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On Fourier implementation of tolerance modeling of linear elastodynamics of periodic composites

Kula D.

Journal of Applied Mathematics and Computational Mechanics

2014

Vol. 13, nr 4

73--80

The report presents a new model of linear elastodynamics of periodic composites. The study deals with a certain extension of the ideas yield tolerance modelling. In the proposed model the displacement field is determined by an infinite number of unknowns. This disappointment seems to be apparent in many cases of periodicity since the sequence of tolerance shape functions used in the modelling procedure is not unique and opens the possibility to control the model equations. It has been formulated and solved, within the framework of the resulting model, the problem of independence short-term and long-term perturbations by linearly elastic composite solid.