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Zhong 2008 isoviscous response: constrained vs Nitsche free-slip behavior

enhancementNew feature or requestNew feature or request

Status: Open.

#248 In underworldcode/underworld3;

· gthyagi opened on Jun 16, 2026

Support numpy >= 2.0 — deprecated alias replacements and minimum PETSc version

Status: Open.

#247 In underworldcode/underworld3;

· jcgraciosa opened on Jun 16, 2026

Stokes_Constrained is slow in parallel despite low KSP iterations

enhancementNew feature or requestNew feature or request

Status: Open.

#244 In underworldcode/underworld3;

· gthyagi opened on Jun 16, 2026

Nitsche free-slip BC: inconsistent Jacobian for anisotropic (transverse-isotropic) constitutive models

bugSomething isn't workingSomething isn't working

Status: Open.

#239 In underworldcode/underworld3;

· lmoresi opened on Jun 15, 2026

Consider replacing manual /viz topology assembly with PETSc HDF5_VIZ viewer

Status: Open.

#217 In underworldcode/underworld3;

· lmoresi opened on May 29, 2026

[BUG] - Three stale-cache issues after swarm particle addition

Status: Open.

#215 In underworldcode/underworld3;

· bknight1 opened on May 29, 2026

[BUG] - Sign mismatch between docstrings and implementation in SNES_Poisson and SNES_Darcy

Status: Open.

#214 In underworldcode/underworld3;

· jcgraciosa opened on May 27, 2026

[BUG] - Navier-Stokes solver produces PETSc error when run in PARALLEL if using a regular UnstructuredSimplexBox or StructuredQuadBox mesh

Status: Open.

#212 In underworldcode/underworld3;

· jcgraciosa opened on May 26, 2026

[BUG] - Navier Stokes solver hangs in parallel if the domain has negative coordinates

Status: Open.

#211 In underworldcode/underworld3;

· jcgraciosa opened on May 26, 2026

[BUG] - extract_region's _build_vertex_map calls _get_kdtree() on CoordinateSystem, which has no such method

Status: Open.

#197 In underworldcode/underworld3;

· lmoresi opened on May 20, 2026

[BUG] - memory leak

Status: Open.

#176 In underworldcode/underworld3;

· bknight1 opened on May 9, 2026

Direct radial stress projection does not reproduce tau-based sigma_rr metrics

bugSomething isn't workingSomething isn't working

priority:mediumNormal priorityNormal priority

type:codeCode implementation reviewCode implementation review

Status: Open.

#158 In underworldcode/underworld3;

· gthyagi opened on Apr 29, 2026