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Fix 1D structural element Jacobian - #75

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jdeaton merged 1 commit into
v2from
beam_stiffness_fix
Feb 18, 2020
Merged

jdeaton merged 1 commit into
v2from
beam_stiffness_fix

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@manavbhatia

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This fixes the issue discussed in #64

  • Streamlined computation of 1D structural internal residual vector and Jacobian
  • Fixed bugs in Jacobian computation that were causing indefinite stiffness matrix when section offset was specified.

…and Jacobian

-- Fixed bugs in Jacobian computation that were causing indefinite stiffness matrix when section offset was specified.
@jdeaton

jdeaton commented Feb 18, 2020

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Looks like this straightened out the issues John was seeing and his tests are now passing. I'm going to go ahead and merge this into master and close the related issues linked here. The tests that prompted this will get merged in a later PR.

@jdeaton
jdeaton merged commit 552209a into v2 Feb 18, 2020
@manavbhatia

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This was merged into v2 branch. We have already merged v2 into master through #65. I think any following merges from v2 into master will have to happen through patches, instead of merging the whole branch.

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1D Stiffness Matrix Indefinite in Some Cases Incorrect bending about y-axis

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