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Frequency sweep for a beam system with local unilateral contact modeling satellite solar arrays

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arxiv 0910.0091 v2 pith:6NVQ3EWL submitted 2009-10-01 math.NA cs.NA

Hamad Hazim (JAD) , B. Rousselet (JAD) This is my paper · ORCID
classification math.NAcs.NA
keywords dynamicarraysbecomesfrequencylinearpanelssatellitesolar
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In order to save mass of satellite solar arrays, the flexibility of the panels becomes not negligible and they may strike each other; this may damage the structure. To prevent this, rubber snubbers are mounted at well chosen points of the structure and they act as one sided linear spring; as a negative consequence, the dynamic of these panels becomes nonlinear. The finite element approximation is used to solve partial differential equations governing the structural dynamic. Frequency sweep has been performed numerically to study the dynamic behavior. Non linear normal modes are under study

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