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首页> 外文期刊>Composite Structures >Analysis of fiber reinforced composite plates subjected to transverse impact in the presence of initial stresses
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Analysis of fiber reinforced composite plates subjected to transverse impact in the presence of initial stresses

机译：在初始应力作用下承受横向冲击的纤维增强复合材料板的分析

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The paper discusses the response of a large uniaxially reinforced graphite/epoxy composite plate with tensile pre-stresses in its plane when it is subjected to transverse impact loading. Sveklo's contact theory for orthotropic materials has been used to describe the interaction between the plate and the impactor. Both uniaxial and biaxial tensile pre-stresses have been considered and their effects on the contact force, contact duration and the central deflection of the plate have been evaluated. Whereas the effect on the contact force is marginal, the central deflection and the contact duration are influenced significantly by the pre-stresses. The pre-stress transverse to the direction of fibers plays a greater role vis-a-vis the pre-stress parallel to the fibers.
机译：本文讨论了大型单轴增强石墨/环氧复合材料板在承受横向冲击载荷时其平面中具有拉伸预应力的响应。正交各向异性材料的Sveklo接触理论已用于描述板与冲击器之间的相互作用。已经考虑了单轴和双轴拉伸预应力，并评估了它们对板的接触力，接触持续时间和中心挠度的影响。尽管对接触力的影响很小，但中心应力和接触时间受预应力的影响很大。横向于纤维方向的预应力相对于平行于纤维的预应力起更大的作用。

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