首页> 外文会议>3rd Contact Mechanics International Symposium Jun 17-21, 2001 Peniche, Portugal >SOLUTION METHODS FOR STRUCTURAL OPTIMIZATION IN CONTACT ROD PROBLEMS
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SOLUTION METHODS FOR STRUCTURAL OPTIMIZATION IN CONTACT ROD PROBLEMS

机译:接触杆问题中结构优化的解决方法

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摘要

We consider a material and shape optimization problem which involves a composite rod in contact with a rigid foundation. It is shown that the problem can be reduced to an optimization problem in some independent variables and some variables defined implicitly by the solution of a linear complementarity problem (LCP) with a positive definite matrix. A projected-gradient algorithm is proposed that incorporates an efficient LCP solver to compute function values and gradients. An example is included to illustrate the suitability of the proposed methodology.
机译:我们考虑了材料和形状优化问题,其中涉及到复合杆与刚性基础接触。结果表明,该问题可以通过使用正定矩阵对线性互补问题(LCP)进行求解而在某些自变量和某些隐式定义的变量中简化为优化问题。提出了一种投影梯度算法,该算法结合了高效的LCP求解器来计算函数值和梯度。包含一个示例来说明所提出方法的适用性。

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