A numerical model of 2-D sloshing of pseudo-viscous liquids in horizontally accelerated rectangular containers

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Description

A numerical model for simulating the transient nonlinear behavior of 2-D viscous sloshing flows in rectangular containers subjected to arbitrary horizontal accelerations is presented. The potential-flow formulation uses Rayleigh damping to approximate the effects of viscosity, and Lagrangian node movement is used to accommodate violent sloshing motions. A boundary element approach is used to efficiently handle the time-changing fluid geometry. Additionally, a corrected equation is presented for the constraint condition relating normal and tangential derivatives of the velocity potential where the fluid free surface meets the rigid container wall. The numerical model appears to be more accurate than previous sloshing ... continued below

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18 p.

Creation Information

Romero, V.J. & Ingber, M.S. July 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 23 times . More information about this article can be viewed below.

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  • Romero, V.J. Sandia National Labs., Albuquerque, NM (United States)
  • Ingber, M.S. New Mexico Univ., Albuquerque, NM (United States). Dept. of Mechanical Engineering

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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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Description

A numerical model for simulating the transient nonlinear behavior of 2-D viscous sloshing flows in rectangular containers subjected to arbitrary horizontal accelerations is presented. The potential-flow formulation uses Rayleigh damping to approximate the effects of viscosity, and Lagrangian node movement is used to accommodate violent sloshing motions. A boundary element approach is used to efficiently handle the time-changing fluid geometry. Additionally, a corrected equation is presented for the constraint condition relating normal and tangential derivatives of the velocity potential where the fluid free surface meets the rigid container wall. The numerical model appears to be more accurate than previous sloshing models, as determined by comparison against exact analytic solutions and results of previously published models.

Physical Description

18 p.

Notes

OSTI as DE95013860

Source

  • BEM 17: Boundary element methods, Madison, WI (United States), 17-19 Jul 1995

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  • Other: DE95013860
  • Report No.: SAND--95-1196C
  • Report No.: CONF-9507125--2
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 82271
  • Archival Resource Key: ark:/67531/metadc788990

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • July 1, 1995

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • April 13, 2016, 4:06 p.m.

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Romero, V.J. & Ingber, M.S. A numerical model of 2-D sloshing of pseudo-viscous liquids in horizontally accelerated rectangular containers, article, July 1, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc788990/: accessed April 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.