The Study of Fluid-Structure Interaction VIV of Steel Catenary Risers

LIU Juan;HUANG Weiping

Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (3) : 41-45.

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PDF(1491 KB)
Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (3) : 41-45.
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The Study of Fluid-Structure Interaction VIV of Steel Catenary Risers

  • LIU Juan1,2, HUANG Weiping1

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Abstract

With the exploration of oil and gas keeping into deep sea, Steel Catenary Risers (SCRs) became the preferred riser systems for the resource import and export, and vortex induced vibration (VIV) is the core problem in the design of SCRs. SCRs are modeled by small extensible slender rods with bending stiffness in the paper, and the two-way VIV model with fluid-structure interaction is proposed, the VIV of SCRs especially in the touch down point (TDP) is then studied based on the improved model. The cases studies show that the model can simulate the VIV of SCRs pretty well and can be used in the deepwater risers VIV analysis in uniform flow field; The VIV response of TDP is fairly large and complex, TDP should be taking as a key point in the VIV study of SCRs.



Key words

steel catenary riser / vortex induced vibration / small extensible slender rods / touch down point / fluid-structure interaction

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LIU Juan;HUANG Weiping. The Study of Fluid-Structure Interaction VIV of Steel Catenary Risers [J]. Journal of Vibration and Shock, 2014, 33(3): 41-45
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