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A Novel Design of the Offshore Wind Turbine Tripod Structure Using Topology Optimization Methodology by Feiyu Lu; Kai Long; Chengwan Zhang; Jinhua Zhang; Tao Tao is a Engineering article available to read on EtoBox.

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To achieve a design with the desired stiffness, strength, and durability at the component level, topology optimization has been practiced and was effective in the design of sustainable products, by autumnally allocating the available material within the design domain to form the shortest loading path. In the conceptual phase, this paper proposed a design methodology using topology optimization technique for lightweight design of a tripod structure - a typical form of foundation for offshore wind turbines (OWTs). The minimum compliance subject to prescribed volume percentage is formulated and an innovative tripod structure is generated by interoperating the optimized structure. To facilitate comparison, a tripod structure of a 5 MW OWT is referenced. The system performances are comprehensively and synthetically assessed, encompassing the natural frequency, maximum von Mises stress in ultimate load cases and cumulative fatigue damage. It is discovered that the total mass of the novel design is substantially less than that of the reference structure. In contrast, the fatigue resistance has been significantly enhanced. These finding reveal conclusively that the proposed topology optimi

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Author

Feiyu Lu; Kai Long; Chengwan Zhang; Jinhua Zhang; Tao Tao

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)