Finite Element Method Accuracy for Wave Propagation Problems

by Roger L. Kuhlemeyer, (A.M.ASCE), Asst. Prof. of Civ. Engrg.; Univ. of Calgary, Calgary, AB, Canada,
John Lysmer, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of California, Berkeley, CA,

Serial Information: Journal of the Soil Mechanics and Foundations Division, 1973, Vol. 99, Issue 5, Pg. 421-427

Document Type: Journal Paper


The purpose of this paper is presentation of the results of a study concerning the accuracy of displacements caused by a single, harmonic, one-dimensional elastic wave propagating through a finite element mesh. Results are presented for the steady-state response of a finite model of the semi-infinite elastic constrained rod; both the homogeneous and two material cases were analyzed.

Subject Headings: Finite element method | Wave propagation | Elastic analysis | Displacement (mechanics) | Steady states | Rods | Homogeneity | Material properties

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