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Instability Assessment of Deep-Sea Risers Under Parametric Excitation |
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| Authors: | YANG He-zhen a LI Hua-jun b a State Key Laboratory of Ocean Engineering Shanghai Jiao Tong University Shanghai China b College of Engineering Ocean University of China Qingdao China |
| Institution: | [1]State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong Univershity, Shanghai 200240, China [2]College of Engineering, Ocean University of China, Qingdao 266100, China |
| Abstract: | This study deals with the nonlinear dynamic response of deep-sea risers subjected to parametric excitation at the top of a platform.As offshore oil and gas exploration is pushed into deep waters,difficulties encountered in deep-sea riser design may be attributed to the existence of parametric instability regarding platform heave motions.Parametric resonance in risers can cause serious damage which might bring disastrous accidents such as environment pollution,property losses and even fatalities.Therefore,th... |
| Keywords: | deep-sea riser parametric excitation instability vibration response |
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