Adaptive smoothing techniques for 3-D unstructured meshes

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Description

To correctly capture the behavior of deforming material volumes in 3-D, the Los Alamos unstructured grid code X3D has access to a variety of moving mesh algorithms. The authors present two such algorithms which markedly differ in their computational complexity. The first algorithm, Moving finite Elements for Surfaces, has only 2-D computational complexity, in that they only solve for interface motions and obtain volume point motions through interpolation. The second algorithm, Minimum Error Gradient Adaption, has 3-D complexity, since the volume tetrahedral deformations must be computed. Naturally, the 3-D complexity algorithm can model realistically a larger class of physical problems ... continued below

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8 p.

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Kuprat, A. April 1, 1996.

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Description

To correctly capture the behavior of deforming material volumes in 3-D, the Los Alamos unstructured grid code X3D has access to a variety of moving mesh algorithms. The authors present two such algorithms which markedly differ in their computational complexity. The first algorithm, Moving finite Elements for Surfaces, has only 2-D computational complexity, in that they only solve for interface motions and obtain volume point motions through interpolation. The second algorithm, Minimum Error Gradient Adaption, has 3-D complexity, since the volume tetrahedral deformations must be computed. Naturally, the 3-D complexity algorithm can model realistically a larger class of physical problems than the lower complexity approach. They present examples in metallic grain growth and semiconductor process modeling.

Physical Description

8 p.

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OSTI as DE96009765

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  • 5. international conference on numerical grid generation in computational fluid dynamics and related fields, Starkville, MS (United States), 1-5 Apr 1996

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  • Other: DE96009765
  • Report No.: LA-UR--96-1116
  • Report No.: CONF-960489--4
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/226042 | External Link
  • Office of Scientific & Technical Information Report Number: 226042
  • Archival Resource Key: ark:/67531/metadc665761

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Creation Date

  • April 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Feb. 25, 2016, 1:11 p.m.

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Kuprat, A. Adaptive smoothing techniques for 3-D unstructured meshes, report, April 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc665761/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.