Finite Element Evaluation of Thermoviscoplastic Responses of Geomechanical Media Under Finite Deformation

by C. S. Kim, Ohio State Univ, Columbus, United States,
S. H. Advani, Ohio State Univ, Columbus, United States,
J. K. Lee, Ohio State Univ, Columbus, United States,
T. S. Lee, Ohio State Univ, Columbus, United States,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract:

Finite deformation responses of fluid-saturated geological media with thermoviscoplastic solid constituent are evaluated using finite element methods. The coupled nonlinear governing equations are derived from the balance laws and the Clausius-Duhem inequality. The developed finite element methodologies are tested for one-dimensional consolidation and nuclear waste disposal models.

Subject Headings: Finite element method | Radioactive wastes | Consolidated soils | Waste disposal | Geology | Deformation (mechanics) | Soil deformation

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