A full-time coupled fatigue analysis method and system for offshore wind turbine foundations
An offshore wind turbine and fatigue analysis technology, which is applied to the testing, measuring devices, instruments, etc. of machinery/structural components, to achieve the effect of high calculation efficiency, simple and easy analysis method, and saving manpower and material cost.
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[0030] The basic full-time coupled fatigue analysis system of the offshore wind turbine of the present invention mainly includes a modeling module, a model output and storage module, a fatigue working condition load calculation module, and a fatigue life calculation module. The corresponding analysis method includes the following steps.
[0031] The first step is to use the SACS software to establish the fatigue analysis of the offshore wind turbine infrastructure model, and simulate the tower model based on the hub height to transmit the time history load at the hub and calculate the node fatigue of the offshore wind turbine infrastructure. For example, including 4 steel piles, supporting structure and tower tube, and input the spacing, length, diameter and wall thickness of the steel piles, the type of supporting structure and the length, diameter and wall thickness of the supporting steel pipe, the difference between the steel pile and the supporting structure The connection ty...
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