AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
A PROPOSAL ON DAMPING MODEL DEPENDENT ON AMPLITUDE AND INDEPENDENT OF FREQUENCY
Koji YAMADA
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Keywords: Damping model, Numerical analysis, Amplitude dependence, No frequency dependence
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2002 Volume 8 Issue 15 Pages 105-108

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Abstract
A new damping model for time history analysis is proposed in this paper. This damping model is dependent on the amplitude and independent of the frequency. This model is composed of 3 bi-linear springs. Each spring has the different yield displacement and the different stiffness calculated from 3 damping ratios. User is required to define only yield displacements and damping ratios at the yield displacements. The displacement response with this damping model is different from the displacement response with stiffness proportional damping.
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© 2002 Architectural Institute of Japan
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