Parallel Topology Optimization of Bi-Material Layout for Vibration Control in Plate Structures

Abstract:

This paper presents a parallel implementation process for the structural dynamic topology optimization problem. An energy flow analysis based topology optimization model is established for the objective of vibration control. The structural vibrations are excited by time-harmonic external mechanical loading with prescribed frequency and amplitude. Design variables are parameterized using Bi-material Solid Isotropic Material with Penalization (SIMP) models and Method of Moving Asymptotes (MMA) is applied for variable updating. A Parallel Finite Element (PFE) model is constructed by re-group the original finite element model. Each PFE will be computed by different processor, and then assembles together to get the global response. The efficiency and stability can be improved, which has been illustrated in the results discussion section in the end of the paper.

• Periodical: Advanced Materials Research (Volumes 538-541)
• Pages: 2586-2593
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.538-541.2586
• Online since: June 2012
• Authors: Xiao Guang Xue, Guo Xi Li, Jing Zhong Gong, Bao Zhong Wu
• Keywords: Parallel Finite Element, Parallel Implementation, Topology Optimization, Vibration Control

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