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Volumetric strain

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I have been trying to plot the modulus of volumetric strain for a superlattice micropillar structure. In 2D axisymmetric space, I was using the solid mechanics physics from acoustics module with eigenfrequency study. When I plotted the expression "abs(solid.evol)" the results are not as expected(It is expected to be in the form of Bessel function). There are some peculiar patterns appearing in the plot which disturbs the continuity of strain in the radial direction of the pillar(one of the strain for a particular eigenfrequency is attached here with. I tried with different meshing to get better results. Please help me to find what I am doing wrong and how to resolve it.



0 Replies Last Post Dec 7, 2021, 1:06 a.m. EST
COMSOL Moderator

Hello Agneya V D

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