A Class of Asymptotic Annihilation Algorithms for Structural Dynamics

by Gregory M. Hulbert, Univ of Michigan, Ann Arbor, United States,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract: A class of time integration algorithms is presented that asymptotically annihilate high frequency response while introducing little dissipation in the low frequency regime. The algorithms are based upon using finite elements in time. Independent and equal-order interpolations are prescribed for the displacement and velocity fields. Results are presented demonstrating the improved performance of the proposed algorithms compared to commonly used time integration methods.

Subject Headings: Algorithms | Structural dynamics | Finite element method | Displacement (mechanics) | Dynamic structural analysis

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