A Bio-Inspired Lightweight Composite System for Blast and Impact Protection

Dual-mechanism auxetic-core protective sandwich structure under blast loading

Rajendra Prasad Bohara, Steven Linforth, Nguyen Tuan, Abdallah Ghazlan, Ngo Tuan

2022-08-13

This paper introduces a protective sandwich structure with simultaneous auxetic compression and tension behaviour (termed as the d..

Experimental study on damage magnification effect of lightweight auxetic honeycomb protective panels under close-in blast loads

Dulara Kalubadanage, Alex Remennikov, Tuan Ngo, Chang Qi

2022-06-09

Sandwich panels/sacrificial cladding systems composed of an auxetic core sandwiched between two faceplates can be considered an ef..

Performance of an auxetic honeycomb-core sandwich panel under close-in and far-field detonations of high explosive

Rajendra Prasad Bohara, Steven Linforth, Abdallah Ghazlan, Tuan Nguyen, Alex Remennikov, Tuan Ngo

2021-11-03

This paper aims to scrutinise the effectiveness of a re-entrant auxetic honeycomb-core sandwich panel (AHSP) to protect reinforced..

Novel lightweight high-energy absorbing auxetic structures guided by topology optimisation

Rajendra Prasad Bohara, Steven Linforth, Tuan Nguyen, Abdallah Ghazlan, Tuan Ngo

2021-09-20

This paper aims to develop lightweight high-performance auxetic structures for protective applications such as blast and impact en..

Automated simulation techniques for uncovering high-performance bioinspired cellular structures under blast loads

Abdallah Ghazlan, Tuan Ngo, Tay Son Le, Tu Van Le

2021-05-29

Trabecular bone possesses a complex hierarchical structure of plate- and strut-like elements, which is analogous to structural sys..

Performance of bio-inspired cross-laminated timber under blast loading-A numerical study

Van Tu Le, Abdallah Ghazlan, Tuan Nguyen, Tuan Ngo

2021-01-07

Cross-laminated timber (CLT) is recently attracting significant attention due to the high demand for environmentally friendly mate..

Performance of bio-mimetic cellular structures under impulsive loads

A Ghazlan, T Ngo, V Le, T Nguyen

2021-01-01

Re-entrant and honeycomb cellular structures have been extensively investigated by researchers in terms of mitigating the devastat..

Uncovering a high-performance bio-mimetic cellular structure from trabecular bone

Abdallah Ghazlan, Tuan Ngo, Tuan Nguyen, Steven Linforth, Tu Van Le

2020-12-28

The complex cellular structure of trabecular bone possesses lightweight and superior energy absorption capabilities. By mimicking ..

Dynamic increase factors for Radiata pine CLT panels subjected to simulated out-of-plane blast loading

Tu Van Le, Abdallah Ghazlan, Tuan Ngo, Alex Remennikov, Dulara Kalubadanage, Edward Chern Jinn Gan

2020-12-15

The construction industry, which accounts for almost 20% of Australia’s carbon emissions, is responding to climate change by incre..

Development limitations of compressive arch and catenary actions in reinforced concrete special moment resisting frames under column-loss scenarios

Tarek Almusallam, Yousef Al-Salloum, Hussein Elsanadedy, Ngo Tuan, Priyan Mendis, Husain Abbas

2020-12-01

The progressive collapse of structures, and reinforced concrete (RC) in particular, has recently been the focus of practicing stru..

Close-in blast resistance of large-scale auxetic re-entrant honeycomb sandwich panels

Dulara Kalubadanage, Alex Remennikov, Tuan Ngo, Chang Qi

2020-11-27

The protection of critical infrastructure, including government buildings, airports, religious buildings, military buildings and m..

Performance of a Bio-mimetic 3D Printed Conch-like Structure under Quasi-Static Loading

Tu Van Le, Abdallah Ghazlan, Tuan Ngo, Tuan Nguyen

2020-08-15

The conch shell is known for its excellent ability to initiate, deflect and bridge cracks to maintain its strength whilst enhancin..

Performance of a 3D printed cellular structure inspired by bone

Abdallah Ghazlan, Tuan Nguyen, Tuan Ngo, Steven Linforth, Van Tu Le

2020-06-01

Biological thin-walled cellular structures have intricate arrangements that facilitate lightweight and high energy absorption. A p..

Uncertainty quantification of the mechanical properties of lightweight concrete using micromechanical modelling

T Nguyen, A Ghazlan, T Nguyen, HT Thai, T Ngo

2020-05-01

This paper presents a micromechanical modelling framework for analysing the effects of microstructural uncertainties on the mechan..

Enhancing Toughness of Medium-Density Fiberboard by Mimicking Nacreous Structures through Advanced Manufacturing Techniques

A Ghazlan, T Ngo, P Tran, VT Le, T Nguyen, AS Whittaker, A Remennikov

2020-03-01

Medium-density fiberboard (MDF) is widely used in building construction. Due to its inherent brittleness, MDF is typically employe..

Geometrically nonlinear dynamic response and vibration of shear deformable eccentrically stiffened functionally graded material cylindrical panels subjected to thermal, mechanical, and blast loads

Nguyen Dinh Duc, Ngo Duc Tuan, Pham Hong Cong, Ngo Dinh Dat, Nguyen Dinh Khoa

2020-03-01

Based on the first order shear deformation shell theory, this paper presents an analysis of the nonlinear dynamic response and vib..

A bio-mimetic cellular structure for mitigating the effects of impulsive loadings - A numerical study

Abdallah Ghazlan, Tuan Ngo, Van Tu Le, Tuan Nguyen, Steven Linforth, Alex Remennikov, Andrew Whittaker

2020-02-25

Re-entrant and honeycomb cellular structures have shown potential for mitigating the effects of extreme loadings such as those imp..

Blast performance of a bio-mimetic panel based on the structure of nacre – A numerical study

Abdallah Ghazlan, Tuan Ngo, Tu Van Le, Tuan Nguyen, Alex Remennikov

2020-02-15

Nacre, the tough protective layer of a mollusk seashell, has a fracture toughness that is several orders of magnitude higher than ..

Simulation of cellular structures under large deformations using the material point method

Sina Sinaie, Duc Ngo Tuan, Alireza Kashani, Andrew S Whittaker

2019-12-01

Cellular materials and structures have been shown to be highly effective in the context of energy absorption systems. However, acc..

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..

A comprehensive review of selected biological armor systems - From structure-function to bio-mimetic techniques

Tu Van Le, Abdallah Ghazlan, Tuan Ngo, Tuan Nguyen, Alex Remennikov

2019-10-01

This paper explores several lamellar structures found in nature, which have been shown to possess superior armor systems. In parti..

Development and performance evaluation of large-scale auxetic protective systems for localised impulsive loads

A Remennikov, D Kalubadanage, T Ngo, P Mendis, G Alici, A Whittaker

2019-09-01

Cellular core structures with a negative Poisson’s ratio, also known as auxetic core structures, are gaining attention due to thei..

Vibration of cracked functionally graded microplates by the strain gradient theory and extended isogeometric analysis

Hoang X Nguyen, Elena Atroshchenko, Ngo Tuan, H Nguyen-Xuan, Thuc P Vo

2019-05-15

In this study, the vibration behaviours of functionally graded microplates with cracks are investigated by means of a simple yet r..

Effect of recycled glass fines on mechanical and durability properties of concrete foam in comparison with traditional cementitious fines

Alireza Kashani, Tuan D Ngo, Ailar Hajimohammadi

2019-05-01

This paper shows the potential benefits of using recycled glass fines as a sustainable and low-cost alternative compared to fly as..

The Dependence of Sea SAR Image Distribution Parameters on Surface Wave Characteristics

Jian Sun, Xin Wang, Xinzhe Yuan, Qingjun Zhang, Changlong Guan, Alexander V Babanin

2018-11-01

Modeling the statistical distribution of synthetic aperture radar (SAR) images is essential for sea target detection, which is an ..

Breach diameter analysis of concrete panels subjected to contact charge detonations

Alex M Remennikov, Jim Youssef, Tuan D Ngo, Igor Mentus

2018-10-01

This paper presents the results of an experimental study on the explosive breaching of concrete panels subjected to contact charge..

Validation of the material point method for the simulation of thin-walled Cheok for tubes under lateral compression

Sina Sinaie, Duc Ngo Tuan, Phu Nguyen Vinh, Timon Rabczuk

2018-09-01

This paper evaluates the performance of the material point method for the simulation of thin-walled tubes under lateral compressio..

A modified firefly algorithm-artificial neural network expert system for predicting compressive and tensile strength of high-performance concrete

Bui Dac-Khuong, Nguyen Tuan, Jui-Sheng Chou, H Nguyen-Xuan, Duc Ngo Tuan

2018-08-20

The compressive and tensile strength of high-performance concrete (HPC) is a highly nonlinear function of its constituents. The si..

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..

Changes in Ocean Heat Content Caused by Wave-Induced Mixing in a High-Resolution Ocean Model

Lachlan Stoney, Kevin JE Walsh, Steven Thomas, Paul Spence, Alexander V Babanin

2018-05-01

A parameterization of turbulent mixing from unbroken surface waves is included in a 16-yr simulation within a high-resolution ocea..

Winds near the Surface of Waves: Observations and Modeling

Alexander V Babanin, Jason McConochie, Dmitry Chalikov

2018-05-01

The concept of a constant-flux layer is usually employed for vertical profiling of the wind measured at some elevation near the oc..

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..

A discrete element model of concrete for cyclic loading

Sina Sinaie, Duc Ngo Tuan, Phu Nguyen Vinh

2018-02-01

This paper takes advantage of the discrete element method to develop a model of concrete for cyclic simulations. For this purpose,..

Blast resistance of auxetic and honeycomb sandwich panels: Comparisons and parametric designs

Gabriele Imbalzano, Steven Linforth, Duc Ngo Tuan, Peter Vee Sin Lee, Tran Phuong

2018-01-01

Equivalent sandwich panels composed of auxetic and conventional honeycomb cores and metal facets are analysed and compared for the..

Change of Regime of Air-Sea Dynamics in Extreme Metocean Conditions

Alexander V Babanin

2018-01-01

As a reference point for the extreme Metocean conditions, the hurricane-scale classification is often used: that is a tropical sto..

Influence of geometric and material parameters on the behavior of nacreous composites under quasi-static loading

Abdallah Ghazlan, Tuan D Ngo, Phuong Tran

2018-01-01

Biological structures, such as nacre from mollusk shells exhibit a tremendous balance of strength and toughness compared to tradit..

A novel three-variable shear deformation plate formulation: Theory and Isogeometric implementation

Tuan N Nguyen, Tuan D Ngo, H Nguyen-Xuan

2017-11-01

This study brings to readers the generalized formulation of three-variable plate theory and an efficient computational approach fo..

Can contemporary satellites estimate swell dissipation rate?

Haoyu Jiang, Alexander V Babanin, Qingxiang Liu, Justin E Stopad, Bertrand Chapron, Ge Chen

2017-11-01

Swell dissipation can influence air-sea interactions and is an error source in numerical models. Remote sensors, including altimet..

New approach to study nonlinear dynamic response and vibration of sandwich composite cylindrical panels with auxetic honeycomb core layer

Dinh Duc Nguyen, Kim Seung-Eock, Duc Tuan Ngo, Tran Phuong, Dinh Khoa Nguyen

2017-11-01

The main goal of this study is using analytical solution to investigate the nonlinear dynamic response and vibration of sandwich a..

Numerical simulations of ocean surface waves under hurricane conditions: Assessment of existing model performance

Qingxiang Liu, Alexander Babanin, Yalin Fan, Stefan Zieger, Changlong Guan, Il-Ju Moon

2017-10-01

Using the well-observed hurricane case Ivan (2004) as an example, we investigate and intercompare the performance of two wave mode..

A new simple shear deformation plate theory

Thai Huu-Tai, Nguyen Trung-Kien, Thuc P Vo, Ngo Tuan

2017-07-01

This paper proposes a new simple shear deformation theory for isotropic plates. The present theory involves one unknown and one go..

Thermal and mechanical stability of functionally graded carbon nanotubes (FG CNT)-reinforced composite truncated conical shells surrounded by the elastic foundations

Dinh Duc Nguyen, Hong Cong Pham, Duc Tuan Ngo, Tran Phuong, Van Thanh Nguyen

2017-06-01

The thermal and mechanical stability of a functionally graded composite truncated conical shell reinforced by carbon nanotube fibe..

Advanced wave modeling, including wave-current interaction

Alexander V Babanin, Andre van der Weshuijsen, Dmitry Chalikov, W Erick Rogers

2017-05-01

The paper outlines principles of phase-resolving and phase-average wave models, with emphasis on the state of the art of wave-curr..

Reconstructed Phase Space-Based Damage Detection Using a Single Sensor for Beam-Like Structure Subjected to a Moving Mass

Zhenhua Nie, Tuan Ngo, Hongwei Ma

2017-01-01

This paper presents a novel damage detection method based on the reconstructed phase space of vibration signals using a single sen..