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Parameterization of Topology and Geometry for the Multidisciplinary Optimization of Wing Structures

机译：机翼结构多学科优化的拓扑和几何参数化

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摘要

The paper presents a comprehensive parameterizationrnconcept to set up complex structural models for aircraftrnwings. The approach is applicable for design tasks withrna wide range of variation possibilities. This includesrnthe outer geometry of the wing, the topology of thernload carrying structure, and the sizes of structuralrncomponents like for example the thickness of the wingrnskin. The concept is based on a parametric approachrnusing parametric analytical functions that represent therngeometrical model of the wing and the housing wingrnbox. This model is the base for the finite elementrnmodel. Furthermore the design variables, thernconstraints, various interface models, and a model forrnfuel mass configurations can also be derived by thernparameterization concept. Various dimensioningrnprocesses for the wing structure are established, whichrncan be combined arbitrarily. For the sizingrnoptimization the wing structure, the weight is thernobjective function. Stress, buckling, and aeroelasticrnconstraints can be incorporated in the optimizationrntasks. An application finally shows the capabilities ofrnthe concept for a parameter study showing therninfluence of the stringer orientation on aileronrnefficiency.
机译：本文提出了建立飞机机翼复杂结构模型的综合参数化概念。该方法适用于具有多种变化可能性的设计任务。这包括机翼的外部几何形状，承载结构的拓扑结构以及结构组件的大小，例如机翼蒙皮的厚度。该概念基于使用参数分析函数的参数方法，该参数分析函数表示机翼和机壳翼盒的几何模型。该模型是有限元模型的基础。此外，设计变量，约束，各种接口模型以及燃料质量配置模型也可以通过参数化概念导出。建立了机翼结构的各种尺寸确定方法，可以任意组合。为了优化机翼结构的尺寸，重量是目标函数。应力，屈曲和气动弹性约束可以纳入优化任务中。一个应用程序最终展示了该概念进行参数研究的能力，该研究表明了桁条方向对副翼效率的影响。

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