ORCID Profile
0000-0002-0176-2686
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Research Topics
In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Top 5 Research Topics
ANZSRC Field of Research (FoR)
Structural Engineering | Civil Engineering | Solid Mechanics | Mechanical Engineering | Numerical Modelling and Mechanical Characterisation | Cad/Cam Systems | Mechanical Engineering | Structural Engineering | Nanomaterials | Manufacturing Engineering | Manufacturing Processes and Technologies (excl. Textiles) | Interdisciplinary Engineering Not Elsewhere Classified | Metals and Alloy Materials | Materials Engineering Not Elsewhere Classified | Interdisciplinary Engineering |
ANZSRC Socio-Economic Objective (SEO)
Structural metal products | Expanding Knowledge in Engineering | Education and Training Systems not elsewhere classified | Other | Instrumentation not elsewhere classified | Metals (composites, coatings, bonding, etc.) | Road safety | Rail transport | Housing | Civil | Civil | Industrial Instruments | Medical Instruments | Network Infrastructure Equipment | Coated Metal and Metal-Coated Products
Related Links
Publications
Lightweight Optimization Design of Structures with Multiple Cellular Materials
Publisher: World Scientific Pub Co Pte Ltd
Date: 11-2022
DOI: 10.1142/S1758825122500594
Abstract: Cellular materials have been widely applied to a lightweight design of structures. The mechanical properties of those materials depend on their microstructures at the microlevel/mesolevel, and the optimizaiton design of lightweight structures using multiple cellular materials is still challenging. This paper develops a topology optimization algorithm for a lightweight design of structures constructed by multiple cellular materials with specified microstructures. The mechanical properties of cellular materials are homogenized according to their microstructures and then integrated into topology optimization. The topology optimization problem is defined by minimizing structural compliance subject to a specified mass constraint. In order to identify the distribution of multiple cellular materials within the design domain, the multiple design variables are introduced based on the volume fractions of multiple cellular materials within each element. Meanwhile, the homogenized mechanical properties are linearly interpolated, and multiple floating projection constraints are imposed on the relaxed design variables to push them toward 0 or 1. Numerical ex les demonstrate the successful implementation of the proposed algorithm by the optimal distribution and selection of multiple cellular materials.
Acoustic performance of epoxy-based composites incorporating fluorescent single-walled carbon nanotubes
Publisher: Elsevier BV
Date: 10-2023
On-Demand Design of Tunable Complete Photonic Band Gaps based on Bloch Mode Analysis
Publisher: Springer Science and Business Media LLC
Date: 24-09-2018
DOI: 10.1038/S41598-018-32422-1
Abstract: The fundamental property of photonic crystals is the band gap effect, which arises from the periodic dielectric modulation of electromagnetic waves and plays an indispensable role in manipulating light. Ever since the first photonic-bandgap structure was discovered, the ability to tune its bandgap across a wide wavelength range has been highly desirable. Therefore, obtaining photonic crystals possessing large on-demand bandgaps has been an ever-attractive study but has remained a challenge. Here we present an analytical design method for achieving high-order two-dimensional photonic crystals with tunable photonic band gaps on-demand. Based on the Bloch mode analysis for periodic structures, we are able to determine the geometric structure of the unit cell that will realize a nearly optimal photonic band gap for one polarization between the appointed adjacent bands. More importantly, this method generates a complete bandgap for all polarizations, with frequencies tuned by the number of photonic bands below the gap. The lowest dielectric contrast needed to generate a photonic band gap, as well as conditions for generating complete bandgaps, are investigated. Our work first highlights the systematic approach to complete photonic band gaps design based on Bloch mode analysis. The physical principles behind our work are then generalized to other photonic lattices.
A finite-element approach to evaluating the size effects of complex nanostructures
Publisher: The Royal Society
Date: 12-2016
DOI: 10.1098/RSOS.160625
Abstract: The size effects that reveal the dramatic changes of mechanical behaviour at nanoscales have traditionally been analysed for regular beam systems. Here, the method of using finite-element analysis is explored with the intention of evaluating the size effects for complex nanostructures. The surface elasticity theory and generalized Young–Laplace equation are integrated into a beam element to account for the size effects in classical Euler–Bernoulli and Timoshenko beam theories. Computational results match well with the theoretical predictions on the size effect for a cantilever beam and a cubic unit cell containing 24 horizontal/vertical ligaments. For a simply supported nanowire, it is found that the results are very close to the experimental data. With the assumption that nanoporous gold is composed of many randomly connected beams, for the first time, the size effect of such a complex structure is numerically determined.
All-angle negative refraction flatlens with a broad bandwidth
Publisher: Elsevier BV
Date: 11-2017
Natural frequency optimization of structures using a soft-kill BESO method
Publisher: IOP Publishing
Date: 06-2014
Tunable bandgaps and acoustic characteristics of perforated Miura-ori phononic structures
Publisher: Elsevier BV
Date: 09-2023
Topology optimization of photonic structures for all-angle negative refraction
Publisher: Elsevier BV
Date: 09-2016
Realization of multidimensional sound propagation in 3D acoustic higher-order topological insulator
Publisher: AIP Publishing
Date: 12-10-2020
DOI: 10.1063/5.0023033
Abstract: Higher-order topological insulators (TIs) develop the conventional bulk-boundary correspondence theory and increase the interest in searching innovative topological materials. To realize a higher-order TI with a wide passband of one-dimensional (1D) and two-dimensional (2D) transportation modes, we design three-dimensional non-trivial and trivial sonic crystals whose combination mimics the Su–Schrieffer–Heeger model. The topological boundary states can be found at the interfaces, including the zero-dimensional corner state, 1D hinge state, and 2D surface state. The fabricated s le with the bent two-dimensional and one-dimensional acoustic channels exhibits the multidimensional sound propagation and verifies the mode transition among the complete bandgap, hinge mode, and surface mode. The bandwidth of the single-mode hinge state achieves a large relative bandwidth of 9.1% in which sound transports one-dimensionally without significant leak into the surfaces or the bulk. The higher-order topological states in the study pave the way for sound manipulation in multiple dimensions.
Shell buckling: from morphogenesis of soft matter to prospective applications
Publisher: IOP Publishing
Date: 20-07-2018
Abstract: Being one of the commonest deformation modes for soft matter, shell buckling is the primary reason for the growth and nastic movement of many plants, as well as the formation of complex natural morphology. On-demand regulation of buckling-induced deformation associated with wrinkling, ruffling, folding, creasing and delaminating has profound implications for erse scopes, which can be seen in its broad applications in microfabrication, 4D printing, actuator and drug delivery. This paper reviews the recent remarkable developments in the shell buckling of soft matter to explain the most representative natural morphogenesis from the perspectives of theoretical analysis in continuum mechanics, finite element analysis, and experimental validations. Imitation of buckling-induced shape transformation and its applications are also discussed for the innovations of sophisticated materials and devices in future.
Parametric studies and manufacturability experiments on smooth self-supporting topologies
Publisher: Informa UK Limited
Date: 23-07-2019
Observation of Emergent Dirac Physics at the Surfaces of Acoustic Higher‐Order Topological Insulators
Publisher: Wiley
Date: 26-06-2022
Abstract: Using 3D sonic crystals as acoustic higher‐order topological insulators (HOTIs), 2D surface states described by spin‐1 Dirac equations at the interfaces between the two sonic crystals with distinct topology but the same crystalline symmetry are discovered. It is found that the Dirac mass can be tuned by the geometry of the two sonic crystals. The sign reversal of the Dirac mass reveals a surface topological transition where the surface states exhibit zero refractive index behavior. When the surface states are gapped, 1D hinge states emerge due to the topology of the gapped surface states. The zero refractive index behavior and the emergent topological hinge states are confirmed experimentally. This study reveals a multidimensional Wannier orbital control that leads to extraordinary properties of surface states and unveils an interesting topological mechanism for the control of surface waves.
Topology optimization of microstructures for multi-functional graded composites
Publisher: Springer International Publishing
Date: 15-10-2015
Influence of thickness of composite layers on failure behaviors of carbon fiber reinforced plastics/aluminum alloy electromagnetic riveted lap joints under high-speed loading
Publisher: Elsevier BV
Date: 05-2018
Topology Optimization of Photonic and Phononic Crystals and Metamaterials: A Review
Publisher: Wiley
Date: 26-04-2019
Topological configuration analysis and design for foam filled multi-cell tubes
Publisher: Elsevier BV
Date: 2018
Topology optimization of composite structure using Bi-directional Evolutionary Structural Optimization method
Publisher: Elsevier BV
Date: 2011
Coding metalens with helical-structured units for acoustic focusing and splitting
Publisher: AIP Publishing
Date: 13-07-2020
DOI: 10.1063/5.0012784
Abstract: In this work, a helical structure with three spiral channels is employed to build the coding units of metalenses, which can provide high transmission efficiency with an arbitrary phase shift compared to air. The helical unit with the phase shift of π is used as logical unit 1, and the hollow tube filled with air is regarded as logical unit 0. By arranging these logical units in specific sequences, acoustic metalenses can achieve wave-field manipulation like acoustic focusing and splitting. The focusing efficiency as high as 41.5% is achieved. Meanwhile, the genetic algorithm is applied to seek the optimal arrangement of the bipartite units for 3D sound focusing. Simulations and experiments are conducted to demonstrate the proposed coding metalenses for molding the acoustic wave field in the desired manners.
Topology optimization of porous structures by considering acoustic and mechanical characteristics
Publisher: Elsevier BV
Date: 11-2023
Achieving Large Band Gaps in 2D Symmetric and Asymmetric Photonic Crystals
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 05-2017
Dual-Polarization Second-Order Photonic Topological Insulators
Publisher: American Physical Society (APS)
Date: 17-03-2021
Compressive behavior of luffa sponge material at high strain rate
Publisher: Trans Tech Publications, Ltd.
Date: 2013
DOI: 10.4028/WWW.SCIENTIFIC.NET/KEM.535-536.465
Abstract: The strain rate effect of luffa sponge material is an indispensable property for it to be used for acoustic, vibration, and impact energy absorption. Compressive tests at different strain rates on cylindrical column specimens of luffa sponge material were conducted over a wide density ranging from 24 to 64 kg/m 3 . A photographic technique was applied to measure the section area of the specimen with irregular shape. The mechanical properties of luffa sponge material at various strain rates were obtained based on this measurement. The dynamic data were compared to those of quasi-static experiments. It was found that compressive strength, plateau stress and specific energy absorption of luffa sponge material were sensitive to the rate of loading. Empirical formulae were developed for strength, densification strain and specific energy absorption at various strain rates in the macroscopic level by considering the luffa fiber as base material.
Broadband All-angle Negative Refraction by Optimized Phononic Crystals
Publisher: Springer Science and Business Media LLC
Date: 07-08-2017
DOI: 10.1038/S41598-017-07914-1
Abstract: All-angle negative refraction (AANR) of phononic crystals and its frequency range are dependent on mechanical properties of constituent materials and their spatial distribution. So far, it is impossible to achieve the maximum operation frequency range of AANR theoretically. In this paper, we will present a numerical approach for designing a two-dimensional phononic crystal with broadband AANR without negative index. Through analyzing the mechanism of AANR, a topology optimization problem aiming at broadband AANR is established and solved by bi-directional evolutionary structural optimization method. The optimal steel/air phononic crystal exhibits a record AANR range over 20% and its refractive properties and focusing effects are further investigated. The results demonstrate the multifunctionality of a flat phononic slab including superlensing effect near upper AANR frequencies and self-collimation at lower AANR frequencies.
Concurrent topology optimization of macrostructures and material microstructures for natural frequency
Publisher: Elsevier BV
Date: 09-2016
Multi-objective topology optimization of a vehicle door using multiple material tailor-welded blank (TWB) technology
Publisher: Elsevier BV
Date: 10-2018
A 3D space coiling metamaterial with isotropic negative acoustic properties
Publisher: AIP Publishing
Date: 18-12-2017
DOI: 10.1063/1.5005553
Abstract: We design a 3D acoustic metamaterial having a coiling resonant structure with high symmetry. Eigenstate analysis reveals that such a 3D metamaterial has two significant Mie-type eigenmodes, monopole and dipolar resonances. Large blocking of sound waves in the low-frequency range between monopole and dipolar resonances is observed numerically and experimentally. The effective properties extracted from the reflection and transmission coefficients show negative bulk modulus around the monopole resonant frequency and negative mass density around the dipolar resonant frequency. By employing the proposed two-scale model, the metamaterial system demonstrates the functionalities of sound cloaking and super-tunneling within a finite space.
Design and experimental validation of self-supporting topologies for additive manufacturing
Publisher: Informa UK Limited
Date: 24-07-2019
Australian Indigenous Clients with a Borderline Personality Disorder Diagnosis: A Contextual Review of the Literature
Publisher: Springer Science and Business Media LLC
Date: 30-05-2014
On the shape transformation of cone scales
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C6SM01805J
Abstract: The shape-morphing behaviours of some biological systems have drawn considerable interest over many years. This paper ulges that the opening and closing mechanism of pine cones is attributed to the self-bending of their scales, which undergo three states of humidity-driven deformation in terms of Föppl-von Kármán plate theory. Both numerical simulation and experimental measurement support the theoretical analysis, showing that the longitudinal principal curvature and the transverse principal curvature bifurcate at a critical humidity level according to the thickness and shape of scales. These findings help us understand the shape transformation of bilayer or multi-layer natural structures and gain insights into the design of transformable devices/materials with great potential in numerous applications.
A new multi-material topology optimization algorithm and selection of candidate materials
Publisher: Elsevier BV
Date: 12-2021
Inertia Effect on Buckling-Induced Auxetic Metamaterials
Publisher: SAGE Publications
Date: 06-2015
DOI: 10.1260/2041-4196.6.2.311
Abstract: Auxetic metamaterials have enhanced indentation and penetration resistance due to their high shear strength and modulus. Its auxetic performance under dynamic loading cases is an important property for shields and armour applications. In the present study, compressive tests at different impact velocities on buckling-induced auxetic metamaterials were conducted for two different initial geometries. A photographic technique was applied to measure the Poisson's ratio. When the dynamic data were compared with those of quasi-static experiments, it was found that the negative Poisson's ratio for the buckling-induced metamaterial is sensitive to the rate of loading, while the negative Poisson's ratio for the metamaterial with initial auxetic behaviour is insensitive to the loading rate. It was also found that the deformation pattern is similar to that in the quasi-static loading condition when the impact force measured by the test machine is dominated by the inertia force of the metamaterials.
Three-field floating projection topology optimization of continuum structures
Publisher: Elsevier BV
Date: 09-2022
Designing broad phononic band gaps for in-plane modes
Publisher: Elsevier BV
Date: 03-2018
Investigating size effects of complex nanostructures through Young-Laplace equation and finite element analysis
Publisher: AIP Publishing
Date: 23-11-2015
DOI: 10.1063/1.4935819
Abstract: Analytical studies on the size effects of a simply-shaped beam fixed at both ends have successfully explained the sudden changes of effective Young's modulus as its diameter decreases below 100 nm. Yet they are invalid for complex nanostructures ubiquitously existing in nature. In accordance with a generalized Young-Laplace equation, one of the representative size effects is transferred to non-uniformly distributed pressure against an external surface due to the imbalance of inward and outward loads. Because the magnitude of pressure depends on the principal curvatures, iterative steps have to be adopted to gradually stabilize the structure in finite element analysis. Computational results are in good agreement with both experiment data and theoretical prediction. Furthermore, the investigation on strengthened and softened Young's modulus for two complex nanostructures demonstrates that the proposed computational method provides a general and effective approach to analyze the size effects for nanostructures in arbitrary shape.
Fishnet metamaterial with double negative refractive index in blue region of visible spectrum
Publisher: SPIE
Date: 11-09-2013
DOI: 10.1117/12.2035386
Design of lattice structures with controlled anisotropy
Publisher: Elsevier BV
Date: 03-2016
Bi-directional evolutionary structural optimization for design of compliant mechanisms
Publisher: Trans Tech Publications, Ltd.
Date: 2013
DOI: 10.4028/WWW.SCIENTIFIC.NET/KEM.535-536.373
Abstract: This research presents a topology optimization approach based on Bi-directional Evolutionary Structural Optimization (BESO) for optimal design of compliant mechanisms. Due to the complexity of the design for various compliant mechanisms, a new multi-objective optimization model is established by considering the mechanism flexibility and structural stiffness simultaneously. The sensitivity analysis is performed by applying the adjoint sensitivity approach to both the kinematical function and the structural function. The sensitivity numbers are derived according to the variation of the objective function with respect to the design variables. Some numerical ex les are given to demonstrate the effectiveness of the proposed method for the design of various compliant mechanisms.
Topological design of 3D phononic crystals for ultra-wide omnidirectional bandgaps
Publisher: Springer Science and Business Media LLC
Date: 25-07-2019
Topology‐Optimized 3D Photonic Structures with Maximal Omnidirectional Bandgaps
Publisher: Wiley
Date: 20-09-2018
Concurrent topological design of composite thermoelastic macrostructure and microstructure with multi-phase material for maximum stiffness
Publisher: Elsevier BV
Date: 08-2016
Creating innovative and efficient structures and materials
Publisher: Trans Tech Publications, Ltd.
Date: 10-2013
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMM.438-439.439
Abstract: Novel and efficient structural and material designs can be realized by topology optimization that is capable of maximizing the performance of structural systems under given constraints. The bi-directional evolutionary structural optimization (BESO) method has been developed into an effective tool for topology optimization of load-bearing structures and materials. The latest advances of BESO are aimed at expanding its practical applications to a wider range of structural systems on both macro and micro scales. This paper presents recent developments of BESO for optimal design problems of a variety of structural systems ranging from buildings of large scales to materials of micro scales. Selected applications are introduced to demonstrate the capability of BESO. Ex les presented in this paper are based on research and industrial projects of the Centre for Innovative Structures and Materials (www.rmit.edu.au/research/cism) at RMIT University.
Inverse design of higher-order photonic topological insulators
Publisher: American Physical Society (APS)
Date: 05-2020
A Kirigami Approach to Forming a Synthetic Buckliball
Publisher: Springer Science and Business Media LLC
Date: 09-09-2016
DOI: 10.1038/SREP33016
Abstract: The shape transformation of some biological systems inspires scientists to create sophisticated structures at the nano- and macro- scales. However, to be useful in engineering, the mechanics of governing such a spontaneous, parallel and large deformation must be well understood. In this study, a kirigami approach is used to fold a bilayer planar sheet featuring a specific pattern into a buckliball under a certain thermal stimulus. Importantly, this prescribed spherical object can retract into a much smaller sphere due to constructive buckling caused by radially inward displacement. By minimizing the potential strain energy, we obtain a critical temperature, below which the patterned sheet exhibits identical principal curvatures everywhere in the self-folding procedure and above which buckling occurs. The applicability of the theoretical analysis to the self-folding of sheets with a ersity of patterns is verified by the finite element method.
Recent developments in evolutionary structural optimization (ESO) for continuum structures
Publisher: IOP Publishing
Date: 06-2014
Luffa sponge as a sustainable engineering material
Publisher: Trans Tech Publications, Ltd.
Date: 11-2012
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMM.238.3
Abstract: The paper presents the first scientific study of the stiffness, strength and energy absorption characteristics of the luffa sponge with a view to using it as an alternative sustainable engineering material for various practical applications. A series of compression tests on luffa sponge columns have been carried out. The stress-strain curves show a near constant plateau stress over a long strain range, which is ideal for energy absorption applications. It is found that the luffa sponge material exhibits remarkable stiffness, strength and energy absorption capacity that are comparable to those of some commonly-used metallic cellular materials. These properties are due to its light-weight base material, and its structural hierarchy at several length scales. Empirical formulae have been developed for stiffness, strength, densification strain and specific energy absorption at the macroscopic level by considering the luffa fiber as the base material. A comparative study shows that the luffa sponge material outperforms a variety of traditional engineering materials.
Concurrent Design of Structures and Materials Based on the Bi-Directional Evolutionary Structural Optimization
Publisher: Trans Tech Publications, Ltd.
Date: 10-2013
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMM.438-439.445
Abstract: Different from the independent optimization of macrostructures or materials, a two-scale topology optimization algorithm is developed in this paper based on the bi-directional evolutionary structural optimization (BESO) method for concurrently designing a macrostructure and its composite microstructure. The objective is to minimize the mean compliance of the structure which is composed of a two-phase composite. The effective properties of the composite are calculated through the homogenization method and integrated into the finite element analysis of the structure. Sensitivity analysis for the structure and microstructure is conducted by the adjoint method. Based on the derived sensitivity numbers, the BESO approach is applied for iteratively updating the topologies for both the structure at the macro level and the microstructure of composite at the micro level. Numerical ex les are presented to validate the effectiveness of the proposed optimization algorithm.
Topology optimization for maximizing buckling strength using a linear material model
Publisher: Elsevier BV
Date: 12-2023
Microstructural design for 2D photonic crystals with large polarization-independent band gaps
Publisher: Elsevier BV
Date: 11-2017
Two-scale dynamic optimal design of composite structures in the time domain using equivalent static loads
Publisher: Elsevier BV
Date: 05-2016
Bi-directional Evolutionary Structural Optimization on Advanced Structures and Materials: A Comprehensive Review
Publisher: Springer Science and Business Media LLC
Date: 19-11-2016
Related Organisations
No related organisations have been discovered for Xiaodong Huang.
Related Funding Activities
Discovery Projects - Grant ID: DP210103523
Start Date: 2021
End Date: 07-2024
Amount: $390,000.00
Funder: Australian Research Council
View Funded ActivityARC Future Fellowships - Grant ID: FT130101094
Start Date: 01-2014
End Date: 12-2019
Amount: $655,240.00
Funder: Australian Research Council
View Funded ActivityDiscovery Projects - Grant ID: DP1094403
Start Date: 2010
End Date: 2014
Amount: $325,000.00
Funder: Australian Research Council
View Funded ActivityDiscovery Projects - Grant ID: DP1094401
Start Date: 2010
End Date: 2014
Amount: $270,000.00
Funder: Australian Research Council
View Funded ActivityDiscovery Projects - Grant ID: DP0663184
Start Date: 2006
End Date: 12-2008
Amount: $260,000.00
Funder: Australian Research Council
View Funded ActivityIndustrial Transformation Training Centres - Grant ID: IC180100005
Start Date: 03-2019
End Date: 03-2025
Amount: $4,889,410.00
Funder: Australian Research Council
View Funded Activity