tonly restrict f_p.z at top when there is constant pressure - sphere - GPU-based 3D discrete element method algorithm with optional fluid coupling
(HTM) git clone git://src.adamsgaard.dk/sphere
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---
(DIR) commit 122961646538904260583d0f4dd5afe0a98b312d
(DIR) parent d7c50fd0540071e68bd56b8eb99188627e5620f7
(HTM) Author: Anders Damsgaard Christensen <adc@geo.au.dk>
Date: Wed, 24 Aug 2016 11:23:38 -0700
only restrict f_p.z at top when there is constant pressure
Diffstat:
M src/darcy.cuh | 3 ++-
M src/device.cu | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
---
(DIR) diff --git a/src/darcy.cuh b/src/darcy.cuh
t@@ -1153,6 +1153,7 @@ __global__ void findDarcyPressureForceLinear(
const Float* __restrict__ dev_darcy_phi, // in
const unsigned int wall0_iz, // in
const Float rho_f, // in
+ const int bc_top, // in
Float4* __restrict__ dev_force, // out
Float4* __restrict__ dev_darcy_f_p) // out
{
t@@ -1273,7 +1274,7 @@ __global__ void findDarcyPressureForceLinear(
// Add Neumann BC at top wall
//if (i_z >= wall0_iz - 1)
- if (i_z >= wall0_iz)
+ if (bc_top == 0 && i_z >= wall0_iz)
f_p.z = 0.0;
//if (length(f_p) > 1.0e-12)
(DIR) diff --git a/src/device.cu b/src/device.cu
t@@ -1921,6 +1921,7 @@ __host__ void DEM::startTime()
dev_darcy_phi,
wall0_iz,
darcy.rho_f,
+ darcy.bc_top,
dev_force,
dev_darcy_f_p);
cudaThreadSynchronize();