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Reliability-based design optimisation of an aircraft wing structure with high-fidelity modelling

机译:高保真建模的机翼结构基于可靠性的设计优化

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摘要

We present reliability-based design optimisation of a simple aircraft wing based on performance measure approach. Catia is used as a parametric solid modeller while Abaqus is used to compute the structural response of the wing system. As an optimisation driver, Modefrontier, is used with sequential quadratic programming method. The core of the problem leans on the structural optimisation of a statically loaded wing. Weight and first modal frequency of that wing are optimised with stochastic parameters. The uncertainties concerning both yield strength and Young's modulus of the aluminium material will be analysed by the reliability analysis code developed in Matlab.
机译:我们提出了一种基于性能评估方法的基于可靠性的简单飞机机翼的设计优化。 Catia被用作参数实体建模器,而Abaqus被用于计算机翼系统的结构响应。作为优化驱动程序,Modefrontier与连续二次编程方法一起使用。问题的核心在于静态载荷机翼的结构优化。该机翼的重量和第一模态频率通过随机参数进行优化。关于铝材的屈服强度和杨氏模量的不确定性将通过Matlab中开发的可靠性分析代码进行分析。

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