Multiphysics simulations: Challenges and opportunities

Abstract

We consider multiphysics applications from algorithmic and architectural perspectives, where ‘‘algorithmic’’ includes both mathematical analysis and computational complexity, and ‘‘architectural’’ includes both software and hardware environments. Many diverse multiphysics applications can be reduced, en route to their computational simulation, to a common algebraic coupling paradigm. Mathematical analysis of multiphysics coupling in this form is not always practical for realistic applications, but model problems representative of applications discussed herein can provide insight. A variety of software frameworks for multiphysics applications have been constructed and refined within disciplinary communities and executed on leading-edge computer systems. We examine several of these, expose some commonalities among them, and attempt to extrapolate best practices to future systems. From our study, we summarize challenges and forecast opportunities.

DOI: 10.1177/1094342012468181

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@article{Keyes2013MultiphysicsSC, title={Multiphysics simulations: Challenges and opportunities}, author={David E. Keyes and Lois C. McInnes and Carol S. Woodward and William Gropp and Eric Myra and Michael Pernice and John Bell and Jed Brown and Alain Clo and Jeffrey M. Connors and Emil M. Constantinescu and Donald J. Estep and Kate Evans and Charbel Farhat and Ammar Hakim and Glenn Hammond and Glen Hansen and Judith Hill and Tobin Isaac and Xiangmin Jiao and Kirk E. Jordan and Dinesh K. Kaushik and Efthimios Kaxiras and Alice E. Koniges and Kihwan Lee and Aaron Lott and Qiming Lu and John Magerlein and Reed Maxwell and Michael McCourt and Miriam Mehl and Roger P. Pawlowski and Amanda Peters Randles and Daniel R. Reynolds and B{\'e}atrice Rivi{\`e}re and Ulrich R{\"{u}de and Timothy D. Scheibe and John N. Shadid and Brendan Sheehan and Mark S. Shephard and Andrew R. Siegel and Barry Smith and Xianzhu Tang and Cian Wilson and Barbara I. Wohlmuth}, journal={IJHPCA}, year={2013}, volume={27}, pages={4-83} }