Space mapping techniques for a structural optimization problem governed by thep-Laplace equation

In this paper, the structural optimization problem of a deployable cable-frame antenna consisting of a cable network and a supporting frame is discussed in detail. Firstly, the initial equilibrium problem of the cable-frame antenna structure is discussed with emphasis on the realization convenience. An optimization model is proposed to get a set of uniformly distributed cable pretensions whilst satisfying the surface precision requirement. Secondly, the optimization of the member size and cable tensions are integrated in one optimization model in which both folded and deployed status are considered. Finally, a 10-meter antenna is optimized with good results which indicates that the proposed method is feasible and effective.

Download Full-text

A random tunneling algorithm for the structural optimization problem

Physical Chemistry Chemical Physics ◽

10.1039/b206251h ◽

2002 ◽

Vol 4 (19) ◽

pp. 4782-4788 ◽

Cited By ~ 33

Author(s):

Haiyan Jiang ◽

Wensheng Cai ◽

Xueguang Shao

Keyword(s):

Structural Optimization ◽

Optimization Problem ◽

Structural Optimization Problem

Download Full-text

Solution of the Structural Optimization Problem of a Multiagent Approach Based Cutter Design

Journal of Mechanical Engineering ◽

10.15407/pmach2019.01.053 ◽

2019 ◽

Vol 22 (1) ◽

pp. 53-59

Author(s):

Valerii Anosov ◽

◽

Lina Bohdanova ◽

Volodymyr Kolodiazhnyi ◽

Vadym Litovka ◽

...

Keyword(s):

Structural Optimization ◽

Optimization Problem ◽

Cutter Design ◽

Structural Optimization Problem

Download Full-text

Large Scale Structural Optimization With Linear Goal Programming

16th Design Automation Conference: Volume 2 — Optimal Design and Mechanical Systems Analysis ◽

10.1115/detc1990-0070 ◽

1990 ◽

Author(s):

Mohamed E. M. El-Sayed ◽

T. S. Jang

Keyword(s):

Structural Optimization ◽

Goal Programming ◽

Large Scale ◽

Optimization Problem ◽

Optimization Problems ◽

Minimum Weight ◽

Design Tool ◽

Linear Goal Programming ◽

Programming Techniques ◽

Structural Optimization Problem

Abstract This paper presents a method for solving large scale structural optimization problems using linear goal programming techniques. The method can be used as a multicriteria optimization tool since goal programming removes the difficulty of having to define an objective function and constraints. It also has the capacity of handling rank ordered design objectives or goals. The method uses finite element analysis, linear goal programming techniques and successive linearization to obtain the solution for the nonlinear goal optimization problems. The general formulation of the structural optimization problem into a nonlinear goal programming form is presented. The successive linearization method for the nonlinear goal optimization problem is discussed. To demonstrate the validity of the method, as a design tool, the solution of the minimum weight structural optimization problem with stress constraints for 10, 25 and 200 truss problems are included.

Download Full-text