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Article
A Simple Numerical Method of Cycle Jumps for Cyclically Loaded Structures
International Journal of Fatigue
  • D. Cojocaru, University of Delaware
  • Anette M Karlsson, Cleveland State University
Document Type
Article
Publication Date
12-1-2006
Abstract
A method for accelerated numerical simulations of structures subjected to cyclic loading is investigated. Of particular interest is a class of structures where the structural properties evolve with time. The proposed method is based on conducting detailed finite element analysis for a set of cycles to establish a trend line, extrapolating the trend line spanning many cycles, and use the extrapolated state as initial state for additional FEA simulations. This includes a control function that automatically monitors the length of the cycle jump to ensure a realistic solution. We compare the proposed method to a reference calculation, where all incremental cycles are conducted, and find that the cycle jump solution replicates the true solution.
DOI
10.1016/j.ijfatigue.2006.01.010
Version
Postprint
Citation Information
Cojocaru, D., and Karlsson, A. M., 2006, "A Simple Numerical Method of Cycle Jumps for Cyclically Loaded Structures," International Journal of Fatigue, 28(12) pp. 1677-1689.