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tadded script for simulations with modulating stresses - sphere - GPU-based 3D … |
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git clone git://src.adamsgaard.dk/sphere |
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--- |
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commit d2028121eff909fff835dbe760771c2d87dd5c6c |
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parent 665811d1559586641cc8d1d12ce32dde5d5982ae |
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Author: Anders Damsgaard <[email protected]> |
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Date: Wed, 21 Jan 2015 11:39:59 +0100 |
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added script for simulations with modulating stresses |
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Diffstat: |
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A python/halfshear-darcy-stress-mod-… | 93 +++++++++++++++++++++++++++… |
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1 file changed, 93 insertions(+), 0 deletions(-) |
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--- |
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diff --git a/python/halfshear-darcy-stress-mod-starter.py b/python/halfshear-da… |
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t@@ -0,0 +1,93 @@ |
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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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+# $ ipython halfshear-darcy-stress-starter.py <device> <fluid> <c_phi> <k_c> <… |
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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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+k_c = float(sys.argv[4]) |
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+sigma0 = float(sys.argv[5]) |
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+mu = float(sys.argv[6]) |
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+shear_stress = float(sys.argv[7]) |
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+mod_A = float(sys.argv[8]) |
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+mod_f = float(sys.argv[9]) |
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+ |
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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('halfshear-sigma0=' + str(sigma0), fluid=False) |
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+print('Input: ' + sim.sid) |
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+sim.readlast() |
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+ |
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+sim.fluid = fluid |
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+if fluid: |
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+ sim.id('halfshear-darcy-sigma0=' + str(sigma0) + '-k_c=' + str(k_c) + |
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+ '-mu=' + str(mu) + '-ss=' + str(shear_stress) + '-A=' + str(mod_A) |
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+ + '-f=' + str(mod_f)) |
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+else: |
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+ sim.id('halfshear-sigma0=' + str(sigma0) + '-ss=' + str(shear_stress) + \ |
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+ '-shear') |
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+ |
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+sim.checkerboardColors(nx=6,ny=3,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(0.0/20.0) |
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+#sim.shear(1.0/20.0 * velfac) |
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+sim.shear(shear_stress = shear_stress) |
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+K_q_real = 36.4e9 |
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+K_w_real = 2.2e9 |
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+K_q_sim = 1.16e9 |
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+K_w_sim = K_w_real/K_q_real * K_q_sim |
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+ |
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+if fluid: |
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+ #sim.num[2] *= 2 |
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+ sim.num[:] /= 2 |
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+ #sim.L[2] *= 2.0 |
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+ #sim.initFluid(mu = 1.787e-6, p = 600.0e3, cfd_solver = 1) |
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+ sim.initFluid(mu = mu, p = 0.0, cfd_solver = 1) |
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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.setPermeabilityPrefactor(k_c) |
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+ sim.setFluidCompressibility(1.0/K_w_sim) |
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+ sim.setFluidPressureModulation(A=mod_A, f=mod_f) |
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+ |
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+sim.w_sigma0[0] = sigma0 |
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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.setTopWallNormalStressModulation(A=mod_A, f=mod_f) |
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+ |
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+#sim.setStiffnessNormal(36.4e9 * 0.1 / 2.0) |
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+#sim.setStiffnessTangential(36.4e9/3.0 * 0.1 / 2.0) |
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+sim.setStiffnessNormal(K_q_sim) |
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+sim.setStiffnessTangential(K_q_sim) |
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+sim.mu_s[0] = 0.5 |
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+sim.mu_d[0] = 0.5 |
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+sim.setDampingNormal(0.0) |
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+sim.setDampingTangential(0.0) |
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+#sim.deleteAllParticles() |
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+#sim.fixvel[:] = -1.0 |
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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 = 0.00001, epsilon=0.07) |
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+#sim.time_dt[0] *= 1.0e-2 |
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+#sim.initTemporal(total = 1.0e-4, file_dt = 1.0e-5, epsilon=0.07) |
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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') |
