Anisotropic materials represent a unique class of materials, including crystals, wood, thin-films, and composites. Existing work in the literature has provided the engineering community with an in-depth understanding of isotropic contact mechanics, and the methodologies for solving isotropic contact problems have been fully developed. Anisotropic material systems, however, are more complex and their analysis is less fully-developed in the literature. Presented here is the analysis of indentation by a rigid ellipsoidal indenter against an orthotropic half-space, with the surface of the half-space parallel to two of the axes of material symmetry, derived from stress equilibrium. A numerical method has been used to solve for the contact parameters (contact dimensions and normal approach) for both orthotropic and transversely isotropic material systems.
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April 2003
Technical Papers
Indentation of an Orthotropic Half-Space by a Rigid Ellipsoidal Indenter
Dongai Shi,
Dongai Shi
General Motors Technical Center, Warren, MI 48092
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Yuan Lin, Graduate Research Assistant,
Yuan Lin, Graduate Research Assistant
University of Notre Dame, Department of Aerospace and Mechanical Engineering, Notre Dame, IN 46556
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Timothy C. Ovaert, Mem. ASME
Timothy C. Ovaert, Mem. ASME
University of Notre Dame, Department of Aerospace and Mechanical Engineering, Notre Dame, IN 46556
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Dongai Shi
General Motors Technical Center, Warren, MI 48092
Yuan Lin, Graduate Research Assistant
University of Notre Dame, Department of Aerospace and Mechanical Engineering, Notre Dame, IN 46556
Timothy C. Ovaert, Mem. ASME
University of Notre Dame, Department of Aerospace and Mechanical Engineering, Notre Dame, IN 46556
Contributed by the Tribology Division for publication in the ASME JOURNAL OF TRIBOLOGY. Manuscript received by the Tribology Division March 9, 2000 revised manuscript received July 25, 2002. Associate Editor: M. D. Bryant.
J. Tribol. Apr 2003, 125(2): 223-231 (9 pages)
Published Online: March 19, 2003
Article history
Received:
March 9, 2000
Revised:
July 25, 2002
Online:
March 19, 2003
Citation
Shi, D., Lin, Y., and Ovaert, T. C. (March 19, 2003). "Indentation of an Orthotropic Half-Space by a Rigid Ellipsoidal Indenter ." ASME. J. Tribol. April 2003; 125(2): 223–231. https://doi.org/10.1115/1.1537743
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