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About the details, topology optimization is employed to design lattices with extreme directional tensile or shear properties subject to different volume fraction limits and the optimized lattices are categorized into groups according to their dominating properties. The novel candidate lattice is developed by combining the optimized elementary lattices, by picking up one from each group, and then parametrized with the elementary lattice relative densities. In this way, the LSTO design space is greatly expanded for the ever increased accessible material property range. Moreover, the effective material constitutive model of the candidate lattice subject to different elementary lattice combinations is pre-established so as to eliminate the tedious in-process repetitive homogenization. Finally, a few numerical examples and experiments are explored to validate the effectiveness of the proposed method. The superiority of the proposed method is proved through comparing with a few existing LSTO methods. The options of concurrent structural topology and lattice optimization are also explored for further enhancement of the mechanical performance.<\/jats:p>","DOI":"10.1093\/jcde\/qwab051","type":"journal-article","created":{"date-parts":[[2021,8,19]],"date-time":"2021-08-19T11:17:34Z","timestamp":1629371854000},"page":"1367-1390","source":"Crossref","is-referenced-by-count":31,"title":["A novel lattice structure topology optimization method with extreme anisotropic lattice properties"],"prefix":"10.1093","volume":"8","author":[{"given":"Chenghu","family":"Zhang","sequence":"first","affiliation":[{"name":"Center for Advanced Jet Engineering Technologies (CaJET), Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education), School of Mechanical Engineering, Shandong University, Jinan 250061, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jikai","family":"Liu","sequence":"additional","affiliation":[{"name":"Center for Advanced Jet 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