Applications of the dynamic stiffness matrix (DSM) based direct damping identification method

Date

2005-01-01

Author

Özgen, Gökhan Osman

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Two potential applications of a dynamic stiffness matrix (DSM) based direct damping matrix identification method are presented in this paper. The method was proposed to identify both the mechanism and spatial distribution of damping as a matrix of general function of frequency. First potential application is the analytical-experimental hybrid structural dynamics modeling, in which the model is constructed by combining analytically formulated mass and stiffness matrices with the experimentally identified damping matrix. Second application is the direct measurement of complex shear modulus of viscoleastic materials. The real and imaginary parts of the dynamic stiffness measured on a test setup that resembles a single degree of freedom system is used to compute the shear modulus and the loss factor of viscoelastic materials.

Subject Keywords

Scale models, Identification, Logistics

URI

https://hdl.handle.net/11511/35208

DOI

https://doi.org/10.4271/2005-01-2386

Collections

Department of Mechanical Engineering, Conference / Seminar

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Citation Formats

G. O. Özgen, “Applications of the dynamic stiffness matrix (DSM) based direct damping identification method,” 2005, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/35208.