A novel mechanical metamaterial with tailorable vibration damping and compression behavior
Mechanical Metamaterials are a novel category of engineered materials that feature extraordinary mechanical properties not commonly found in traditional materials. These specially engineered materials do not derive their unique properties from the composition of the base material, but rather from...
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2024
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sg-ntu-dr.10356-1761422024-05-18T16:54:00Z A novel mechanical metamaterial with tailorable vibration damping and compression behavior Tan, Eugene Xing Hao Zhou Kun School of Mechanical and Aerospace Engineering kzhou@ntu.edu.sg Engineering Mechanical metamaterial Tailorable vibration damping Finite element analysis Mechanical Metamaterials are a novel category of engineered materials that feature extraordinary mechanical properties not commonly found in traditional materials. These specially engineered materials do not derive their unique properties from the composition of the base material, but rather from the internal geometry of the metamaterial itself. In this report, a novel second-order hierarchical Mechanical Metamaterial, constructed from a conventional Octet-truss lattice with 3D Chiral lattice structure embedded within the trusses, is proposed as a space filling lattice, which possesses both superior mechanical properties and tailorable passive damping characterises. The addition of the 3D Chiral lattices would introduce laterally self-rotating elements into the Octet-truss lattice, which would disrupt the transmission of vibrations through the lattice by transforming the longitudinal waves to lateral ones, achieving a vibration damping effect. The efficacies of the mechanical properties and the frequency response characterizes of the proposed novel Mechanical Metamaterial will be evaluated and analyzed through the Finite Element Method as well as through experimental means. Laser Powder Bed Fusion Additive Manufacturing was employed to fabricate the various configuration of novel Mechanical Metamaterials evaluated to validate the results obtained from the Finite Element Analysis. Bachelor's degree 2024-05-14T01:53:53Z 2024-05-14T01:53:53Z 2024 Final Year Project (FYP) Tan, E. X. H. (2024). A novel mechanical metamaterial with tailorable vibration damping and compression behavior. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/176142 https://hdl.handle.net/10356/176142 en application/pdf Nanyang Technological University |
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Engineering Mechanical metamaterial Tailorable vibration damping Finite element analysis |
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Engineering Mechanical metamaterial Tailorable vibration damping Finite element analysis Tan, Eugene Xing Hao A novel mechanical metamaterial with tailorable vibration damping and compression behavior |
description |
Mechanical Metamaterials are a novel category of engineered materials that
feature extraordinary mechanical properties not commonly found in traditional
materials. These specially engineered materials do not derive their unique properties
from the composition of the base material, but rather from the internal geometry of the
metamaterial itself.
In this report, a novel second-order hierarchical Mechanical Metamaterial,
constructed from a conventional Octet-truss lattice with 3D Chiral lattice structure
embedded within the trusses, is proposed as a space filling lattice, which possesses
both superior mechanical properties and tailorable passive damping characterises. The
addition of the 3D Chiral lattices would introduce laterally self-rotating elements into
the Octet-truss lattice, which would disrupt the transmission of vibrations through the
lattice by transforming the longitudinal waves to lateral ones, achieving a vibration
damping effect.
The efficacies of the mechanical properties and the frequency response
characterizes of the proposed novel Mechanical Metamaterial will be evaluated and
analyzed through the Finite Element Method as well as through experimental means.
Laser Powder Bed Fusion Additive Manufacturing was employed to fabricate the
various configuration of novel Mechanical Metamaterials evaluated to validate the
results obtained from the Finite Element Analysis. |
author2 |
Zhou Kun |
author_facet |
Zhou Kun Tan, Eugene Xing Hao |
format |
Final Year Project |
author |
Tan, Eugene Xing Hao |
author_sort |
Tan, Eugene Xing Hao |
title |
A novel mechanical metamaterial with tailorable vibration damping and compression behavior |
title_short |
A novel mechanical metamaterial with tailorable vibration damping and compression behavior |
title_full |
A novel mechanical metamaterial with tailorable vibration damping and compression behavior |
title_fullStr |
A novel mechanical metamaterial with tailorable vibration damping and compression behavior |
title_full_unstemmed |
A novel mechanical metamaterial with tailorable vibration damping and compression behavior |
title_sort |
novel mechanical metamaterial with tailorable vibration damping and compression behavior |
publisher |
Nanyang Technological University |
publishDate |
2024 |
url |
https://hdl.handle.net/10356/176142 |
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1806059842533588992 |