Behavior of high frequency modal responses in non linear seismic analysis

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Behavior of high frequency modal responses in non linear seismic analysis

Author: Dhileep. M , Trivedi. A , Bose.P.R | Size: 274 KB | Format: PDF | Quality: Unspecified | Publisher: NTERNATIONAL JOURNAL OF CIVIL AND STRUCTURAL ENGINEERING Volume 1, No 4, 2011 | Year: 2011 | pages: 9 | ISBN: 0976 – 4399

Practical difficulties associated with the non linear direct numerical integration of the
equations of motion leads to the use of non linear static pushover analysis of structures.
Pushover analysis is getting popular due to its simplicity. High frequency modes and
nonlinear effects may play an important role in stiff and/or irregular structures. The
contribution of higher modes in pushover analysis is not fully developed. The behavior of
high frequency modal responses in non linear seismic analysis of structures is not known.
In this paper an attempt is made to study the behavior of high frequency modal responses
in non linear seismic analysis of structures.

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