Truss Structural Optimization Based on Globally Convergent Version of MMA

Li Hua Guo; Wen Cheng Tang

doi:10.4028/www.scientific.net/AMR.694-697.2783

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 694-697Truss Structural Optimization Based on Globally...

Truss Structural Optimization Based on Globally Convergent Version of MMA

Abstract:

The subproblem of the globally convergent version of method of moving asymptotes (GCMMA) was deeply studied and realized by Lagrange dual method, sequential unconstrained minimization technique (SUMT) and conjugate gradient method. Based on the convex, separable and conservative properties of subproblem, a dual problem was built by using Lagrange dual method. The dual problem was transformed into unconstrained optimization problem using SUMT and solved by conjugate gradient method. Finally, the feasibility of solution of subproblem is demonstrated by truss structural optimization problem. Comparing with other optimization algorithms, GCMMA can converge to the global optimal solution.

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Periodical:

Advanced Materials Research (Volumes 694-697)

Pages:

2783-2786

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.694-697.2783

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Online since:

May 2013

Authors:

Li Hua Guo, Wen Cheng Tang

Keywords:

Globally Convergent Version of MMA (GCMMA), Lagrange Dual Method, Sequential Unconstrained Minimization Technique (SUMT), Truss Structural Optimization

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