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Transition Curvature of Soft Matrix Composite Laminates during Bending

机译:软基复合材料层合板弯曲过程中的过渡曲率

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As an Elastic memory composite (EMC) laminate is bent, the prebuckled plate theory is valid until the transition curvature at which point the postbuckled solution becomes effective. This is the point at which microbuckling is predicted to occur. From the point onward, EMC laminate follows the postbuckled solution. In this paper, a solution of the transition curvature is proposed by combining matrix shear energy with Timoshenko’s elastic foundation energy. By comparing with the intersection point of the straight line given by the prebuckled plate theory and the curve given by the postbuckled solution, the solution can be used to predict the point at which microbuckling is predicted to occur.
机译:当弹性记忆复合材料(EMC)层压板弯曲时,预屈曲板理论一直有效,直到后屈曲解决方案生效的过渡曲率为止。这是预测微屈曲发生的时间点。从此以后,EMC层压板将遵循后屈曲解决方案。本文通过结合矩阵剪切能和Timoshenko的弹性地基能量来提出过渡曲率的解决方案。通过与预屈曲板理论给出的直线的交点和后屈曲解给出的曲线的交点进行比较,该解可用于预测预测发生微屈曲的点。

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