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treconfigured shear() to not touch upper wall parameters - sphere - GPU-based 3… |
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git clone git://src.adamsgaard.dk/sphere |
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commit 366c91b40daa1975adce5251c8a51bd3cf3a6ee6 |
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parent 64e76c5f86212627f079b05da0ded770660c1dff |
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Author: Anders Damsgaard <[email protected]> |
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Date: Thu, 29 Nov 2012 21:17:39 +0100 |
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reconfigured shear() to not touch upper wall parameters |
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Diffstat: |
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M python/sphere.py | 13 ++++++++----- |
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1 file changed, 8 insertions(+), 5 deletions(-) |
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--- |
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diff --git a/python/sphere.py b/python/sphere.py |
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t@@ -696,7 +696,7 @@ class Spherebin: |
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self.w_vel = numpy.array([wvel]) |
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- def shear(self, deviatoric_stress = 10e3, |
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+ def shear(self, |
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shear_strain_rate = 1, |
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periodic = 1): |
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""" Setup shear experiment. Specify the upper wall |
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t@@ -705,18 +705,21 @@ class Spherebin: |
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initial height per second. |
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""" |
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- # Compute new grid, scaled to fit max. and min. particle positions |
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+ # Find lowest and heighest point |
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z_min = numpy.min(self.x[:,2] - self.radius) |
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z_max = numpy.max(self.x[:,2] + self.radius) |
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+ |
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+ # the grid cell size is equal to the max. particle diameter |
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cellsize = self.L[0] / self.num[0] |
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- self.adjustUpperWall(z_adjust = 1.3) |
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- # Initialize upper wall |
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- self.w_devs[0] = deviatoric_stress |
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+ # make grid one cell heigher to allow dilation |
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+ self.num[2] += 1 |
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+ self.L[2] = self.num[2] * cellsize |
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# zero kinematics |
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self.zeroKinematics() |
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+ # set the thickness of the horizons of fixed particles |
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#fixheight = 2*cellsize |
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fixheight = cellsize |
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