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feat: plastic strain output #3384

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@ryar9534 ryar9534 commented Oct 3, 2024

Introducing a plasticStrain output field in addition to the current total strain. This is done by subtracting the elastic strain (obtained via the getElasticStrain method of the constitutive laws) from the total strain and averaging over quadrature points.

Rebaselining will be required because of the new field.

Ideally, plastic strain would only be output when a plasticity model is being used, but Im not sure thats possible...

I will run the Drucker-Prager wellbore problem to test

@ryar9534 ryar9534 self-assigned this Oct 3, 2024
@ryar9534 ryar9534 marked this pull request as ready for review October 3, 2024 11:46
@ryar9534 ryar9534 linked an issue Oct 3, 2024 that may be closed by this pull request
@ryar9534 ryar9534 added the ci: run CUDA builds Allows to triggers (costly) CUDA jobs label Oct 3, 2024
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Do we want full tensorial plastic strain, or eps?

@@ -160,7 +160,9 @@ void SolidMechanicsLagrangianFEM::registerDataOnMesh( Group & meshBodies )
{
setConstitutiveNamesCallSuper( subRegion );

subRegion.registerField< solidMechanics::strain >( getName() ).reference().resizeDimension< 1 >( 6 );
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Suggested change
subRegion.registerField< solidMechanics::strain >( getName() ).reference().resizeDimension< 1 >( 6 );
subRegion.registerField< solidMechanics::plasticStrain >( getName() ).setDimLabels( 1, voightLabels ).reference().resizeDimension< 1 >( 6 );

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Elastic/Plastic strain outputs in GEOS
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