Finite Dynamic Model For Infinite Mediaby John Lysmer,
Roger L. Kuhlemeyer,
Serial Information: Journal of the Engineering Mechanics Division, 1969, Vol. 95, Issue 4, Pg. 859-878
Document Type: Journal Paper
Abstract: A numerical method for the dynamic analysis of infinite continuous systems is developed. The method is applicable to systems for which all exciting forces and geometrical irregularities are confined to a limited region and is applicable to both transient and steady state problems. The infinite system is replaced by a system consisting of a finite region subjected to a boundary condition which simulates an energy absorbing boundary. The resulting systems may be analyzed by the finite element method. Examples applying the method to foundation vibration problems are presented. Good agreement with existing solutions is found and new results for embedded footings are presented.
Subject Headings: Finite element method | Dynamic analysis | System analysis | Dynamic models | Geometrics | Transient response
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