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tdisable vtk output, avoid divide by zero when determining Re - sphere - GPU-ba… |
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git clone git://src.adamsgaard.dk/sphere |
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LICENSE |
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--- |
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commit 83fba892f1c1133c173995fa2b80f288902d91af |
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parent 6976fe3a898d772d6d3bf0726f566a50c537e817 |
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Author: Anders Damsgaard <[email protected]> |
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Date: Mon, 10 Nov 2014 12:49:41 +0100 |
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disable vtk output, avoid divide by zero when determining Re |
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Diffstat: |
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M python/sphere.py | 3 ++- |
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M tests/cfd_tests.py | 6 +++--- |
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2 files changed, 5 insertions(+), 4 deletions(-) |
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--- |
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diff --git a/python/sphere.py b/python/sphere.py |
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t@@ -5005,7 +5005,8 @@ class sim: |
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self.v_f_magn[x,y,z] = \ |
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self.v_f[x,y,z,:].dot(self.v_f[x,y,z,:]) |
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- self.Re = self.rho_f*self.v_f_magn*self.L[0]/self.num[0]/self.mu |
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+ self.Re = self.rho_f*self.v_f_magn*self.L[0]/self.num[0]/(self.mu + \ |
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+ 1.0e-16) |
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return self.Re |
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def plotLoadCurve(self, graphics_format='png'): |
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diff --git a/tests/cfd_tests.py b/tests/cfd_tests.py |
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t@@ -26,9 +26,9 @@ orig.run(verbose=False) |
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#orig.run(verbose=True) |
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py = sphere.sim(sid = orig.sid, fluid = True) |
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-ones = numpy.ones((orig.num)) |
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+zeros = numpy.zeros((orig.num)) |
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py.readlast(verbose = False) |
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-compareNumpyArrays(ones, py.p_f, "Conservation of pressure:") |
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+compareNumpyArrays(zeros, py.p_f, "Conservation of pressure:") |
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# Convergence rate (1/2) |
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it = numpy.loadtxt("../output/" + orig.sid + "-conv.log") |
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t@@ -52,7 +52,7 @@ orig.run(verbose=False) |
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#orig.run(verbose=True) |
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py.readlast(verbose = False) |
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ideal_grad_p_z = numpy.linspace(orig.p_f[0,0,0], orig.p_f[0,0,-1], orig.num[2]) |
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-orig.writeVTKall() |
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+#orig.writeVTKall() |
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compareNumpyArraysClose(numpy.zeros((1,orig.num[2])),\ |
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ideal_grad_p_z - py.p_f[0,0,:],\ |
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"Pressure gradient:\t", tolerance=1.0e-1) |
