Initial Condition Using #codeStream in Oldroyd-BLog #123
campanalorenzo
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Hello,
Thanks for your valuable work on RheoTool. I am experiencing a problem prescribing an initial condition on Tau & Theta in the Log-formulation. Specifically, I am using #codeStream for constructing Tau, as well as Theta, by including the computation of #calcEig. I have also tried to construct a solution external to OF by writing Tau & Theta files. The issue is always the same: the solution diverges after the first iteration, and there seems to be an incompatibility between Tau & Theta. The only working case is the trivial one using a diagonal matrix. Do you have any experience in prescribing an initial condition different from zero? I attach an example of #codeStream for Tau & Theta. Thanks again for your help.
theta.txt
tau.txt
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