TY  - EJOU
AU  - Huo, Yuhang 
AU  - Tian, Ye 
AU  - Pu, Shiming 
AU  - Shi, Tielin 
AU  - Xia, Qi 

TI  - Bilateral Filter for the Optimization of Composite Structures
T2  - Computer Modeling in Engineering \& Sciences

PY  - 2021
VL  - 127
IS  - 3
SN  - 1526-1506

AB  - In the present study, we propose to integrate the bilateral filter into the Shepard-interpolation-based method for the optimization of composite structures. The bilateral filter is used to avoid defects in the structure that may arise due to the gap/overlap of adjacent fiber tows or excessive curvature of fiber tows. According to the bilateral filter, sensitivities at design points in the filter area are smoothed by both domain filtering and range filtering. Then, the filtered sensitivities are used to update the design variables. Through several numerical examples, the effectiveness of the method was verified.
KW  - Design optimization; composite structure; fiber angle optimization; bilateral filtering; Shepard interpolation; manufacturability constraints

DO  - 10.32604/cmes.2021.015694