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tset velocity to zero above dynamic wall - sphere - GPU-based 3D discrete eleme… |
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git clone git://src.adamsgaard.dk/sphere |
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commit fb42b7f7543b15269762f52992d036dd086c4ae4 |
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parent 63009d48011ba447f2ac372b36afe63dbb0d978e |
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Author: Anders Damsgaard <[email protected]> |
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Date: Mon, 22 Sep 2014 15:10:29 +0200 |
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set velocity to zero above dynamic wall |
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Diffstat: |
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M src/device.cu | 1 + |
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M src/navierstokes.cuh | 5 +++++ |
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2 files changed, 6 insertions(+), 0 deletions(-) |
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--- |
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diff --git a/src/device.cu b/src/device.cu |
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t@@ -1638,6 +1638,7 @@ __host__ void DEM::startTime() |
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ns.bc_top, |
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ns.ndem, |
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ns.c_grad_p, |
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+ wall0_iz, |
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dev_ns_v_x, |
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dev_ns_v_y, |
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dev_ns_v_z); |
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diff --git a/src/navierstokes.cuh b/src/navierstokes.cuh |
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t@@ -2910,6 +2910,7 @@ __global__ void updateNSvelocity( |
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const int bc_top, // in |
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const unsigned int ndem, // in |
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const Float c_grad_p, // in |
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+ const unsigned int wall0_iz, // in |
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Float* __restrict__ dev_ns_v_x, // out |
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Float* __restrict__ dev_ns_v_y, // out |
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Float* __restrict__ dev_ns_v_z) // out |
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t@@ -3006,6 +3007,10 @@ __global__ void updateNSvelocity( |
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v.y = 0.0; |
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} |
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+ // Set velocities to zero above the dynamic wall |
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+ if (z > wall0_iz) |
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+ v = MAKE_FLOAT3(0.0, 0.0, 0.0); |
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+ |
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// Check the advection term using the Courant-Friedrichs-Lewy condition |
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__syncthreads(); |
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if (v.x*ndem*devC_dt/dx |
