Determination of shear modulus of wood joists from torsion tests and relationship with modulus of elasticity (2018)
Presentation / Conference Contribution
Khokhar, A., & Zhang, J. (2018, August). Determination of shear modulus of wood joists from torsion tests and relationship with modulus of elasticity. Presented at World Conference on Timber Engineering, Seoul, Republic of Korea

This paper presents the work that was undertaken to use torsion tests to evaluate the shear modulus of wood joists. The relationship of the shear modulus with modulus of elasticity, obtained from bending tests, was examined. Testing standard EN408 h... Read More about Determination of shear modulus of wood joists from torsion tests and relationship with modulus of elasticity.

The use of artificial compressibility to improve partitioned semi-implicit FSI coupling within the classical Chorin–Témam projection framework (2018)
Journal Article
He, T., Wang, T., & Zhang, H. (2018). The use of artificial compressibility to improve partitioned semi-implicit FSI coupling within the classical Chorin–Témam projection framework. Computers and Fluids, 166, 64-77. https://doi.org/10.1016/j.compfluid.2018.01.022

Over the last decade the classical Chorin–Témam projection method has been utilized to address fluid- structure interaction in a semi-implicit manner. In previous studies the fluid projection step is fully coupled with the structural motion due to th... Read More about The use of artificial compressibility to improve partitioned semi-implicit FSI coupling within the classical Chorin–Témam projection framework.

A smoothed finite element approach for computational fluid dynamics: applications to incompressible flows and fluid–structure interaction (2018)
Journal Article
He, T., Zhang, H., & Zhang, K. (2018). A smoothed finite element approach for computational fluid dynamics: applications to incompressible flows and fluid–structure interaction. Computational Mechanics, https://doi.org/10.1007/s00466-018-1549-x

In this paper the cell-based smoothed finite element method (CS-FEM) is introduced into two mainstream aspects of computational fluid dynamics: incompressible flows and fluid–structure interaction (FSI). The emphasis is placed on the fluid gradient s... Read More about A smoothed finite element approach for computational fluid dynamics: applications to incompressible flows and fluid–structure interaction.

Evaluation of the End Effect Impact on the Torsion Test for Determining the Shear Modulus of a Timber Beam through a Photogrammetry Approach (2017)
Journal Article
Gharavi, N., Zhang, H., & Xie, Y. (2017). Evaluation of the End Effect Impact on the Torsion Test for Determining the Shear Modulus of a Timber Beam through a Photogrammetry Approach. Proceedings of the World Academy of Science, Engineering and Technology, 11(3), 666-669

The timber beam end effect in the torsion test is evaluated using binocular stereo vision system. It is recommended by BS EN 408:2010+A1:2012 to exclude a distance of two to three times of cross-sectional thickness (b) from ends to avoid the end effe... Read More about Evaluation of the End Effect Impact on the Torsion Test for Determining the Shear Modulus of a Timber Beam through a Photogrammetry Approach.

Using topology optimization technique to determine the optimized layout of steel reinforcing bars in concrete structures (2016)
Presentation / Conference Contribution
Li, M., Zhang, H., & Wong, S. H. F. (2016, June). Using topology optimization technique to determine the optimized layout of steel reinforcing bars in concrete structures. Presented at 5th International Conference on Engineering Optimization

This study presents an optimization procedure based on the modified Bi-directional evolutionary structural optimization (BESO) approach to optimize both location and orientation of discrete reinforcing steel bars within concrete structures, while sat... Read More about Using topology optimization technique to determine the optimized layout of steel reinforcing bars in concrete structures.

A Low Cost Non-Contact and Non-Destructive Method for Evaluating the Variation of the Shear Modulus for Glued Laminated Timber Beams using a Photogrammetric Approach (2015)
Presentation / Conference Contribution
Mohamed, A., Zhang, H., Smith, I., & Xiao, Z. (2015, September). A Low Cost Non-Contact and Non-Destructive Method for Evaluating the Variation of the Shear Modulus for Glued Laminated Timber Beams using a Photogrammetric Approach. Presented at Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing

This paper presents the experimental studies performed to investigate the feasibility of the proposed photogrammetric system for torsion tests. In this study, two binocular stereo systems were used to measure the surface rotation of timber glulam bea... Read More about A Low Cost Non-Contact and Non-Destructive Method for Evaluating the Variation of the Shear Modulus for Glued Laminated Timber Beams using a Photogrammetric Approach.

Timber gridshells: Numerical simulation, design and construction of a full scale structure (2015)
Journal Article
D'Amico, B., Kermani, A., Zhang, H., Pugnale, A., Colabella, S., & Pone, S. (2015). Timber gridshells: Numerical simulation, design and construction of a full scale structure. Structures, 3, 227-235. https://doi.org/10.1016/j.istruc.2015.05.002

Timber gridshell structures, such as the Multihalle for the federal garden festival in Mannheim or the Downland
Museum, have been the result of a creative–generative process that indissolubly ‘welded’ the structural contribution
to that of form exp... Read More about Timber gridshells: Numerical simulation, design and construction of a full scale structure.

Optimization of cross-section of actively bent grid shells with strength and geometric compatibility constraints (2015)
Journal Article
D’Amico, B., Kermani, A., Zhang, H., Shepherd, P., & Williams, C. (2015). Optimization of cross-section of actively bent grid shells with strength and geometric compatibility constraints. Computers and Structures, 154, 163-176. https://doi.org/10.1016/j.compstruc.2015.04.006

The use of bending as self forming process allows the realization of shape-resistant systems, such as grid shell structures. Here, a numerical method for optimisation of the cross-section of actively bent structures is introduced. For a given load di... Read More about Optimization of cross-section of actively bent grid shells with strength and geometric compatibility constraints.

A form finding method for post formed timber grid shell structures. (2014)
Presentation / Conference Contribution
D'Amico, B., Kermani, A., & Zhang, H. (2014, July). A form finding method for post formed timber grid shell structures. Presented at World Conference Timber Engineering

Timber grid shells provide efficient ways of covering large openings with relatively small amount of materials. With three-dimensional CAD software, it is now possible to model a free-form surface and discretize it in smaller straight elements, thus... Read More about A form finding method for post formed timber grid shell structures..

The Use of Torsion Test Method to Evaluate the Shear Properties of Timber Joists (2012)
Presentation / Conference Contribution
Khokhar, A., & Zhang, J. (2012, July). The Use of Torsion Test Method to Evaluate the Shear Properties of Timber Joists. Presented at World Conference on Timber Engineering (WCTE 2012)

This paper presents details of the experimental method and test results from a series of torsion tests undertaken to evaluate the shear modulus and shear strength of solid timber joist. The variation of shear modulus within and between test samples,... Read More about The Use of Torsion Test Method to Evaluate the Shear Properties of Timber Joists.

Digital image processing of weathered stone for determining the optimum cleaning level of stonework (2012)
Presentation / Conference Contribution
Humanyun, R., Zhang, H., & Zhang, B. (2012, July). Digital image processing of weathered stone for determining the optimum cleaning level of stonework. Presented at 14th International Conference and Exhibition on Structural Faults and Repair

In this study, the authors introduced a new image component sampling technique that can be used to evaluate level of cleaning of weathered masonry stone for historic buildings. The proposed technique is based on the Standard Pattern (SP). The images... Read More about Digital image processing of weathered stone for determining the optimum cleaning level of stonework.

Evaluation of shear constant of timber glulam composite with photogrammetric approach (2012)
Presentation / Conference Contribution
Zhang, H., Mohamed, A., & Smith, I. (2012, June). Evaluation of shear constant of timber glulam composite with photogrammetric approach. Presented at The Fourteenth International Conference on Computing in Civil and Building Engineering

Shear constant of timber glulam materials plays an important role in structural modelling, such as lateral torsional buckling of the glulam beam, floor vibration and stabilities of long span glulam girders. In normal design approach, a fraction of th... Read More about Evaluation of shear constant of timber glulam composite with photogrammetric approach.

An Industrial Knowledge Collaborative CAD System for Scaffolding Structures (2011)
Presentation / Conference Contribution
O'Neill, S., Zhang, H., & Pawelak, M. (2011, September). An Industrial Knowledge Collaborative CAD System for Scaffolding Structures. Presented at Proceedings of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing

Scaffolds are a form of temporary structure widely used throughout the construction industry for various purposes. Some common uses are to provide access, for storage of materials or as temporary support. The design of such structures is governed by... Read More about An Industrial Knowledge Collaborative CAD System for Scaffolding Structures.

Evaluation of the Shear Constant of a Timber Beam using a Photogrammetric Approach (2011)
Presentation / Conference Contribution
Zhang, H., Mohamed, A., & Xiao, Z. (2011, June). Evaluation of the Shear Constant of a Timber Beam using a Photogrammetric Approach. Presented at Proceedings of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing

The shear modulus is a fundamental mechanical property of wood that is used in general timber design [1,2,3]. Compared with other engineering materials, timber has relatively low shear stiffness in comparison to its modulus of elasticity, and so shea... Read More about Evaluation of the Shear Constant of a Timber Beam using a Photogrammetric Approach.

The shear strength and failure modes of timber joists obtained from the torsion test method. (2010)
Presentation / Conference Contribution
Khokhar, A. M., Zhang, H., & Ridley-Ellis, D. (2010, June). The shear strength and failure modes of timber joists obtained from the torsion test method. Presented at 11th World Conference on Timber Engineering 2010, Riva del Garda, Italy

This paper presents details of the experimental method and test results from a series of torsion tests undertaken to evaluate the shear strength of timber joists. The failure modes and the correlation of shear strength and torsional shear modulus we... Read More about The shear strength and failure modes of timber joists obtained from the torsion test method..

A study of cross-lamination of a multi-component liquid-retaining timber structure (2010)
Presentation / Conference Contribution
Savage, N., Kermani, A., & Zhang, H. (2010, July). A study of cross-lamination of a multi-component liquid-retaining timber structure. Presented at ICSA 2010 - 1st International Conference on Structures & Architecture

The orthotropic nature of timber creates issues with regards to dimensional stability and strength in most shell/surface structures and i particular in liquid-retaining wooden containers. Oak barrel, traditionally used for the transportation and stor... Read More about A study of cross-lamination of a multi-component liquid-retaining timber structure.

Optimisation of an oak container (2010)
Presentation / Conference Contribution
Savage, N., Kermani, A., & Zhang, H. (2010, June). Optimisation of an oak container. Presented at 10th World Conference on Timber Engineering

Traditional containers such as barrels, used in the transportation and storage of food and liquid, have been constructed from timber for thousands of years. The design of the container has evolved over time and the original design specifications have... Read More about Optimisation of an oak container.

Using OpenSees for structures in fire (2010)
Presentation / Conference Contribution
Usmani, A., Zhang, J., Jiang, Y., Kotsovinos, P., Zhang, J., & May, I. (2010, June). Using OpenSees for structures in fire. Presented at Structures in Fire - The Sixth International Conference, SiF'10

OpenSees is an open source object oriented software framework developed at UC Berekeley and currently supported by PEER and Nees. OpenSees has so far been focussed on providing an advanced computational tool for analysing the non-linear response of s... Read More about Using OpenSees for structures in fire.

Space-Time Finite Element Dynamic Analysis of Transfer Plate Structures in Tall Buildings (2009)
Presentation / Conference Contribution
Kuang, J., & Zhang, H. (2009, September). Space-Time Finite Element Dynamic Analysis of Transfer Plate Structures in Tall Buildings. Presented at Proceedings of the 12th International Conference on Civil, Structural and Environmental Engineering Computing

A new space-time finite element formulation for dynamic analysis of transfer plates is presented. The method is based on an unconventional Hamilton variational principle and a special technique in time domain interpolation is employed. For the simple... Read More about Space-Time Finite Element Dynamic Analysis of Transfer Plate Structures in Tall Buildings.

A semi-analytical method for plate and grid structures (2008)
Journal Article
Kuang, J. S., & Zhang, H. (2008). A semi-analytical method for plate and grid structures. Proceedings of the ICE - Engineering and Computational Mechanics, 161(3), 121-128. https://doi.org/10.1680/eacm.2008.161.3.121

In current design practice, analysis of plate and grid structures in civil engineering, such as waffle slabs, ribbed plates and slab-girder bridges, is based largely on code-specified approximate methods, and deflections of these systems are rarely e... Read More about A semi-analytical method for plate and grid structures.