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tuse forward differnce for pressure gradient force - sphere - GPU-based 3D disc… |
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git clone git://src.adamsgaard.dk/sphere |
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commit 9f6c95e307ad4582ccf84cbc97d196afa55b63c3 |
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parent ecec58505dd46840329f1d2e895aa3d0538228b5 |
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Author: Anders Damsgaard <[email protected]> |
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Date: Thu, 13 Nov 2014 09:10:23 +0100 |
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use forward differnce for pressure gradient force |
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Diffstat: |
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M src/darcy.cuh | 5 +++-- |
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1 file changed, 3 insertions(+), 2 deletions(-) |
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diff --git a/src/darcy.cuh b/src/darcy.cuh |
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t@@ -533,7 +533,7 @@ __global__ void findDarcyPressureForce( |
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__syncthreads(); |
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const Float phi = dev_darcy_phi[cellidx]; |
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const Float p_xn = dev_darcy_p[d_idx(i_x-1,i_y,i_z)]; |
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- //const Float p = dev_darcy_p[cellidx]; |
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+ const Float p = dev_darcy_p[cellidx]; |
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const Float p_xp = dev_darcy_p[d_idx(i_x+1,i_y,i_z)]; |
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const Float p_yn = dev_darcy_p[d_idx(i_x,i_y-1,i_z)]; |
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const Float p_yp = dev_darcy_p[d_idx(i_x,i_y+1,i_z)]; |
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t@@ -542,7 +542,8 @@ __global__ void findDarcyPressureForce( |
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// Add Neumann BC at top wall |
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if (i_z >= wall0_iz) |
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- p_zp = p_zn; |
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+ p_zp = p; |
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+ //p_zp = p_zn; |
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// find particle volume (radius in x.w) |
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const Float V = 4.0/3.0*M_PI*x.w*x.w*x.w; |
