A non-gradient approach for three dimensional topology optimization

Minh Ngoc Nguyen; Nha Thanh Nguyen; Minh Tuan Tran

doi:10.15625/2525-2518/59/3/14996

Author affiliations

Authors

Minh Ngoc Nguyen Department of Engineering Mechanics, Faculty of Applied Sciences, University of Technology,VNU-HCM, Viet Nam
Nha Thanh Nguyen Department of Engineering Mechanics, Faculty of Applied Sciences, University of Technology,VNU-HCM, Viet Nam
Minh Tuan Tran Department of Computational Engineering, Vietnamese –German University, Binh Duong, Viet Nam

DOI:

https://doi.org/10.15625/2525-2518/59/3/14996

Abstract

The present work is devoted to the extension of the non-gradient approach, namely Proportional Topology Optimization (PTO), for compliance minimization of three-dimensional (3D) structures. Two schemes of material interpolation within the framework of the solid isotropic material with penalization (SIMP), i.e. the power function and the logistic function are analyzed. Through a comparative study, the efficiency of the logistic-type interpolation scheme is highlighted. Since no sensitivity is involved in the approach, a density filter is applied instead of sensitivity filter to avoid checkerboard issue

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