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significant update to HystereticSM material
Updates to Visual Studio project files
…ting SysOfEqnPython .. so tcl interpreters do not need python version installed
Co-authored-by: Cursor <cursoragent@cursor.com>
…solver Gaaraujo feature/enable python solver
Quick bug fix in Brick constructor: do not print unnecessary output
- Implements Direct Differentiation Method for all 10 parameters - Handles initial loading, reversals, and cyclic behavior - Based on Barbato & Conte (2006), extended to full parameter set - Verified against finite differences
Added a CMake build status badge to the README.
FBC: exit instead of buffer overflow
Fix `ArpackSOE::addM` for duplicate equation IDs under Transformation
Add MEFI-3D element
Update SFI_MVLEM_3D.h for building consistent tangent stiffness
Update SFI_MVLEM_3D Tangent Stiffness
Fix CreepShrinkageACI209 revertToLastCommit stale-time re-evaluation
Account for shear stiffness in elastic beam column
BUG-3: addLoad() overwrites w1/w2/w3 with eleLoad values instead of adding to them. zeroLoad() does not restore self-weight. Fix: - zeroLoad(): restore w1=0, w2=0, w3=weight - addLoad(): accumulate (w1 += ...) instead of overwrite (w1 = ...)
Integration point strains can already be reached through the material delegation, "material $matNum strain", but Tri31 does not answer the element level "strain"/"strains" query that FourNodeQuad, SixNodeTri and the rest of the quad family provide. A recorder written against those elements stops working when the mesh uses Tri31. This adds the same branch, responseID 4, sized by the element's own number of integration points. Adds a plane stress verification test. A single constant strain triangle is loaded by the nodal forces that are statically equivalent to a uniform stress field, once in uniaxial tension and once in pure shear, so all three strain components have exact expected values. Refs #1686
Fix varying distributed loads in ModElasticBeam3d
Add strain response to Tri31
Fix CatenaryCable self-weight being overwritten by eleLoad
Guard BandGeneral solver against invalid LAPACK inputs
Hysteretic and HystereticSM did not restore the tangent in revertToLastCommit(). After a failed step the integrator forms the tangent before any new setTrialStrain(), so every retry used the tangent of the failed trial; on a flat envelope segment that tangent is zero and dgstrf() fails on every retry. Added Ctangent, set in commitState() and restored in revertToLastCommit(), as Concrete01 does. It is also set in revertToStart(), copied in getCopy() and sent in place of Ttangent in sendSelf(). Split out of #1802.
Add FAM_CS nD material
Hysteretic, HystereticSM: restore the tangent in revertToLastCommit()
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