Parallel mesh adaptation for highly evolving geometries with application to solid propellant rockets

Damrong Guoy, Terry Wilmarth, Phillip Alexander, Xiangmin Jiao, Michael Campbell, Eric Shaffer, Robert Fiedler, William Cochran, Pornput Suriyamongkol

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We describe our parallel 3-D surface and volume mesh modification strategy for large-scale simulation of physical systems with dynamically changing domain boundaries. Key components include an accurate, robust, and efficient surface propagation scheme, frequent mesh smoothing without topology changes, infrequent remeshing at regular intervals or when triggered by declining mesh quality, a novel hybrid geometric partitioner, accurate and conservative solution transfer to the new mesh, and a high degree of automation. We apply these techniques to simulations of internal gas flows in firing solid propellant rocket motors, as various geometrical features in the initially complex propellant configuration change dramatically due to burn-back. Smoothing and remeshing ensure that mesh quality remains high throughout these simulations without dominating the run time.

Original languageEnglish (US)
Title of host publicationProceedings of the 16th International Meshing Roundtable, IMR 2007
Pages515-534
Number of pages20
DOIs
StatePublished - Dec 1 2008
Event16th International Meshing Roundtable, IMR 2007 - Seattle, WA, United States
Duration: Oct 14 2007Oct 17 2007

Publication series

NameProceedings of the 16th International Meshing Roundtable, IMR 2007

Other

Other16th International Meshing Roundtable, IMR 2007
Country/TerritoryUnited States
CitySeattle, WA
Period10/14/0710/17/07

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Modeling and Simulation

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