Toward parallel, adaptive mesh refinement for chemically reacting flow simulations

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Adaptive numerical methods offer greater efficiency than traditional numerical methods by concentrating computational effort in regions of the problem domain where the solution is difficult to obtain. In this paper, the authors describe progress toward adding mesh refinement to MPSalsa, a computer program developed at Sandia National laboratories to solve coupled three-dimensional fluid flow and detailed reaction chemistry systems for modeling chemically reacting flow on large-scale parallel computers. Data structures that support refinement and dynamic load-balancing are discussed. Results using uniform refinement with mesh sequencing to improve convergence to steady-state solutions are also presented. Three examples are presented: a lid ... continued below

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6 p.

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Devine, K.D.; Shadid, J.N.; Salinger, A.G. Hutchinson, S.A. & Hennigan, G.L. December 1, 1997.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Adaptive numerical methods offer greater efficiency than traditional numerical methods by concentrating computational effort in regions of the problem domain where the solution is difficult to obtain. In this paper, the authors describe progress toward adding mesh refinement to MPSalsa, a computer program developed at Sandia National laboratories to solve coupled three-dimensional fluid flow and detailed reaction chemistry systems for modeling chemically reacting flow on large-scale parallel computers. Data structures that support refinement and dynamic load-balancing are discussed. Results using uniform refinement with mesh sequencing to improve convergence to steady-state solutions are also presented. Three examples are presented: a lid driven cavity, a thermal convection flow, and a tilted chemical vapor deposition reactor.

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6 p.

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OSTI as DE98000554

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  • 10. international conference on finite elements in fluids, Tucson, AZ (United States), 5-8 Jan 1998

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  • Other: DE98000554
  • Report No.: SAND--97-2540C
  • Report No.: CONF-980125--
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 563168
  • Archival Resource Key: ark:/67531/metadc696010

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  • December 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • May 5, 2016, 8:48 p.m.

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Devine, K.D.; Shadid, J.N.; Salinger, A.G. Hutchinson, S.A. & Hennigan, G.L. Toward parallel, adaptive mesh refinement for chemically reacting flow simulations, article, December 1, 1997; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc696010/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.