المستخلص: |
Calculations of the problems of contact with the dynamics are used in the study of the beams and plates rest on elastic medium, that of the hydraulic constructions and some parts of machines subjected to the dynamic forces. We present in this subject one that serves the dynamic calculation of a beam rest on elastic medium, because this type of structures is widely used in constructions. In addition, the technological development increases the dynamic effects on the constructions, which requires an anti-vibratory protection. Hence the need to improve the existing calculation methods of such structures or to propose new, more efficient calculation methods. This is why the proposed approach makes it possible to simultaneously determine the frequencies and natural form of a Boussinesq type elastic spring- based beam as well as its response to fixed sinusoidal dynamic loads.
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