A gridless technique for fluid/structural dynamic coupling on flexible membranes

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A gridless method has been developed for the simulation of coupled fluid/structural interactions over arbitrary bodies. This method uses Eulerian-based points arbitrarily distributed over the computational domain with no formal connectivity as typically required for a traditional grid. Comparisons are made with known exact solutions for simple two-dimensional model problems. Methods of improving the accuracy of the current implementation by using higher order approximations have been implemented. Accuracy improvement by using point adaption has been investigated. Plane strain and axisymmetric shells have been added to the code structural code PRONTO2D for future fluid/structural calculations. To date, coupled fluid/structure calculations have ... continued below

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82 p.

Creation Information

Wolfe, W.P.; Nelsen, J.M.; Baty, R.S.; Laguna, G.A.; Mello, F.J.; Hailey, C.E. et al. January 1, 1996.

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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 11 times . More information about this report can be viewed below.

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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 gridless method has been developed for the simulation of coupled fluid/structural interactions over arbitrary bodies. This method uses Eulerian-based points arbitrarily distributed over the computational domain with no formal connectivity as typically required for a traditional grid. Comparisons are made with known exact solutions for simple two-dimensional model problems. Methods of improving the accuracy of the current implementation by using higher order approximations have been implemented. Accuracy improvement by using point adaption has been investigated. Plane strain and axisymmetric shells have been added to the code structural code PRONTO2D for future fluid/structural calculations. To date, coupled fluid/structure calculations have not been made.

Physical Description

82 p.

Notes

OSTI as DE96006201

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  • Other Information: PBD: Jan 1996

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  • Other: DE96006201
  • Report No.: SAND--96-0199
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/201803 | External Link
  • Office of Scientific & Technical Information Report Number: 201803
  • Archival Resource Key: ark:/67531/metadc667602

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 13, 2016, 2:01 p.m.

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Wolfe, W.P.; Nelsen, J.M.; Baty, R.S.; Laguna, G.A.; Mello, F.J.; Hailey, C.E. et al. A gridless technique for fluid/structural dynamic coupling on flexible membranes, report, January 1, 1996; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc667602/: accessed April 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.