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EFEM bugfixes: effective traction + oldStress #3408

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EFEM bugfixes: effective traction + oldStress #3408

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2 changes: 2 additions & 0 deletions src/coreComponents/physicsSolvers/contact/SolidMechanicsEFEMKernelsBase.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -293,6 +293,8 @@ class EFEMKernelsBase :
// transp(B)DB
LvArray::tensorOps::Rij_eq_AikBjk< nUdof, 3, 6 >( Kuw_gauss, matBD, compMatrix );

/// FIX: add old Equilibrium operator times oldStress (in Voigt notation)
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LvArray::tensorOps::Rij_eq_AikBjk< 3, 3, 6 >( rw, eqMatrix, oldStressVoigt );

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and then change uLocal in this kernel to be the increment.


// multiply by determinant and add to element matrix
LvArray::tensorOps::scaledAdd< 3, 3 >( stack.localKww, Kww_gauss, -detJ );
LvArray::tensorOps::scaledAdd< 3, nUdof >( stack.localKwu, Kwu_gauss, -detJ );
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1 change: 1 addition & 0 deletions ...ponents/physicsSolvers/multiphysics/poromechanicsKernels/SinglePhasePoromechanicsEFEM.hpp
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Expand Up @@ -361,6 +361,7 @@ struct StateUpdateKernel
deltaVolume[k] = hydraulicAperture[k] * area[k] - volume[k];

// traction on the fracture to include the pressure contribution
/// FIX: effective traction treatment
fractureTraction[k][0] -= pressure[k];
dFractureTraction_dPressure[k] = -1.0;

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2 changes: 2 additions & 0 deletions ...ts/physicsSolvers/multiphysics/poromechanicsKernels/SinglePhasePoromechanicsEFEM_impl.hpp
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Expand Up @@ -294,10 +294,12 @@ complete( localIndex const k,
localIndex const embSurfIndex = m_cellsToEmbeddedSurfaces[k][0];

// Add traction contribution tranction
/// FIX: effective traction treatment: add fracture pressure here
LvArray::tensorOps::scaledAdd< 3 >( stack.localJumpResidual, stack.tractionVec, -1 );
LvArray::tensorOps::scaledAdd< 3, 3 >( stack.localKww, stack.dTractiondw, -1 );

// JumpFractureFlowJacobian
/// FIX: effective traction treatment: remove m_dTraction_dPressure but add pressure
real64 const localJumpFracPressureJacobian = -m_dTraction_dPressure[embSurfIndex] * m_surfaceArea[embSurfIndex];

// Mass balance accumulation
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