Identification of mechanical parameters of fiber-reinforced composites by frequency response function approximation method.

As can be seen from Table 4 , the elasticity moduli and computation time will be rising gradually with the increase of the selected total number of modes of the fiber-reinforced composite, and the theoretical calculation errors also show an increasing trend.

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With the decrease of calculation step size, the theoretical calculation errors show a decreasing trend compared with the ones provided by the manufacturer, but the time expenditures in the calculation will increase sharply.

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