parallel algorithm of trigonometric collocation method in nonlinear dynamics of rotors

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ID: 230448
2007
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Abstract
A parallel algorithm of a numeric procedure based on a method of trigonometric collocation is presented for investigating an unbalance response of a rotor supported by journal bearings. After a condensation process the trigonometric collocation method results in a set of nonlinear algebraic equations which is solved by the Newton-Raphson method. The order of the set is proportional to the number of nonlinear bearing coordinates and terms of the finite Fourier series. The algorithm, realized in the MATLAB parallel computing environment (DCT/DCE), uses message passing technique for interacting among processes on nodes of a parallel computer. This technique enables portability of the source code both on parallel computers with distributed and shared memory. Tests, made on a Beowulf cluster and a symmetric multiprocessor, have revealed very good speed-up and scalability of this algorithm.
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t.2007appliedparallel Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Musil T.;Jakl O.
Journal insect molecular biology
Year 2007
DOI
DOI not found
URL
http://www.kme.zcu.cz/acm/old_acm/full_papers/acm_vol1no2_p066.pdf
Keywords
applied mechanics rotor system parallel computationmechanics of engineering

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