Anders Damsgaard <[email protected]> |
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Date: Mon, 19 Jan 2015 10:10:01 +0100 |
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added function to modulate fluid pressure at top wall |
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Diffstat: |
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M src/device.cu | 15 +++++++++++++-- |
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1 file changed, 13 insertions(+), 2 deletions(-) |
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--- |
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diff --git a/src/device.cu b/src/device.cu |
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t@@ -1824,14 +1824,25 @@ __host__ void DEM::startTime() |
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if (walls.nw > 0 && |
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(walls.wmode[0] == 1 || walls.wmode[0] == 3)) { |
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wall0_iz = walls.nx->w/(grid.L[2]/grid.num[2]); |
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- /*setDarcyTopWallPressure |
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+ |
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+ // Modulate the pressures at the upper boundary cells |
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+ if ((darcy.p_mod_A > 1.0e-5 || darcy.p_mod_A < -1.0e-5) && |
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+ darcy.p_mod_f > 1.0e-7) { |
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+ // original pressure |
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+ Float new_pressure = |
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+ darcy.p[d_idx(0,0,darcy.nz-1)] //orig p |
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+ + darcy.p_mod_A |
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+ *sin(2.0*M_PI*darcy.p_mod_f*time.current |
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+ + darcy.p_mod_phi); |
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+ |
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+ setDarcyTopWallPressure |
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<<<dimGridFluid, dimBlockFluid>>>( |
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new_pressure, |
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wall0_iz, |
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dev_darcy_p); |
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cudaThreadSynchronize(); |
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checkForCudaErrorsIter("Post setDarcyTopWallPressure", |
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- iter);*/ |
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+ iter); |
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} |
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if (np > 0) { |
