期刊
THIN-WALLED STRUCTURES
卷 157, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2020.107147
关键词
P-lattice; Triply periodic minimal surfaces; Mechanical behavior; Energy absorption
资金
- National Natural Science Foundation of China [11802030, 11802031, 11902031]
- Beijing Municipal Science and Technology Project [Z181100004118002]
- Postdoctoral Science Foundation of China [2019M650503]
A novel P-lattice was proposed to meet the engineering needs of combined high specific stiffness, specific strength and superior energy absorption characteristic. The effective elastic properties and plastic strength of the novel P-lattice were adequately investigated through numerical simulation. Results indicated that more superior mechanical properties could be obtained in the proposed novel P-lattice when compared with those of the traditional lattices. Besides, the quasi-static energy absorption of the novel P-lattice was also studied and compared with the competing topologies. A higher energy absorption characteristic was obtained in the proposed novel P-lattice for the reason that three different deformation features, i.e. compression deformation, bending deformation and torsional deformation, existed in the P-lattice under loading.
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