Investigation of soil-pile interaction is the foundation for fixed wind turbines design. It's necessary to find the methods to build different soil-pile-interaction models for the difference of modeling capability between the simulation codes and for time saving purpose. Taking the monopile as an example, three simplified models—distributed springs model, apparent fixity model and coupled springs model—were analyzed and derived. And a monopile was designed for the NREL 5-MW offshore wind turbine. The natural frequencies were calculated for the wind turbine with these simplified pile foundation models and a numerical model. From the results, it's reliable to use the simplified foundation models for dynamic response analysis of wind turbines. Finally, the characteristics, applications and the modeling methods of these simplified models are concluded.
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The Twenty-third International Offshore and Polar Engineering Conference
June 30–July 5, 2013
Anchorage, Alaska
Derivation and Validation of Soil-Pile-Interaction Models for Offshore Wind Turbines
Mingchao Wang;
Mingchao Wang
Shanghai Jiao Tong University
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Yongsheng Zhao;
Yongsheng Zhao
Shanghai Jiao Tong University
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Ruhong Jiang
Ruhong Jiang
Shanghai Jiao Tong University
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Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, Anchorage, Alaska, June 2013.
Paper Number:
ISOPE-I-13-091
Published:
June 30 2013
Citation
Wang, Mingchao, Zhao, Yongsheng, Du, Weikang, He, Yanping, and Ruhong Jiang. "Derivation and Validation of Soil-Pile-Interaction Models for Offshore Wind Turbines." Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, Anchorage, Alaska, June 2013.
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