考虑界面损伤层合梁板的层间应力分析
Analysis of interlaminar stress in composite laminated beam-plate with interfacial damage
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摘要: 基于精确应力分析的广义六自由度板理论，应用变分原理和损伤力学中的应变等效原理，考虑复合材料铺设层内和层间界面处的损伤效应，建立了具两种损伤模式的复合材料层合板的三维非线性平衡微分方程，且运用有限差分法对考虑损伤简支层合梁板的层间应力进行了求解.Abstract: Based on the general six-degrees-of-freedom plate theoryand the accurate stress analysis, using the variational principle and theequivalent strain theory in damage mechanics, the three-dimensionalnon-linear equilibrium differential equations for the interlaminarstresses of laminated plates with the damage effect of the intra-layers andthe interlaminar interface are derived in the framework of the theory ofelasticity. With a simply supported laminated beam-plate withdamage as an example, an analytical solution is presented by using finite differencemethod to obtain the interlaminar stresses.
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期刊类型引用(1)
1. 王正锦，王铁军. 油气井密封结构的变形与失效行为研究进展. 力学学报. 2019(03): 635-655 . 
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