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tAdded fluid shear test - sphere - GPU-based 3D discrete element method algorit… |
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git clone git://src.adamsgaard.dk/sphere |
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LICENSE |
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commit 980a99ca05ed04ff9cb51ed7fecef8bd6fa6f554 |
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parent 874be72bf7a0fa969d777e4ad5e24061e6c7047a |
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Author: Anders Damsgaard <[email protected]> |
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Date: Tue, 1 Apr 2014 09:21:12 +0200 |
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Added fluid shear test |
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Diffstat: |
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A python/fluidshear.py | 42 +++++++++++++++++++++++++++++… |
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1 file changed, 42 insertions(+), 0 deletions(-) |
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diff --git a/python/fluidshear.py b/python/fluidshear.py |
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t@@ -0,0 +1,42 @@ |
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+#!/usr/bin/env python |
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+ |
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+import sphere |
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+ |
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+sid = 'fluidshear' |
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+ |
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+## Initialization from loose packing to a gravitationally collapsed state |
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+## without fluids |
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+sim = sphere.sim(sid + '-init', np = 2400, fluid = False) |
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+#sim.cleanup() |
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+sim.radius[:] = 0.05 |
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+sim.initRandomGridPos(gridnum = [12, 12, 9000]) |
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+sim.initTemporal(total = 5.0, file_dt = 0.05) |
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+sim.g[2] = -9.81 |
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+sim.run(dry=True) |
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+#sim.run() |
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+#sim.writeVTKall() |
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+ |
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+## Consolidation from a top wall without fluids |
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+sim.readlast() |
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+sim.sid = sid + '-cons' |
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+sim.adjustUpperWall() |
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+sim.consolidate(normal_stress = 10.0e3) |
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+#sim.initFluid(mu = 17.87e-4, p = 1.0e5, hydrostatic = True) # mu = water at … |
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+sim.initTemporal(total = 1.0, file_dt = 0.01) |
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+sim.run(dry=True) |
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+#sim.run() |
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+#sim.writeVTKall() |
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+sim.visualize('walls') |
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+ |
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+## Shear with fluids |
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+sim.readlast() |
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+sim.sid = sid + '-shear' |
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+sim.shear() |
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+sim.fluid = True |
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+sim.initFluid(mu = 17.87e-4, p = 1.0e5, hydrostatic = True) |
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+sim.bc_bot[0] = 1 # Neumann BC |
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+sim.initTemporal(total = 1.0, file_dt = 0.01) |
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+sim.run(dry=True) |
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+sim.run() |
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+sim.writeVTKall() |
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+sim.visualize('shear') |
