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《Journal of Nanchang University(Engineering & Technology)》 1986-01
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Matrix-Condonsation Formulas for the Calculation of Vibrating Characters of Periodic Symmetric Structure

Hu Qiang  
The matrix-condensation formulas are further proposed for the calculation ofthe vibrating characters of the periodic symmetric structure on the basis of thereferences [1]、[2] and[3]. The order of the mat?ix of the eigenvalue problemin the formulas is only half as many as the freldoms of degrees of a period of thestructure, and is also only half as many as the order of the eigenvalue matrixin the original formulas of refer?nccs.
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