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usnistgov / fipy

FiPy is a Finite Volume PDE solver written in Python
http://pages.nist.gov/fipy/en/latest
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examples.diffusion.mesh1D constrains a gradient but calls it a flux #1000

Closed guyer closed 5 months ago

guyer commented 5 months ago

As reported in #999, examples.diffusion.mesh1D calls 

>>> phi.faceGrad.constrain([fluxRight], mesh.facesRight)

A flux is not a gradient.