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Volume 16 - Summer and Fall 2021                   ijmt 2021, 16 - Summer and Fall 2021: 29-40 | Back to browse issues page

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Hosseinlou F, Karami N, Dehghani Firoozabadi E, Jeddi E. Improvement of facilitated Jacket platform model using mixed dimensional coupling theory and modal testing. ijmt 2021; 16 :29-40
URL: http://ijmt.ir/article-1-760-en.html
1- Faculty of civil engineering and architecture, Shahid Chamran University of Ahvaz
2- Department of Civil Engineering, University of Qom
Abstract:   (831 Views)
The jacket structure is the key facility for the exploitation of marine resources. Offshore oil platforms located in an earthquake zone need to be analyzed for the structural response. A real offshore structure is always intricate and has to be idealized to diverse degree to fit in to the framework of the mathematical model for dynamic analysis. This work addresses the need for such a facilitated structural computation model. The planned scheme is based on laboratory work for improving the facilitated model. This study describes the scheme in employing the MDC associated with the GA method to create and update the facilitated structural model for analyzing the responses of a jacket platform. The facilitated modelling is first calculated based on MDC method, and then the platform model is refined and improved based on recorded modal features. Considering the presented model, the expense of analysis of jacket offshore structures is considerably reduced without incurring any loss of precision. Therefore, improvement of such approaches would be acutely beneficial to spread out technologies that can be applied for jacket structures with saving of both time and cost.
Full-Text [PDF 1295 kb]   (172 Downloads)    
Type of Study: Research Paper | Subject: Offshore Structure
Received: 2021/08/18 | Accepted: 2022/02/16

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