On 9/22/20 11:09 AM, Paras Kumar wrote:
In order to verify if the "improper" modeling of the curved particle surface
due to the reason you explained above, is the cause for this irregularities,
we tried with a cubic particle, thereby eliminating the above issue, but still
observe irregularities in the stress contour on the particle surface, cf.
Figures 3-5 of the attachment. With this observation, we could probably
conclude that improper modeling of the curved geometry is not the only reason
for the irregularities.
I know this isn't helpful from the perspective of actually solving your
problem, but: Excellent work testing out different hypotheses and validating
every step of your work. What you show here is a model of how one builds
numerical solutions: If there is something that seems odd, one systematically
simplifies the simulation (sphere -> cube), and then cross checks different
approaches (tets vs hexes vs uniform discretization) until it's clear what the
issue is. I wished every student project were as comprehensively explored! :-)
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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