A simplified model for nonlinear dynamic analysis of steel column subjected to impact

2016 ◽  
Vol 86 ◽  
pp. 37-54 ◽  
Author(s):  
Piseth Heng ◽  
Mohammed Hjiaj ◽  
Jean-Marc Battini ◽  
Ali Limam
Author(s):  
Marco A. Souza ◽  
Osvaldo C. Pinto

Abstract A simplified model is used in the nonlinear dynamic analysis of fixed offshore platforms. The characteristics of the model are presented and its adequacy for the study is discussed. The action of ocean waves on the model is obtained using typical waves of the Brazilian coast. The nonlinear equation of motion is obtained in its exact form and is expanded up to the cubic term. A comparison between the nonlinear analysis and the linear dynamic analysis is presented. A comparison between experimental results and those obtained with the model is also presented.


2018 ◽  
Vol 156 ◽  
pp. 351-362 ◽  
Author(s):  
Yi Hui ◽  
Hou Jun Kang ◽  
Siu Seong Law ◽  
Zheng Qing Chen

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