A Hybrid DSMC-Discontinuous Galerkin Finite Element Method for Rarefied Gas Flows

David A. Kessler; Andrew T. Corrigan; Timothy D. Holman

doi:10.2514/6.2018-1485

A Hybrid DSMC-Discontinuous Galerkin Finite Element Method for Rarefied Gas Flows

David A. Kessler
, Andrew T. Corrigan
, Timothy D. Holman

Department of Physics - at Bar-Ilan University

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

1 Scopus citations

Abstract

We describe a novel domain decomposition method for flows with combined continuum-and rarefied regions. The Navier-Stokes equations used in the continuum regions are solved using a discontinuous Galerkin finite element method (DGFEM) that allows for high-order solutions on unstructured meshes in smooth regions of the flow. The Direct Simulation Monte Carlo (DSMC) method is used to solve the flow in the rarefied regions. We discuss the special coupling procedures needed at the DGFEM-DSMC interface.

Original language	English
Title of host publication	2018 AIAA Aerospace Sciences Meeting
Subtitle of host publication	Session: Noncontinuum and High-Speed Flows
Place of Publication	Kissimmee, Florida
Publisher	American Institute of Aeronautics and Astronautics Inc, AIAA
Number of pages	1
Edition	210059
ISBN (Print)	9781624105241
DOIs	https://doi.org/10.2514/6.2018-1485
State	Published - 7 Jan 2018
Event	AIAA Aerospace Sciences Meeting, 2018 - Kissimmee, United States Duration: 8 Jan 2018 → 12 Jan 2018

Publication series

Name	AIAA Aerospace Sciences Meeting, 2018
Number	210059
Volume	0

Conference

Conference	AIAA Aerospace Sciences Meeting, 2018
Country/Territory	United States
City	Kissimmee
Period	8/01/18 → 12/01/18

Bibliographical note

Funding Information:
This work is sponsored by the Office of Naval Research through the NRL 6.1 Base Research Program. Computing resources were generously provided by the Department of Defense High Performance Computing Modernization Program.

Publisher Copyright:
© 2018 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.

Funding

This work is sponsored by the Office of Naval Research through the NRL 6.1 Base Research Program. Computing resources were generously provided by the Department of Defense High Performance Computing Modernization Program.

Access to Document

10.2514/6.2018-1485

https://arc.aiaa.org/doi/abs/10.2514/6.2018-1485

Cite this

Kessler, D. A., Corrigan, A. T., & Holman, T. D. (2018). A Hybrid DSMC-Discontinuous Galerkin Finite Element Method for Rarefied Gas Flows. In 2018 AIAA Aerospace Sciences Meeting: Session: Noncontinuum and High-Speed Flows (210059 ed.). (AIAA Aerospace Sciences Meeting, 2018; Vol. 0, No. 210059). American Institute of Aeronautics and Astronautics Inc, AIAA. https://doi.org/10.2514/6.2018-1485

Kessler, David A. ; Corrigan, Andrew T. ; Holman, Timothy D. / A Hybrid DSMC-Discontinuous Galerkin Finite Element Method for Rarefied Gas Flows. 2018 AIAA Aerospace Sciences Meeting: Session: Noncontinuum and High-Speed Flows. 210059. ed. Kissimmee, Florida : American Institute of Aeronautics and Astronautics Inc, AIAA, 2018. (AIAA Aerospace Sciences Meeting, 2018; 210059).

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abstract = "We describe a novel domain decomposition method for flows with combined continuum-and rarefied regions. The Navier-Stokes equations used in the continuum regions are solved using a discontinuous Galerkin finite element method (DGFEM) that allows for high-order solutions on unstructured meshes in smooth regions of the flow. The Direct Simulation Monte Carlo (DSMC) method is used to solve the flow in the rarefied regions. We discuss the special coupling procedures needed at the DGFEM-DSMC interface.",

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Kessler, DA, Corrigan, AT & Holman, TD 2018, A Hybrid DSMC-Discontinuous Galerkin Finite Element Method for Rarefied Gas Flows. in 2018 AIAA Aerospace Sciences Meeting: Session: Noncontinuum and High-Speed Flows. 210059 edn, AIAA Aerospace Sciences Meeting, 2018, no. 210059, vol. 0, American Institute of Aeronautics and Astronautics Inc, AIAA, Kissimmee, Florida, AIAA Aerospace Sciences Meeting, 2018, Kissimmee, United States, 8/01/18. https://doi.org/10.2514/6.2018-1485

A Hybrid DSMC-Discontinuous Galerkin Finite Element Method for Rarefied Gas Flows. / Kessler, David A.; Corrigan, Andrew T.; Holman, Timothy D.
2018 AIAA Aerospace Sciences Meeting: Session: Noncontinuum and High-Speed Flows. 210059. ed. Kissimmee, Florida: American Institute of Aeronautics and Astronautics Inc, AIAA, 2018. (AIAA Aerospace Sciences Meeting, 2018; Vol. 0, No. 210059).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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Kessler DA, Corrigan AT, Holman TD. A Hybrid DSMC-Discontinuous Galerkin Finite Element Method for Rarefied Gas Flows. In 2018 AIAA Aerospace Sciences Meeting: Session: Noncontinuum and High-Speed Flows. 210059 ed. Kissimmee, Florida: American Institute of Aeronautics and Astronautics Inc, AIAA. 2018. (AIAA Aerospace Sciences Meeting, 2018; 210059). doi: 10.2514/6.2018-1485

A Hybrid DSMC-Discontinuous Galerkin Finite Element Method for Rarefied Gas Flows

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