Drift intotal mass during solving PDE #462
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KathrinStuttgart
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I can reproduce the loss of mass, which I think comes from two distinct sources:
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We use the package PyPDE to do a simulation with a non trivial PDE. Unfortunately we see a drift within the total mass, although the total mass should be preserved. We could isolate to probleme to one single term. But we can not explain why this drift occures here. Maybe there is an issue in the code of the package.
The Code ist the following:
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