This paper presents the application of Artificial Neural Networks (ANN) in the identification of damage in simple engineering structures. The application of ANNs expands the nondestructive damage identification method using an additional parameter introduced to the structure. The input vector of the ANNs consists of the dynamic responses of a structure with additional mass. The output vector is composed of the position of damage and the extent of damage.
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This paper deals with the problem of free vibration of a system of elastically connected Timoshenko beams. The system of beams is a model of the three-member telescopic boom. The investigation concerns the transverse vibration of the boom. The solution of the problem has been obtained by applying a Green function method. The numerical results has been compared with those obtained by using the finite element method.
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