Abstract

Materials with a honeycomb structure have a cellular geometry, which reduces the amount of material used to achieve mass perfection of the finished structure. Due to the widespread application of honeycomp composite materials (structures), the need for developing the design methods exists. It is especially important to have design methods to guarantee the longevity and reliability of the elements of aviation structures during the exploitation. The peculiarities of operation such complicated elements as honey comb require consideration of existing of tough and soft layers, which work differently. The equations of motion of the three-layer plate with honeycomp filling are given. Some important issues of investigation based on this equation are described. In the paper, the questions of destructive and non-destructive diagnostics of composite constructions are discussed.

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