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tchange world size, particle number, add wall viscous damping - sphere - GPU-ba… |
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git clone git://src.adamsgaard.dk/sphere |
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LICENSE |
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commit dd60c1b8ba232d30b61afe79541a10399bc5f257 |
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parent cb145bb36bca6fad2bdcdbe633d5c135eb3bf66a |
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Author: Anders Damsgaard Christensen <[email protected]> |
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Date: Wed, 15 Jun 2016 18:10:29 -0700 |
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change world size, particle number, add wall viscous damping |
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Diffstat: |
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M python/alejandro-init-cons.py | 8 ++++---- |
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1 file changed, 4 insertions(+), 4 deletions(-) |
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diff --git a/python/alejandro-init-cons.py b/python/alejandro-init-cons.py |
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t@@ -12,7 +12,7 @@ plots = True |
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device = 0 |
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# Number of particles |
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-np = 2e3 |
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+np = 1e4 |
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# Common simulation id |
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sim_id = "alejandro" |
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t@@ -28,8 +28,9 @@ init = sphere.sim(np=np, nd=3, nw=0, sid=sim_id + "-init") |
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# Save radii |
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init.generateRadii(mean=0.01) |
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-# Use default params |
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+# Add viscous damping to quickly dissipate kinetic energy |
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init.defaultParams(k_n=1.16e7, k_t=1.16e7, gamma_n=100.0, mu_s=0.5, mu_d=0.5) |
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+init.gamma_wn[0] = 10000.0 |
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# Add gravity |
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init.g[2] = -9.81 |
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t@@ -38,8 +39,7 @@ init.g[2] = -9.81 |
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init.periodicBoundariesX() |
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# Initialize positions in random grid (also sets world size) |
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-hcells = np**(1.0/3.0) |
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-init.initRandomGridPos(gridnum=[hcells, hcells, 1e9]) |
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+init.initRandomGridPos(gridnum=[12, 12, 1e9]) |
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# Set duration of simulation |
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init.initTemporal(total=10.0, epsilon=0.07) |
