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tadded script to start shear2 simulations - sphere - GPU-based 3D discrete elem… |
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git clone git://src.adamsgaard.dk/sphere |
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commit 42b7039c127fbf0f3ac1938530e333d450284af2 |
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parent 8e72814af7eb96dd3b6673e10ce7567023829e5d |
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Author: Anders Damsgaard <[email protected]> |
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Date: Thu, 2 Oct 2014 13:54:53 +0200 |
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added script to start shear2 simulations |
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Diffstat: |
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A python/shear2-starter.py | 74 +++++++++++++++++++++++++++++… |
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1 file changed, 74 insertions(+), 0 deletions(-) |
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diff --git a/python/shear2-starter.py b/python/shear2-starter.py |
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t@@ -0,0 +1,74 @@ |
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+#!/usr/bin/env python |
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+import sphere |
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+import numpy |
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+import sys |
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+ |
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+# launch with: |
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+# $ python shear-starter.py <DEVICE> <FLUID> <C_PHI> <C_GRAD_P> <SIGMA_0> |
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+ |
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+device = int(sys.argv[1]) |
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+wet = int(sys.argv[2]) |
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+c_phi = float(sys.argv[3]) |
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+c_grad_p = float(sys.argv[4]) |
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+sigma0 = float(sys.argv[5]) |
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+ |
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+#sim = sphere.sim('diffusivity-sigma0=' + str(sigma0) + '-c_phi=' + \ |
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+# str(c_phi) + '-c_grad_p=' + str(c_grad_p), fluid=True) |
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+if wet == 1: |
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+ fluid = True |
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+else: |
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+ fluid = False |
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+ |
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+sim = sphere.sim('cons2-20kPa', fluid=False) |
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+sim.readlast() |
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+ |
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+#if sigma0 == 20.0e3 and c_phi == 1.0 and c_grad_p == 0.1: |
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+# sim.sid = 'shear-sigma0=20000.0-c_phi=1.0-c_grad_p=0.1-hi_mu-lo_visc-hw-n… |
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+# sim.readlast() |
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+ |
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+if fluid: |
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+ sim.id('shear2-sigma0=' + str(sigma0) + '-c_phi=' + str(c_phi) + \ |
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+ '-c_grad_p=' + str(c_grad_p) + '-hi_mu-lo_visc-hw') |
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+else: |
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+ sim.id('shear2-sigma0=' + str(sigma0) + '-hw') |
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+ |
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+print(sim.sid) |
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+sim.fluid = fluid |
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+ |
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+sim.checkerboardColors(nx=6,ny=6,nz=6) |
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+sim.cleanup() |
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+sim.adjustUpperWall() |
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+sim.zeroKinematics() |
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+ |
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+sim.shear(1.0/20.0) |
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+#sim.shear(0.0) |
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+ |
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+if fluid: |
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+ #sim.num[2] *= 2 |
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+ #sim.L[2] *= 2.0 |
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+ sim.initFluid(mu = 1.787e-6, p = 600.0e3, hydrostatic = True) |
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+ #sim.initFluid(mu = 17.87e-4, p = 1.0e5, hydrostatic = True) |
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+ sim.setFluidBottomNoFlow() |
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+ sim.setFluidTopFixedPressure() |
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+ sim.setDEMstepsPerCFDstep(10) |
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+ sim.setMaxIterations(2e5) |
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+ sim.c_phi[0] = c_phi |
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+ sim.c_grad_p[0] = c_grad_p |
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+ sim.w_devs[0] = sigma0 |
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+ |
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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=0.05) |
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+sim.w_m[0] = numpy.abs(sigma0*sim.L[0]*sim.L[1]/sim.g[2]) |
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+sim.mu_s[0] = 0.5 |
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+sim.mu_d[0] = 0.5 |
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+ |
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+# Fix lowermost particles |
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+dz = sim.L[2]/sim.num[2] |
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+I = numpy.nonzero(sim.x[:,2] < 1.5*dz) |
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+sim.fixvel[I] = 1 |
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+ |
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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.visualize('walls') |
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+#sim.visualize('fluid-pressure') |
