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|Title:||Dynamic stiffness and response analysis||Author(s):||Leung, Andrew Yee Tak||Issue Date:||1987||Publisher:||Taylor & Francis||Journal:||Dynamics and Stability of Systems||Volume:||2||Issue:||2||Start page:||125||End page:||137||Abstract:||
The dynamic stiffness method enables one to model an infinite number of natural modes by means of a finite number of degrees of freedom. The method has been extended to frame structures with uniform or non-uniform, straight or curved, damped or undamped beam members. An orthonormal condition is suggested here for the natural modes resulting from the dynamic stiffness method; modal analysis in the classical sense is then made possible. Modes corresponding to repeated natural frequencies are discussed in detail. An expansion theorem for expanding from a finite number of degrees of freedom by means of an infinite number of modes is validated by means of the frequency-dependent shape functions. Distributed modal participation factors are introduced for distributed excitations.
|URI:||https://repository.cihe.edu.hk/jspui/handle/cihe/3287||DOI:||10.1080/02681118708806032||CIHE Affiliated Publication:||No|
|Appears in Collections:||CIS Publication|
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