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利用杂交元法建立了求解复合材料三维界面裂缝问题的杂交元计算模型，并将之应用于复合材料梁型试件应力强度因子的计算过程，从而为此类试件的断裂安全分析提供了充分的理论依据。
The hybrid element method was used to establish the computational model of hybrid element for solving the three-dimensional interface fracture of composite materials, which was applied to calculate the stress intensity factor of composite beam specimen, thus providing sufficient fracture safety analysis for such specimens The theoretical basis.