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https://wiki.csiamerica.com/display/kb/Manual+multi-support+excitation
May 22, 2017 · Once the displacement time-history record is obtained from an acceleration record, ground motion may be applied to specific support restraints through manual multi-support excitation, described as follows:. At joints of interest, define a load pattern.This load pattern should apply unit values of joint displacement in the direction of applied acceleration.
http://opensees.berkeley.edu/wiki/index.php/Multi-Support_Excitation_Pattern
The Multi-Support pattern allows similar or different prescribed ground motions to be input at various supports in the structure. In OpenSees, the prescribed motion is applied using single-point constraints, the single-point constraints taking their constraint value …
https://www.scientific.net/paper-keyword/multi-support-excitation-mse
Abstract: As an important experiment way adopted in vibration test, response control method obtained more and more attention in recent years, this paper studied the multi-point response control under multi-support excitation in vibration environment test, deduced the transfer equation set between base control excitation and structure response.
https://nptel.ac.in/content/storage2/courses/105101004/downloads/05%20Chapter.pdf
Figure 5.3 A system subjected to multi-support excitations 5.5 Equations of Motion for MDOF System with Single-Support Excitation For single-support excitation, the same earthquake ground motion excites all the masses. As discussed in Section 5.2, the Equation (5.7) is the equation of motion for SDOF system,
https://opensiuc.lib.siu.edu/theses/1544/
The models were run under both multi-support excitation and identical-support excitation for displacement time-history analysis using SAP2000. Ratio of stresses and deflections were compared for the bridges with the same span length. According to this study, on 200 m asymmetrical bridge, multi-support excitation factored responses up to 4% ...Author: Arjun Subedi
https://www.researchgate.net/publication/287522993_Pseudo_excitation_method_applied_to_multi-dimensional_and_multi-support_excitations_in_ANSYS
The pseudo excitation method for multi-support seismic response analysis, which is a kind of high efficient random vibration analysis method, hasn ' …
http://opensees.berkeley.edu/community/viewtopic.php?p=78809
Apr 24, 2012 · I have a question about analyzing multi support excitation. To analyze multi support excitation problem, Opensees allows input data as displacement instead acceleration for the accuracy. But based on Dynamics of structure (9.7) written by Chopra, we need acceleration and velocity data as input data.
https://www.eng-tips.com/viewthread.cfm?qid=305980
Oct 26, 2011 · Hi. Please set an example of bridge model with multi support excitation consideration that modeled with SAP2000 V14. Thanks alot for useful site.
https://www.eng-tips.com/viewthread.cfm?qid=230066
Nov 08, 2008 · multi support seismic excitation multi support seismic excitation lsms (Structural) (OP) 4 Nov 08 02:36. Hi, would you please tell me how to define different acceleration time histories at different supports of a bridge model? I have sap2000 vergion 10. Sap defines only built in ground acceleration,
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