CPC G01N 29/12 (2013.01) [G01N 29/36 (2013.01); G01N 2291/0231 (2013.01)] | 10 Claims |
1. A method of calculating sensitivity indices for structural stiffness and a viscous damping coefficient of a carbon composite material, using a computer or dedicated hardware, the method comprising:
collecting various types of data including measurement values obtained through a modal test on the carbon composite material to be analyzed;
calculating equivalent structural stiffness and an equivalent viscous damping coefficient of the carbon composite material to be analyzed, on the basis of the collected respective data;
converting the equivalent structural stiffness and the equivalent viscous damping coefficient into equivalent structural stiffness and an equivalent viscous damping coefficient in a particular direction with respect to a predetermined reference direction;
calculating the respective sensitivity indices according to a direction (angle) of carbon fiber by using the equivalent structural stiffness and the equivalent viscous damping coefficient resulting from the conversion; and
analyzing a relationship between the structural stiffness and the viscous damping coefficient of the carbon composite material to be analyzed, by using the respective sensitivity indices.
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