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Optimal surface profile design of deployable mesh reflectors via a force density strategy (2016)
Journal Article
Liu, J., Yang, D., Zhang, S., & Zhang, Y. (2017). Optimal surface profile design of deployable mesh reflectors via a force density strategy. Acta Astronautica, 130, (137-146). doi:10.1016/j.actaastro.2016.10.008. ISSN 0094-5765

Based on a force density method coupled with optimal design of node positions, a novel approach for optimal surface profile design of mesh reflectors is presented. Uniform tension is achieved by iterations on coefficients of force density. The positi... Read More

Numerical modeling of shape and topology optimisation of a piezoelectric cantilever beam in an energy-harvesting sensor (2016)
Journal Article
Thein, C. K., & Liu, J. (2017). Numerical modeling of shape and topology optimisation of a piezoelectric cantilever beam in an energy-harvesting sensor. Engineering with Computers, 33(1), (137-148). doi:10.1007/s00366-016-0460-3. ISSN 0177-0667

Piezoelectric materials are excellent transducers for converting mechanical energy from the environment for use as electrical energy. The conversion of mechanical energy to electrical energy is a key component in the development of self-powered devic... Read More

Modelling and optimisation of a bimorph piezoelectric cantilever beam in an energy harvesting application (2016)
Journal Article
Gilbert, J., Liu, J., Ooi, B. L., & Thein, C. K. (2016). Modelling and optimisation of a bimorph piezoelectric cantilever beam in an energy harvesting application. Journal of Engineering Science and Technology, 11(2), 212-227

Piezoelectric materials are excellent transducers in converting vibrational energy into electrical energy, and vibration-based piezoelectric generators are seen as an enabling technology for wireless sensor networks, especially in self-powered device... Read More

Design optimization of TBM disc cutters for different geological conditions (2015)
Journal Article
Liu, J., Xia, Y., & Zhang, K. (2015). Design optimization of TBM disc cutters for different geological conditions. World Journal of Engineering and Technology, 3(4), (218-231). doi:10.4236/wjet.2015.34023. ISSN 2331-4222

A novel optimization methodology for the disc cutter designs of tunnel boring machines (TBM) was presented. To fully understand the characteristics and performance of TBM cutters, a comprehensive list of performance parameters were investigated, incl... Read More

The application of muscle wrapping to voxel-based finite element models of skeletal structures (2011)
Journal Article
O’Higgins, P., Liu, J., Shi, J., Fitton, L. C., O'Higgins, P., Phillips, R., & Fagan, M. J. (2011). The application of muscle wrapping to voxel-based finite element models of skeletal structures. Biomechanics and Modeling in Mechanobiology, 11(1-2), 35-47. doi:10.1007/s10237-011-0291-5

Finite elements analysis (FEA) is now used routinely to interpret skeletal form in terms of function in both medical and biological applications. To produce accurate predictions from FEA models, it is essential that the loading due to muscle action i... Read More

Combining geometric morphometrics and functional simulation: an emerging toolkit for virtual functional analyses (2010)
Journal Article
O'Higgins, P., Cobb, S. N., Fitton, L. C., Gröning, F., Phillips, R., Liu, J., & Fagan, M. J. (2010). Combining geometric morphometrics and functional simulation: an emerging toolkit for virtual functional analyses. Journal of anatomy, 218(1), 3-15. doi:10.1111/j.1469-7580.2010.01301.x

The development of virtual methods for anatomical reconstruction and functional simulation of skeletal structures offers great promise in evolutionary and ontogenetic investigations of form-function relationships. Key developments reviewed here inclu... Read More

Validating a voxel-based finite element model of a human mandible using digital speckle pattern interferometry (2009)
Journal Article
Gröning, F., Liu, J., Fagan, M. J., & O'Higgins, P. (2009). Validating a voxel-based finite element model of a human mandible using digital speckle pattern interferometry. Journal of biomechanics, 42(9), (1224-1229). doi:10.1016/j.jbiomech.2009.03.025. ISSN 0021-9290

Finite element analysis is a powerful tool for predicting the mechanical behaviour of complex biological structures like bones, but to be confident in the results of an analysis, the model should be validated against experimental data. In such valida... Read More