Parallel Metric-Based Mesh Adaptation in PETSc using ParMmg
Joseph G. Wallwork, Matthew G. Knepley, Nicolas Barral, Matthew D., Piggott
TL;DR
This paper presents the integration of the ParMmg mesh adaptation toolkit into PETSc, enabling scalable anisotropic mesh adaptation for solving 3D Poisson problems with various right-hand sides.
Contribution
It introduces a new coupling of ParMmg with PETSc, expanding mesh adaptation capabilities for a broad user community.
Findings
Demonstrated scalable mesh adaptation in 3D Poisson problems
Enabled anisotropic mesh refinement in PETSc workflows
Validated functionality with diverse right-hand sides
Abstract
This research note documents the integration of the MPI-parallel metric-based mesh adaptation toolkit ParMmg into the solver library PETSc. This coupling brings robust, scalable anisotropic mesh adaptation to a wide community of PETSc users, as well as users of downstream packages. We demonstrate the new functionality via the solution of Poisson problems in three dimensions, with both uniform and spatially-varying right-hand sides.
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Taxonomy
TopicsComputational Geometry and Mesh Generation · Parallel Computing and Optimization Techniques · Computer Graphics and Visualization Techniques