Developing auxetic composite system for protective engineering applications

Investigation of the auxetic oval structure for energy absorption through quasi-static and dynamic experiments

Steven Linforth, Tuan Ngo, Phuong Tran, Dong Ruan, Rami Odish

2021-01-01

Auxetics are structures and materials with a negative Poisson's ratio, meaning they contract in the direction perpendicular to the..

Nonlinear dynamic response and vibration of imperfect eccentrically stiffened sandwich third-order shear deformable FGM cylindrical panels in thermal environments

Nguyen D Duc, Duc Tuan Ngo, Tran Phuong, Q Quan Tran, Van Thanh Nguyen

2019-11-01

This study follows an analytical approach to investigate the nonlinear dynamic response and vibration of eccentrically stiffened s..

Hybrid-mesh modelling & validation of woven fabric subjected to medium velocity impact

Eric C Yang, Steven Linforth, Ngo Tuan, Tran Phuong

2018-08-01

Simulation of the ballistic impact on a woven fabric structure is known to be difficult due to their warp-weft yarn interlacing ge..

A polytree-based adaptive polygonal finite element method for multi-material topology optimization

Khai N Chau, Khanh N Chau, Ngo Tuan, Klaus Hackl, H Nguyen-Xuan

2018-04-15

This study presents a polytree-based adaptive methodology for multi-material topology optimization (MMTOP). Polytree data structur..

Design analysis of hybrid composite anti-ram bollard subjected to impulsive loadings

Tran Phuong, Steven Linforth, Tuan D Ngo, Raymond Lumantarna, Thuy Q Nguyen

2018-04-01

Series of terrorist attacks in Europe recently using vehicles lead to significant demands to improve the impact resistance of curr..

Design and characterisation of a tuneable 3D buckling-induced auxetic metamaterial

Xin Ren, Jianhu Shen, Tranc Phuong, Tuan D Ngo, Yi Min Xie

2018-02-05

Elastic instability has been increasingly used to design buckling-induced auxetic metamaterials. However, only limited patterns of..

Auxetic metamaterials and structures: a review

Xin Ren, Raj Das, Tran Phuong, Duc Ngo Tuan, Yi Min Xie

2018-02-01

Materials and structures with negative Poisson's ratio exhibit a counter-intuitive behaviour. Under uniaxial compression (tension)..

Auxetic nail: Design and experimental study

Xin Ren, Jianhu Shen, Tran Phuong, Duc Ngo Tuan, Yi Min Xie

2018-01-15

Under uniaxial compression (tension), auxetic materials would shrink (expand) laterally. It has been speculated that the auxetic p..

Bimaterial 3D printing and numerical analysis of bio-inspired composite structures under in-plane and transverse loadings

Phuong Tran, Tuan D Ngo, Abdallah Ghazlan, David Hui

2017-01-01

This work presents a novel design, additive manufacturing and modeling approach of three dimensional voronoi-based composite struc..

Three-dimensional modelling of auxetic sandwich panels for localised impact resistance

G Imbalzano, P Tran, TD Ngo, PVS Lee

2017-01-01

Sandwich panels with auxetic lattice cores confined between metallic facets are proposed for localised impact resistance applicati..

Three-dimensional Voronoi model of a nacre-mimetic composite structure under impulsive loading

Abdallah Ghazlan, Tuan D Ngo, Tran Phuong

2016-10-01

Nacre, the inner layer of mollusk shells holds the key to the development of an effective composite system for protecting structur..

A Numerical Study of Auxetic Composite Panels under Blast Loadings

G Imbalzano, P Tran, TD Ngo, P Lee

2016-01-01

Sandwich panels composed of auxetic cellular cores and metal facets are presented for blast resistance applications. The performan..

Design of a hybrid composite anti-ram bollard against impact

P Tran, S Linforth, R Lumantarna, T NGO

2016-01-01

Anti-ram bollards provide critical perimeter protection for buildings and infrastructures against threats such as vehicle borne im..

Design optimisation of auxetic composite structures under blast loading

G Imbalzano, P Tran, S Linforth, T NGO, P Lee

2016-01-01

Novel advanced manufacturing and material fabrication techniques led to the development of smart and lightweight composite panels...