Analysis of failure mechanisms observed in axial collapse of thin-walled circular fibreglass composite tubes

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Natl Technical Univ of Athens, Athens, Greece [1 ]
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Thin-Walled Struct | / 4卷 / 335-352期
关键词：
Composite materials - Energy absorption - Failure analysis - Geometry - Mathematical models - Numerical analysis - Shells (structures) - Structural loads - Tubes (components);
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摘要：
Theoretical analysis of the failure mechanism of the stable mode of collapse of thin-walled fibreglass composite tubes under static axial compression, based on experimental observations and taking into account all possible energy absorbing mechanisms developed during the process, is reported. Crushing loads and the energy absorbed are theoretically predicted. The proposed theoretical model was experimentally verified for various composite materials and tube geometries and proved to be very efficient for theoretically predicting the energy absorbing capacity of the shell.
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