A 3-D Vortex Code for Parachute Flow Predictions: VIPAR Version 1.0

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Description

This report describes a 3-D fluid mechanics code for predicting flow past bluff bodies whose surfaces can be assumed to be made up of shell elements that are simply connected. Version 1.0 of the VIPAR code (Vortex Inflation PARachute code) is described herein. This version contains several first order algorithms that we are in the process of replacing with higher order ones. These enhancements will appear in the next version of VIPAR. The present code contains a motion generator that can be used to produce a large class of rigid body motions. The present code has also been fully coupled ... continued below

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86 pages

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Strickland, James H.; Homicz, Gregory F.; Porter, Vicki L. & Gossler, Albert A. July 1, 2002.

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This report 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 34 times . More information about this report can be viewed below.

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

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Description

This report describes a 3-D fluid mechanics code for predicting flow past bluff bodies whose surfaces can be assumed to be made up of shell elements that are simply connected. Version 1.0 of the VIPAR code (Vortex Inflation PARachute code) is described herein. This version contains several first order algorithms that we are in the process of replacing with higher order ones. These enhancements will appear in the next version of VIPAR. The present code contains a motion generator that can be used to produce a large class of rigid body motions. The present code has also been fully coupled to a structural dynamics code in which the geometry undergoes large time dependent deformations. Initial surface geometry is generated from triangular shell elements using a code such as Patran and is written into an ExodusII database file for subsequent input into VIPAR. Surface and wake variable information is output into two ExodusII files that can be post processed and viewed using software such as EnSight{trademark}.

Physical Description

86 pages

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  • Other Information: PBD: 1 Jul 2002

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  • Report No.: SAND2002-2174
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/808589 | External Link
  • Office of Scientific & Technical Information Report Number: 808589
  • Archival Resource Key: ark:/67531/metadc740481

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  • July 1, 2002

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 12, 2016, 3:14 p.m.

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Strickland, James H.; Homicz, Gregory F.; Porter, Vicki L. & Gossler, Albert A. A 3-D Vortex Code for Parachute Flow Predictions: VIPAR Version 1.0, report, July 1, 2002; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc740481/: accessed August 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.