A model updating method based on radial basis function neural network(RBF) is proposed for an ANSYS finite element model of a prestressed large span rigid-continuous concrete bridge.This method utilized the finite element modal analysis under different design parameter conditions as input vector,and the elastic modulus,density of box girders,piers as output vector.The nonlinear relationship between the inputs and outputs is approximated through RBF.With the generalization of neutral network,combined with br...
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