Monolithic coupling WIP#10

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kmokstad wants to merge 23 commits intoOPM:masterfrom

kmokstad:monolithic

Commits on Sep 10, 2018

Added: Tangent matrix for monolithic coupling of elasticity and phasefield.
kmokstad
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Added: Integrand for monolithic fracture elasticity solver
kmokstad
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Added: Option for (quasi-static) monolithic coupling of the phase-field
kmokstad
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Fixed: Scaling of phase-field terms w.r.t. the coupling terms.
kmokstad
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Fixed: Set initial phase field to 1.0. Bail on monolithic dynamic setup.
kmokstad
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Fixed: Must still resize the element RHS vectors when mode=RHS_ONLY.
kmokstad
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Added: Small test case for quasi-static monolithic solution
kmokstad
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Added: Missing residual terms for the phase field part
kmokstad
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Fixed: VTF output of phase field as primary variable
kmokstad
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Added: Line search based on hermitian interpolation

akva2
authored and
kmokstad
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Added: Integration of fracture energy in monolithic integrand
kmokstad
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Added: Test some discrete values for CubicMinimum
kmokstad
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Changed: New cubic minimum approach.

akva2
authored and
kmokstad
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Fixed: Need to check f'(0) to determine sampling points to use
kmokstad
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Changed: Check for line search also in the first iteration.
kmokstad
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Changed: Use roots of quadratic polynomial formula instead of Newton search.
kmokstad
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Fixed: Use solution INT_FORCES to calculate internal forces only
kmokstad
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Changed: Moved evaluation of functional to separate method, for clarity
kmokstad
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Added: Calculate f'(alpha) by direct integration together with f(alpha).
kmokstad
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Added: Unit test comparing the two ways to evaluate f'(alpha)
kmokstad
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Changed: Dump sampling point values directly when the argument n is small
kmokstad
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Changed: Recalculate the residual vector based on the found alpha
kmokstad
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Changed: Register the primary solution field as "displacement" for the
kmokstad
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