Evaluation of Damping

  • Nozomu Yoshida
Part of the Geotechnical, Geological and Earthquake Engineering book series (GGEE, volume 36)


The equation of motion is introduced in Chap.  9 as
$$ m\ddot{u}+c\dot{u}+ ku=-m{\ddot{u}}_g, $$
$$ \ddot{u}+2h{\omega}_0\dot{u}+{\omega}_0^2u=-{\ddot{u}}_g $$
The damping term is recognized as the velocity proportional term in general. There is, however, more damping in the practice, which are listed in the following and will be explained in this chapter:


Seismic Response Engineering Practice Wave Scattering Spectral Ratio Neighboring Element 
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Copyright information

© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  • Nozomu Yoshida
    • 1
  1. 1.Department of Civil and Environment EngineeringTohoku Gakuin UniversityMiyagiJapan

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