Shape Optimization in Laminated Composite Plates by Growth-Strain Method, Part One - Volume Control
The growth-strain method was applied to cutout optimization in laminated composite plates. Since the growth-strain method optimizes a shape by generating the bulk strain to make the distributed parameter uniform, the distributed parameter was chosen as Tsai-Hill value. In this study, of particular interest is to see whether the growth-strain method developed for shape optimization in isotropic media would work for laminated composite plates. In volume control of the growth-strain method, it makes Tsai-Hill value at each element uniform in laminated composite plates under the predetermined volume. The shapes optimized by Tsai-Hill fracture index were compared with those of the initial shapes for the various load conditions and predetermined volumes of laminated composite plates. As a result, it was verified that volume control of the growth-strain method worked very well for cutout optimization in laminated composite plates.
Kikuo Kishimoto, Masanori Kikuchi, Tetsuo Shoji and Masumi Saka
S. Y. Han et al., "Shape Optimization in Laminated Composite Plates by Growth-Strain Method, Part One - Volume Control", Key Engineering Materials, Vols. 261-263, pp. 833-838, 2004