Multiphysics simulations: Challenges and opportunities

DE Keyes, LC McInnes, C Woodward… - … Journal of High …, 2013 - journals.sagepub.com
We consider multiphysics applications from algorithmic and architectural perspectives,
where “algorithmic” includes both mathematical analysis and computational complexity, and …

Algorithms and data structures for massively parallel generic adaptive finite element codes

W Bangerth, C Burstedde, T Heister… - ACM Transactions on …, 2012 - dl.acm.org
Today's largest supercomputers have 100,000 s of processor cores and offer the potential to
solve partial differential equations discretized by billions of unknowns. However, the …

PUMI: Parallel unstructured mesh infrastructure

DA Ibanez, ES Seol, CW Smith… - ACM Transactions on …, 2016 - dl.acm.org
The Parallel Unstructured Mesh Infrastructure (PUMI) is designed to support the
representation of, and operations on, unstructured meshes as needed for the execution of …

Efficient mesh management in Firedrake using PETSc DMPlex

M Lange, L Mitchell, MG Knepley, GJ Gorman - SIAM Journal on Scientific …, 2016 - SIAM
The use of composable abstractions allows the application of new and established
algorithms to a wide range of problems, while automatically inheriting the benefits of well …

GridSAT: A chaff-based distributed SAT solver for the grid

W Chrabakh, R Wolski - Proceedings of the 2003 ACM/IEEE conference …, 2003 - dl.acm.org
We present GridSAT, a parallel and complete satisfiability solver designed to solve non-
trivial SAT problem instances using a large number of widely distributed and heterogeneous …

The Stellar decomposition: A compact representation for simplicial complexes and beyond

R Fellegara, K Weiss, L De Floriani - Computers & Graphics, 2021 - Elsevier
We introduce the Stellar decomposition, a model for efficient topological data structures over
a broad range of simplicial and cell complexes. A Stellar decomposition of a complex is a …

Parallel adaptive boundary layer meshing for CFD analysis

A Ovcharenko, K Chitale, O Sahni, KE Jansen… - Proceedings of the 21st …, 2013 - Springer
This paper describes a parallel procedure for anisotropic mesh adaptation with boundary
layers for use in scalable CFD simulations. The parallel mesh adaptation algorithm operates …

A parallel unstructured mesh infrastructure

S Seol, CW Smith, DA Ibanez… - 2012 SC Companion …, 2012 - ieeexplore.ieee.org
Two Department of Energy (DOE) office of Science's Scientific Discovery through Advanced
Computing (SciDAC) Frameworks, Algorithms, and Scalable Technologies for Mathematics …

Coupled multi-physics simulation frameworks for reactor simulation: a bottom-up approach

TJ Tautges, A Caceres, R Jain, HJ Kim, JA Kraftcheck… - 2011 - inis.iaea.org
ABSTRACT A “bottom-up” approach to multi-physics frameworks is described, where first
common interfaces to simulation data are developed, then existing physics modules are …

In-memory integration of existing software components for parallel adaptive unstructured mesh workflows

CW Smith, B Granzow, D Ibanez, O Sahni… - Proceedings of the …, 2016 - dl.acm.org
Reliable mesh-based simulations are needed to solve complex engineering problems.
Mesh adaptivity can increase reliability by reducing discretization errors, but requires …