The frame riveting of beams and stringers was simulated by the three methods.The bending,torsional stiffness and modal of three models were calculated using HyperWorks's Optistruct solver.The results indicate that the stiffness is bigger by rbe2 element to simulate riveting than by rbe2+beam elements.The differences of bending,torsional stiffness and modal frequency are less than 5%,which shows the three models are equivalent.Because of its simplicity and convenience,rbe2 connection is recommended to simula...
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