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Add an interface for PETSc SNES #447

Merged
merged 14 commits into from
Jul 3, 2024
Merged

Add an interface for PETSc SNES #447

merged 14 commits into from
Jul 3, 2024

Commits on May 17, 2024

  1. Add first draft for interface to petsc snes solver

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    sblauth committed May 17, 2024
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Commits on Jun 4, 2024

  1. Merge branch 'main' into dev/snes_solver

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    sblauth committed Jun 4, 2024
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Commits on Jun 24, 2024

  1. Merge branch 'main' into dev/snes_solver

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    sblauth committed Jun 24, 2024
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  2. Fix a bug in the SNES wrapper 

    This means, that now all PETSc solver options should be able to work
Also fixes some notational bugs noted with mypy
    @sblauth
    sblauth committed Jun 24, 2024
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  3. Add test for snes solver

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    sblauth committed Jun 24, 2024
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Commits on Jun 25, 2024

  1. Add shift parameter to snes solve (for p-Laplacian) 

    Make snes solve the default nonlinear solver for the p-Laplacian projection of the shape gradient
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    sblauth committed Jun 25, 2024
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  2. Add fieldsplit support for snes solver 

    Fixes a small bug
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    sblauth committed Jun 25, 2024
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  3. Add rtol, atol, max_iter parameters for SNES. New PETSc Exceptions 

    Also removes some "inner" parameters from the picard iteration
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    sblauth committed Jun 25, 2024
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Commits on Jul 3, 2024

  1. Add the config parameter "backend" in StateSystem 

    This allows users to choose between the "old" backend (custom newton solver implemented by hand) and the
new PETSc SNES backend.
The old behavior can be obtained with :ini:`backend = cashocs`, the new one with
:ini:`backend = petsc`. The default is backend = cashocs for compatibility reasons.
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    sblauth committed Jul 3, 2024
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  2. Merge branch 'main' into dev/snes_solver

    @sblauth
    sblauth authored Jul 3, 2024
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  3. Fix the docs 

    Tables were not defined correctly.
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    sblauth committed Jul 3, 2024
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  4. Make cashocs SNES interface MPI ready

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    sblauth committed Jul 3, 2024
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  5. Fix some bugs with the docs

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    sblauth committed Jul 3, 2024
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  6. fix docs of snes_solve

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    sblauth committed Jul 3, 2024
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