Anonlinearfinite elementprogram takinginto accountofthe nonlinearshearstress strainrelationisused to simulatethe progressive damage ofcompositelaminates with a circularhole subjectedtotensileloading.Stress, strain,...Anonlinearfinite elementprogram takinginto accountofthe nonlinearshearstress strainrelationisused to simulatethe progressive damage ofcompositelaminates with a circularhole subjectedtotensileloading.Stress, strain,and ultimate strength ofthe laminate are analyzed. Comparison between calculated result and test data showsthatthe nonlinear approach gives more accurateresult,especiallyfororthotropiclaminate .Parametricstudy showsthatthe variation ofnonlinearfactorhas more effectontheresultfor orthotropic platethanforquasi isotropic plate.展开更多
文摘Anonlinearfinite elementprogram takinginto accountofthe nonlinearshearstress strainrelationisused to simulatethe progressive damage ofcompositelaminates with a circularhole subjectedtotensileloading.Stress, strain,and ultimate strength ofthe laminate are analyzed. Comparison between calculated result and test data showsthatthe nonlinear approach gives more accurateresult,especiallyfororthotropiclaminate .Parametricstudy showsthatthe variation ofnonlinearfactorhas more effectontheresultfor orthotropic platethanforquasi isotropic plate.
