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Structural Dynamic Analysis on a Parallel Computer: The Finite Element Machine


Storaasli, O.; Ransom, J.; Fulton, R.E. (1987) Computers and Structures, Vol. 26, No. 4, 55l-559.


Structural Analysis, Computer Aided Analysis, Computer Systems, Digital - Parallel Processing, Mathematical Techniques - Finite Element Method, Computer Programming - Algorithms, Mathematical Programming, Nonlinear, Multiple Instruction Multiple Data (Mimd) Computers, Transient Response Calculations, Newmark Beta Method


Recent and projected advances in parallel multiple instruction multiple data (MIMD) computers provide an opportunity for significant gains in computing speed and for broadening the range of structural problems which may be solved. The key to these gains is the effective selection and implementation of algorithms which exploit parallel computing. This paper documents experiences solving transient response calculations on an experimental MIMD computer, termed the Finite Element Machine. This paper describes the algorithm used, its implementation for parallel computations, and results for representative one- and two-dimensional dynamic response test problems. The results show computation speedups of up to 7. 83 for eight processors, and indicate that significant speedups of solution time are possible for nonlinear dynamic response calculations through the use of many processors and appropriate parallel integration algorithms.