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Finite Element Modeling of Joint Contact Mechanics With Quadratic Tetrahedral Elements

[+] Author Affiliations
Steve A. Maas, Benjamin J. Ellis, David S. Rawlins, Jeffrey A. Weiss

University of Utah, Salt Lake City, UT

Paper No. SBC2013-14556, pp. V01BT55A020; 2 pages
doi:10.1115/SBC2013-14556
From:
  • ASME 2013 Summer Bioengineering Conference
  • Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions
  • Sunriver, Oregon, USA, June 26–29, 2013
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5561-4
  • Copyright © 2013 by ASME

abstract

Tetrahedral elements are one of the most popular finite element (FE) modeling primitives for complex, biological geometries, partially due to the availability of automatic meshing schemes for creating tetrahedral meshes. However, constant strain tetrahedral elements require a very fine mesh to obtain accurate solutions, and these elements can lock, yielding overly stiff results [1].

Copyright © 2013 by ASME

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