The Use of Soil Mechanics Capabilities in a General Purpose Finite Element Programby Gustav A. Nystrom, Exxon Production Research Co, Houston, TX, USA,
Abstract: This paper describes capabilities, points out features of implementation in a general purpose code, and describes some numerical considerations. The paper makes use of illustrative solutions. The one-dimensional consolidation problem shows the effects of finite strain and a solution-dependent permeability which can result in a less permeable crust. Other problems show unstable strain softening behavior and stable hardening at large strains. A complicated axisymmetric problem outlines how the capabilities can be used to evaluate the installation, consolidation, and axial loading of a deep pile driven into normally consolidated clay.
Subject Headings: Consolidated soils | Computer models | Soil analysis | Strain hardening and softening | Axial loads | Standards and codes | Numerical methods
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