A level set approach for computing solutions to incompressible two- phase flow II

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A level set method for capturing the interface between two fluids is combined with a variable density projection method to allow for computation of two-phase flow where the interface can merge/break and the flow can have a high Reynolds number. A distance function formulation of the level set method enables one to compute flows with large density ratios (1000/1) and flows that are surface tension driven; with no emotional involvement. Recent work has improved the accuracy of the distance function formulation and the accuracy of the advection scheme. We compute flows involving air bubbles and water drops, to name a ... continued below

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9 p.

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Sussman, M.; Fatemi, E.; Osher, S. & Smereka, P. June 1, 1995.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 427 times , with 7 in the last month . More information about this article can be viewed below.

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  • Sussman, M. Lawrence Livermore National Lab., CA (United States)
  • Fatemi, E.
  • Osher, S. Univ. of California , Los Angeles, CA (United States). Dept. of Math
  • Smereka, P. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Math

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Description

A level set method for capturing the interface between two fluids is combined with a variable density projection method to allow for computation of two-phase flow where the interface can merge/break and the flow can have a high Reynolds number. A distance function formulation of the level set method enables one to compute flows with large density ratios (1000/1) and flows that are surface tension driven; with no emotional involvement. Recent work has improved the accuracy of the distance function formulation and the accuracy of the advection scheme. We compute flows involving air bubbles and water drops, to name a few. We validate our code against experiments and theory.

Physical Description

9 p.

Notes

OSTI as DE95017067

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  • 6. international symposium on computational fluid dynamics, Lake Tahoe, NV (United States), 4-8 Sep 1995

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  • Other: DE95017067
  • Report No.: UCRL-JC--121224
  • Report No.: CONF-9509183--3
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 96940
  • Archival Resource Key: ark:/67531/metadc793662

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 1995

Added to The UNT Digital Library

  • Dec. 19, 2015, 7:14 p.m.

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  • Feb. 17, 2016, 1:10 p.m.

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Sussman, M.; Fatemi, E.; Osher, S. & Smereka, P. A level set approach for computing solutions to incompressible two- phase flow II, article, June 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc793662/: accessed August 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.