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DOCS FIX: Correct isotropic linear poroelasticity Jf3uu and Jf1eu terms. - #912

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baagaard-usgs merged 1 commit into
geodynamics:mainfrom
baagaard-usgs:docs-fix-poroelasticity-jacobian
Jul 17, 2026
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DOCS FIX: Correct isotropic linear poroelasticity Jf3uu and Jf1eu terms.#912
baagaard-usgs merged 1 commit into
geodynamics:mainfrom
baagaard-usgs:docs-fix-poroelasticity-jacobian

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For the Jf3uu term, there are only contributions associated with the shear modulus and not contributions associated with Lame's constant lamabda. The code was correct, but the documentation was not.

Jf3uu: -Cikjl -> -Cikjl (delta_ij delta_kl + delta_il delta_jk)

Jf1eu: delta_ij -> delta_jl

Closes #870

Jf3uu: -Cikjl -> -Cikjl (delta_ij delta_kl + delta_il delta_jk)

Jf1eu: delta_ij -> delta_jl
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baagaard-usgs merged commit ae54496 into geodynamics:main Jul 17, 2026
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baagaard-usgs deleted the docs-fix-poroelasticity-jacobian branch July 17, 2026 04:08
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Poroelasticity governing equations section in documentation are inconsistent with implementation

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