			import h5py
			import matplotlib.pyplot as plt
			import GooseMPL as gplt
			import numpy as np

			plt.style.use(['goose', 'goose-latex'])

			# load data

			with h5py.File('output.h5', 'r') as data:
			coor = data['/coor'][...]
			conn = data['/conn'][...]
			disp = data['/disp'][...]
			Sig = data['/Sig'][...]
			nelem = conn.shape[0]

			# tensor products

			def ddot22(A2, B2):
			return np.einsum('eij, eji -> e', A2, B2)

			def ddot42(A4, B2):
			return np.einsum('eijkl, elk -> eij', A4, B2)

			def dyad22(A2, B2):
			return np.einsum('eij, ekl -> eijkl', A2, B2)

			# identity tensors

			i = np.eye(3)
			I = np.einsum('ij, e', i, np.ones([nelem]))
			I4 = np.einsum('ijkl, e -> eijkl', np.einsum('il, jk', i, i), np.ones([nelem]))
			I4rt = np.einsum('ijkl, e -> eijkl', np.einsum('ik,jl', i, i), np.ones([nelem]))
			I4s = 0.5 * (I4 + I4rt)
			II = dyad22(I, I)
			I4d = I4s - II / 3.0

			# compute equivalent stress

			Sigd = ddot42(I4d, Sig)
			sigeq = np.sqrt(3.0 / 2.0 * ddot22(Sigd, Sigd))

			# plot

			fig, ax = plt.subplots()
			gplt.patch(coor=coor + disp, conn=conn, cindex=sigeq, cmap='jet', axis=ax, clim=(0, 0.1))
			gplt.patch(coor=coor, conn=conn, linestyle='--', axis=ax)
			plt.savefig('plot.pdf')
			plt.close()

rGOOSEFEM/docs/examples/statics/FixedDisplacements_LinearElastic/plot.py
43d3f7dded0dmain

plot.py
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