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Diagonal Jacobian for explicit part of IMEX formulation #394

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baagaard-usgs opened this issue Mar 30, 2022 · 0 comments
Open

Diagonal Jacobian for explicit part of IMEX formulation #394

baagaard-usgs opened this issue Mar 30, 2022 · 0 comments
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@knepley
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feature request
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Release v6.0.0

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Description

The Jacobian for dynamic prescribed slip is diagonal for the explicit part. We want to be able to allocate just a diagonal Jacobian for the explicit part (displacement and velocity blocks).

Desired Solution

Add ability to tell PETSc to only allocate a diagonal Jacobian for specified fields (displacement and velocity blocks).

Part of #203
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