A novel nature inspired 3D open lattice structure for specific energy absorption

被引：60

作者：

Ashok, Dara ^{[1
]}

Bahubalendruni, M. V. A. Raju ^{[1
]}

Mertens, A. Johnney ^{[1
]}

Balamurali, Gunji ^{[2
]}

机构：

[1] Natl Inst Technol Puducherry, Dept Mech Engn, Multifunct Mat & Addit Mfg Lab, Karaikal 609609, Puducherry, India

[2] Vellore Inst Technol, Sch Mech Engn, Dept Design & Automat, Vellore 63014, Tamil Nadu, India

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING | 2022年 / 236卷 / 06期

关键词：

Specific energy absorption; biomimetic; multi layered structure; mechanical properties; 2; 5D closed thin-walled structures; nature inspired structures; MECHANICAL-PROPERTIES; DESIGN;

D O I：

10.1177/09544089221092894

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Energy absorption is a key performance criterion for several engineering structures. Lightweight lattice structures are better suited for this purpose. The convolute design patterns that exist in nature are proven effective for several engineering applications. In this paper, a George lily flower leaf is considered to build a novel 3D open lattice pattern for specific energy absorption (SEA) purposes. A multi-cellular specimen is designed and fabricated using Vat photopolymerization 3D printing process. Quasi-static compression tests have been conducted and the performance of proposed structure is compared with 2.5D closed thin-walled structures and found the proposed 3D open lattice structure has shown significant improvement in SEA over other thin-walled structures.

引用

页码：2434 / 2440

页数：7

共 22 条

[1]

[Anonymous], 1991, Standard test method for compressive properties of rigid cellular plastics, P1621, DOI DOI 10.1520/D1621-16.2

[2]

Dara A., 2022, MATER TODAY COMMUN, V31, DOI [/10.1016/j.mtcomm.2022.103286, DOI 10.1016/J.MTCOMM.2022.103286]

[3] Does Topology Optimization Exist in Nature? [J].