A study of numerical method for the coefficient identification problem in elastic wave field with real measured data

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In this research, we considered about the numerical method for the damage identification in steel-concrete composite beams by finite frequency data. The minimizing problem with constrained condition was produced by using the variational method and the Tikhonov type regularization technique. We proposed the iterated type algorithm by applying the projected gradient type method to our problem. By the numerical experiment with simulated and real data, we showed the efficiency of our method.