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《Acta Materiae Compositae Sinica》 2017-01
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Tensile residual strength prediction of composite laminate with lightning strike thermal-mechanical coupling damage

YIN Junjie;LI Shulin;YAO Xueling;CHANG Fei;ZHANG Xianhang;Aeronautics and Astronautics Engineering College,Airforce Engineering University;The State Key Laboratory of Electrical Insulation and Power Equipment,Xi'an Jiao Tong University;  
For the sake of predicting residual strength of composite laminate with lightning strike thermal-mechanical coupling damage,stiffness matrix progressive damage degradation model was constructed to characterize composite lightning strike thermal-mechanical coupling damage based on continuum damage mechanics(CDM)method and phenomenological analysis method.An three dimensional model of composite laminate structure with lightning strike thermal-mechanical coupling damage was established based on progressive damage model and ABAQUS finite element simulation software.Combined with UMAT subroutine,residual strength prediction was accomplished under tensile load.The results show that excellent agreement between test data and numerical results is observed.The model constructed in this paper is capable to predict the tensile residual strength of composite laminate with lightning strike thermal-mechanical coupling damage.
【Key Words】: lightning strike thermal-mechanical coupling damage composite laminate progressive damage model continuum damage mechanics phenomenological analysis method tensile residual strength
【Fund】: 国家自然科学基金(51477132)
【CateGory Index】: V214.8
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