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tstart error with newline, debug shear experiment - sphere - GPU-based 3D discr… |
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git clone git://src.adamsgaard.dk/sphere |
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LICENSE |
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commit 31cb2c6665a9cca4fde1b0da0f1f45831540ac2f |
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parent b36c0fdbdc4167ec1b64d3da69799b9acbfc4229 |
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Author: Anders Damsgaard <[email protected]> |
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Date: Thu, 6 Nov 2014 10:54:07 +0100 |
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start error with newline, debug shear experiment |
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Diffstat: |
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M python/halfshear-darcy-starter.py | 5 +++-- |
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M src/darcy.cpp | 3 ++- |
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2 files changed, 5 insertions(+), 3 deletions(-) |
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--- |
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diff --git a/python/halfshear-darcy-starter.py b/python/halfshear-darcy-starter… |
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t@@ -61,7 +61,8 @@ sim.setDampingTangential(0.0) |
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#sim.deleteAllParticles() |
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sim.fixvel[:] = -1.0 |
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-sim.initTemporal(total = 20.0, file_dt = 0.01, epsilon=0.07) |
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+#sim.initTemporal(total = 20.0, file_dt = 0.01, epsilon=0.07) |
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+sim.initTemporal(total = 1.0e-4, file_dt = 1.0e-5, epsilon=0.07) |
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# Fix lowermost particles |
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#dz = sim.L[2]/sim.num[2] |
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t@@ -70,6 +71,6 @@ sim.initTemporal(total = 20.0, file_dt = 0.01, epsilon=0.07) |
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sim.run(dry=True) |
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sim.run(device=device) |
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-#sim.writeVTKall() |
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+sim.writeVTKall() |
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#sim.visualize('walls') |
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#sim.visualize('fluid-pressure') |
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diff --git a/src/darcy.cpp b/src/darcy.cpp |
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t@@ -125,7 +125,8 @@ void DEM::checkDarcyStability() |
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//if (darcy.mu*time.dt/(dmin*dmin) > 0.5) { |
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if (time.dt >= 1.0/(2.0*alpha_max) * |
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1.0/(1.0/(dx*dx) + 1.0/(dy*dy) + 1.0/(dz*dz))) { |
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- std::cerr << "Error: The time step is too large to ensure stability in… |
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+ std::cerr |
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+ << "\nError: The time step is too large to ensure stability in " |
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"the diffusive term of the fluid momentum equation.\n" |
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"Increase the viscosity, decrease the time step, and/or increase " |
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"the fluid grid cell size." << std::endl; |
