Multiphysics simulations: Challenges and opportunities

David E. Keyes, Lois Curfman McInnes, Carol S. Woodward, William D. Gropp, Eric S. Myra, Michael Pernice, John B. Bell, Jed Brown, Alain M. Clo, Jeffrey Mark Connors, Emil M. Constantinescu, Donald J. Estep, Katherine J. Evans, Charbel H. Farhat, Ammar H. Hakim, Glenn E. Hammond, Glen A. Hansen, Judith C. Hill, Tobin Isaac, Xiangmin JiaoKirk E. Jordan, Dinesh K. Kaushik, Efthimios Kaxiras, Alice E. Koniges, Kihwan Lee, Aaron Lott, Qiming Lu, John H. Magerlein, Reed M. Maxwell, Michael J. McCourt, Miriam Mehl, Roger P. Pawlowski, Amanda Peters Randles, Daniel R. Reynolds, Béatrice M. Rivière, Ulrich Rüde, Timothy D. Scheibe, John N. Shadid, Brendan Sheehan, Mark S. Shephard, Andrew R. Siegel, Barry F. Smith, Xianzhu Tang, Cian R G Wilson, Barbara Ian Wohlmuth

Research output: Contribution to journalArticlepeer-review

158 Scopus citations

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. © The Author(s) 2012.
Original languageEnglish (US)
Pages (from-to)4-83
Number of pages80
JournalInternational Journal of High Performance Computing Applications
Volume27
Issue number1
DOIs
StatePublished - Feb 7 2013

ASJC Scopus subject areas

  • Hardware and Architecture
  • Theoretical Computer Science
  • Software

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