I am a postdoctoral research fellow in the School of Mathematics and Physics.
My main research area is topology optimization. Please see my homepage at the School of Mathematics and Physics for more information.
Journal Article: Physically realizable three-dimensional bone prosthesis design with interpolated microstructures
Cramer, Andrew D. , Challis, Vivien J. and Roberts, Anthony P. (2017) Physically realizable three-dimensional bone prosthesis design with interpolated microstructures. Journal of Biomechanical Engineering, 139 3: 031013. doi:10.1115/1.4035481
Journal Article: Microstructure interpolation for macroscopic design
Cramer, Andrew D., Challis, Vivien J. and Roberts, Anthony P. (2015) Microstructure interpolation for macroscopic design. Structural and Multidisciplinary Optimization, 53 3: 1-12. doi:10.1007/s00158-015-1344-7
Journal Article: Failure modes in high strength and stiffness to weight scaffolds produced by Selective Laser Melting
Sercombe, Timothy B., Xu, Xiaoxue, Challis, V. J., Green, Richard, Yue, Sheng, Zhang, Ziyu and Lee, Peter D. (2015) Failure modes in high strength and stiffness to weight scaffolds produced by Selective Laser Melting. Materials and Design, 67 501-508. doi:10.1016/j.matdes.2014.10.063
(2011–2019) University of Western Australia
(2011–2012) UWA-UQ Bilateral Research Collaboration Award
New-generation parallel-computing cluster for the mathematical and physical sciences
(2011) UQ Major Equipment and Infrastructure
Microstructure Interpolation for Macroscopic Optimisation
(2017) Doctor Philosophy
Physically realizable three-dimensional bone prosthesis design with interpolated microstructures
Cramer, Andrew D. , Challis, Vivien J. and Roberts, Anthony P. (2017) Physically realizable three-dimensional bone prosthesis design with interpolated microstructures. Journal of Biomechanical Engineering, 139 3: 031013. doi:10.1115/1.4035481
Microstructure interpolation for macroscopic design
Cramer, Andrew D., Challis, Vivien J. and Roberts, Anthony P. (2015) Microstructure interpolation for macroscopic design. Structural and Multidisciplinary Optimization, 53 3: 1-12. doi:10.1007/s00158-015-1344-7
Failure modes in high strength and stiffness to weight scaffolds produced by Selective Laser Melting
Sercombe, Timothy B., Xu, Xiaoxue, Challis, V. J., Green, Richard, Yue, Sheng, Zhang, Ziyu and Lee, Peter D. (2015) Failure modes in high strength and stiffness to weight scaffolds produced by Selective Laser Melting. Materials and Design, 67 501-508. doi:10.1016/j.matdes.2014.10.063
High specific strength and stiffness structures produced using selective laser melting
Challis, Vivien J., Xu, Xiaoxue, Zhang, Lai Chang, Roberts, Anthony P., Grotowski, Joseph F. and Sercombe, Timothy B. (2014) High specific strength and stiffness structures produced using selective laser melting. Materials & Design, 63 783-788. doi:10.1016/j.matdes.2014.05.064
High resolution topology optimization using graphics processing units (GPUs)
Challis, Vivien J., Roberts, Anthony P. and Grotowski, Joseph F. (2014) High resolution topology optimization using graphics processing units (GPUs). Structural and Multidisciplinary Optimization, 49 2: 315-325. doi:10.1007/s00158-013-0980-z
Challis, Vivien J., Guest, James K., Grotowski, Joseph F. and Roberts, Anthony P. (2012) Computationally generated cross-property bounds for stiffness and fluid permeability using topology optimization. International Journal of Solids And Structures, 49 23-24: 3397-3408. doi:10.1016/j.ijsolstr.2012.07.019
Roberts, A. P., Grayson, G., Challis, V. J., Zhang, L. C., Grotowski, J. F., Schaffer, G. B. and Sercombe, T. B. (2011) Elastic moduli of sintered powders with application to components fabricated using selective laser melting. Acta Materialia, 59 13: 5257-5265. doi:10.1016/j.actamat.2011.05.002
Two curves theory does not clearly explain laryngoscopy and intubation: Reply from the authors
Greenland, K. B., Edwards, M. J., Hutton, N. J., Challis, V. J., Irwin, M. G. and Sleigh, J. W. (2011) Two curves theory does not clearly explain laryngoscopy and intubation: Reply from the authors. British Journal of Anaesthesia, 106 6: 910-911. doi:10.1093/bja/aer138
Greenland, K. B., Edwards, M. J., Hutton, N. J., Challis, V. J., Irwin, M. G. and Sleigh, J. W. (2010) Changes in airway configuration with different head and neck positions using magnetic resonance imaging of normal airways: a new concept with possible clinical applications. British Journal of Anaesthesia, 105 5: 683-690. doi:10.1093/bja/aeq239
Challis, VJ, Roberts, AP, Grotowski, JF, Zhang, LC and Sercombe, TB (2010) Prototypes for bone implant scaffolds designed via topology optimization and manufactured by solid freeform fabrication. Advanced Engineering Materials, 12 11: 1106-1110. doi:10.1002/adem.201000154
A discrete level-set topology optimization code written in Matlab
Challis, Vivien (2010) A discrete level-set topology optimization code written in Matlab. Structural and Multidisciplinary Optimization, 41 3: 453-464. doi:10.1007/s00158-009-0430-0
Level set topology optimization of fluids in Stokes flow
Challis, Vivien J. and Guest, James K (2009) Level set topology optimization of fluids in Stokes flow. International Journal for Numerical Methods in Engineering, 79 10: 1284-1308. doi:10.1002/nme.2616
Fracture resistance via topology optimization
Challis, Vivien J., Roberts, Anthony P. and Wilkins, Andrew H. (2008) Fracture resistance via topology optimization. Structural and Multidisciplinary Optimization, 36 3: 263-271. doi:10.1007/s00158-007-0160-0
Design of three dimensional isotropic microstructures for maximized stiffness and conductivity
Challis, V. J., Roberts, A. P. and Wilkins, A. H. (2008) Design of three dimensional isotropic microstructures for maximized stiffness and conductivity. International Journal of Solids and Structures, 45 14-15: 4130-4146. doi:10.1016/j.ijsolstr.2008.02.025
The combination technique and some generalisations
Hegland, Markus, Garcke, Jochen and Challis, Vivien (2007) The combination technique and some generalisations. Linear Algebra and Its Applications, 420 2-3: 249-275. doi:10.1016/j.laa.2006.07.014
Calculation of a risk measure for the net system load profile
Russell, Ken, Cerone, Pietro and Challis, Vivien (2008). Calculation of a risk measure for the net system load profile. In: Marchant, Tim, Edwards, Maureen and Mercer, Geoff, Proceedings of the 2007 Mathematics and Statistics in Industry Study Group. Mathematics In Industry Study Group 2007, Wollongong, Australia, (91-101). 5-9 February, 2007.
Isotropic, stiff, conducting structures via Topology optimisation
Wilkins, A. H., Challis, V. J. and Roberts, A. P. (2007). Isotropic, stiff, conducting structures via Topology optimisation. In: Proceedings of the 7th World Congress on Structural and Multidisciplinary Optimization. 7th World Congress on Structural and Multidisciplinary Optimization, Seoul, Korea, (2236-2245). 21-25 May, 2007.
Optimal bone implants and cermets
Challis, V. J., Roberts, A. P. and Wilkins, A. H. (2007). Optimal bone implants and cermets. In: Proceedings of the 7th World Congress on Structural and Multidisciplinary Optimization. 7th World Congress on Structural and Multidisciplinary Optimization, Seoul, Korea, (2609-2616). 21-25 May, 2007.
Multi-Property Topology Optimisation with the Level-Set Method
Vivien Joy Challis (2009). Multi-Property Topology Optimisation with the Level-Set Method PhD Thesis, School of Mathematics & Physics, The University of Queensland.
(2011–2019) University of Western Australia
(2011–2012) UWA-UQ Bilateral Research Collaboration Award
New-generation parallel-computing cluster for the mathematical and physical sciences
(2011) UQ Major Equipment and Infrastructure
Microstructure Interpolation for Macroscopic Optimisation
(2017) Doctor Philosophy — Associate Advisor
Other advisors: