首页> 外文会议>International Structural Engineering and Construction Conference(ISEC-03); 20050920-23; Shunan(JP) >Shape optimal design of a frequency constrained bridge structure presented as an elastic planar frame
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Shape optimal design of a frequency constrained bridge structure presented as an elastic planar frame

机译:呈弹性平面框架的频率受限桥梁结构的形状优化设计

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An approach to shape optimal design of planar frames subject to eigenfrequency constraints, displacements constraints and stress constraints is described. For the shape representation of the structure, a design element technique is used. A frame structure is treated as to be assembled from several design elements each of them being defined as a Bezier curve. The optimal design problem is defined in a general form and its solution, by employing gradient based methods of mathematical programming, is discussed briefly. The structural response analysis is based on a non-linear model. An example of the planar bridge structure is presented.
机译:描述了一种受到特征频率约束,位移约束和应力约束的平面框架形状优化设计的方法。对于结构的形状表示,使用设计元素技术。框架结构被视为由多个设计元素组装而成,每个设计元素都定义为贝塞尔曲线。以一般形式定义了最佳设计问题,并通过采用基于梯度的数学编程方法简要讨论了其解决方案。结构响应分析基于非线性模型。给出了平面桥结构的一个例子。

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