Professor Javier Bonet

Professor Javier Bonet

Professor Javier Bonet

 

 

Head of the College of Engineering

Overview

Specialist Subjects: Structural Mechanics, Nonlinear Solid Mechanics, Finite Element analysis, Membrane Analysis, Meshless Methods

Find out more

Research

My research contribution over the last 14 years has been centred on a number of topics of computational mechanics including:

  • Superplastic forming
  • Human body impact analysis
  • Particle based meshless methods
  • Membrane and shell structural analysis

Selected publications

  • Javier Bonet, A discrete geometric conservation law (DGCL) for a cell vertex finite-volume algorithm on moving domains, International Journal for Numerical Methods in Biomedical Engineering, 2010, [DOI: 10.1002/cnm.1180]
  • Javier Bonet, Finite element superplastic forming (FE-SPF) of patient-specific maxillofacial prostheses, International Journal for Numerical Methods in Biomedical Engineering, 2010, [DOI: 10.1002/cnm.1255]
  • Javier Bonet, A variationally consistent mesh adaptation method for triangular elements in explicit Lagrangian dynamics, International Journal for Numerical Methods in Engineering, 2010, [DOI: 10.1002/nme.2784]
  • Javier Bonet, The formation of wrinkles in single-layer graphene sheets under nanoindentation, Journal of Physics: Condensed Matter, 2010, [DOI: 10.1088/0953-8984/22/14/145302]
  • Javier Bonet, Upper and lower bounds in limit analysis: Adaptive meshing strategies and discontinuous loading, International Journal for Numerical Methods in Engineering, 2009, [DOI: 10.1002/nme.2421]
  • Javier Bonet, Mesh adaptive computation of upper and lower bounds in limit analysis, International Journal for Numerical Methods in Engineering, 2008, [DOI: 10.1002/nme.2275]
  • J. Feldman, J. Bonet, Dynamic refinement and boundary contact forces in SPH with applications in fluid flow problems, 2007, pp.295-324, [ISBN:0029-5981], [DOI: 10.1002/nme.2010]
  • , J. Bonet, A. Huerta, J. Peraire, The computation of bounds for linear functional outputs of weak solutions to the two-dimensional elasticity equation, 2006, pp.406-429, [ISBN:0045-7825], [DOI: 10.1016/j.cma.2004.10.013]
  • Sudeep K. Lahiri, Javier Bonet, Jaime Peraire, Lluis Casals, A variationally consistent fractional time step integration method for Lagrangian dynamics, 2005, pp.1371-1395, [ISBN:0029-5981], [DOI: 10.1002/nme.1264]
  • J. Bonet, S. Kulasegaram, M.X. Rodriguez-Paz, M. Profit, Variational formulation for the Smooth Particle Hydrodynamics simulation of fluid and solid problems, 2004, pp.1245-1256, [ISBN:0045-7825], [DOI: 10.1016/j.cma.2003.12.018]

Teaching

  • EG-120 - Strength of Materials (12/13)

Research theses supervised

PhD

  • 2011 - Immersed computational modelling (2nd Supervisor: Dr. Antonio Gil)
  • 2011 - Computational analysis of fast transient dynamics within the framework of finite volume conservation laws (2nd Supervisor: Dr. Antonio Gil)
  • 2010 - Dynamic Wind analysis of prestressed structural membranes (2nd Supervisor: Dr. Antonio Gil)
  • 2007 - A two-step Taylor-Galerkin Formulation for Explicit Solid Dynamics Large Strain Problems (2nd Supervisor: Dr. Antonio Gil)
  • 2007 - Development of a Cell Centred Upwind Finite Volume Algorithm for a new Conservation Law Formulation in Structural Dynamics. (2nd Supervisor: Dr. Antonio Gil)
  • 2006 - Finite element modelling of material and structural behaviour of fibre reinforced plastics
  • 2004 - Composite beams with openings in metal-ribbed decking slabs
  • 2003 - Reduce order models for Elasticity (2nd Supervisor: Professor Kenneth Morgan)
  • 2003 - Fluid Structure Interaction for Human Biology Applications. (2nd Supervisor: Dr. Antonio Gil)
  • 2003 - A Partitioned Approach for the Solution of Three-Dimensional Time-Dimensional Time-Dependent Incompressible Fluid-Structure Interaction (2nd Supervisor: Professor Oubay Hassan)
  • 2002 - Adaptive SPH (2nd Supervisor: Professor Kenneth Morgan)
  • 2002 - "Structural Analysis of Prestressed Saint Venant-Kirchhoff Hyperelastic Membranes" (2nd Supervisor: Dr. Richard Wood)
  • 2002 - Variational explicit dynamic integrators for solid mechanics applications. (2nd Supervisor: Dr. Richard Wood)
  • 2001 - FE-Rigid Body simulation of impact stresses in human body (2nd Supervisor: Professor Oubay Hassan)
  • 2001 - FE limit state analysis (2nd Supervisor: Dr. Richard Wood)
  • 2001 - The Time-Domain Numerical Solution of Maxwell's Electromagnetic Equations, via the Fourth Order Runge-Kuttauous Galerkin Method (2nd Supervisor: Professor Kenneth Morgan)

MRes

  • 2005 - Analysis and Design of Composite Material and Structures (2nd Supervisor: Dr. Robert Xiao)

MSc

  • 2006 - Behaviour of Reinforced Concrete Slabs Under Low Velocity Impact Loads

All publications

Books

  1. D. HENWOOD & J. BONET, Finite Elements - A Gentle Introduction, Macmillan Press, 1996,  [ISBN 0333646266]
  2. J. BONET & R.D. WOOD, Nonlinear Continuum Mechanics for Finite Element Analysis, Cambridge University Press, 1997, [ISBN 052157272X]
  3. J. BONET & R.D. WOOD, Nonlinear Continuum Mechanics for Finite Element Analysis, Cambridge University Press, second edition, to appear 2007.

Chapters in books

  1. CERVERA, E. HINTON, J.BONET and N.BICANIC, ‘Nonlinear transient dynamic analysis of three dimensional structures - a finite element program for steel and reinforced concrete materials’, Chapter 7 in  Numerical Methods and Software for Dynamic Analysis of Plates and Shells, E.Hinton, (Swansea, Pineridge Press, 1988). [ISBN ]
  2. J. MIQUEL and J.BONET, ‘Elements of matrix algebra’, Appendix1 in J.Miquel and A.H.Barbat Structural Response Computations in Earthquake Enginnering, (Swansea Pineridge Press, 1989) [ISBN 0906674557]
  3. R.D. WOOD and J.BONET, ‘Finite element simulation of thin sheet superplastic forming processes’, chapter18 in P.Hartley, I.Pillinger and C.E.N.Sturgess (eds.), Numerical Modelling of Material Deformation Processes: Research, Development and Applications, (Springer-Verlag, 1992) [ISBN 354019584X]
  4. J. BONET and R.D.WOOD, ‘Some recent developments in the numerical simulation of thin sheet superplastic forming’, in M.Cross, J.F.T.Pittman and R.D.Wood, (eds.), Mathematical Modelling for Material Processing, (Clarendon Press, Oxford, 1993) [ISBN 198536879]
  5. J. BONET, P. BHARGAVA and R.D. WOOD, ‘The incremental flow formulation for the numerical analysis of 3-d forming processes’, in Recent Developments in Finite Element Analsis, A Book Dedicated to R.L. Taylor, ed. by T.J.R. Hughes, E. Onate and O.C. Zienkiewicz, (Barcelona CIMNE, 1994) [ISBN 8487867456]

Journal Articles

  1. J. MIQUEL and J. BONET, ‘Estudio de estructuras sometidas a esfuerzos de impacto en régimen elastoplástico y con grandes deformaciones por el método de los elementos finitos, parte I: formulación teórica’, Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería vol 3(2), 1987. [ISSN 02131315]
  2. J. MIQUEL and J. BONET, ‘Estudio de estructuras sometidas a esfuerzos de impacto en régimen elastoplástico y con grandes deformaciones por el método de los elementos finitos, parte II: algoritmo de contacto-impacto’, Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería vol. 3(3), 1987. [ISSN 02131315] 
  3. J. BONET, A.H.S. WARGADIPURA and R.D.WOOD, ‘A pressure cycle control algorithm for superplastic forming’, Comm. in Appl. Num. Meth. vol. 5(2), 1989. [ISSN 07488025]
  4. J. BONET, R.D. WOOD and A.H.S.WARGADIPURA, ‘Numerical simulation of the superplastic forming of thin sheet components using the finite element method’, Int. J. Num. Meth. Engrg. vol. 30, 1990. [ISSN 00295981]
  5. J. BONET and J.PERAIRE, ‘An alternating digital tree (ADT) algorithm for geometric searching and intersection problems’, Int. J. Num. Meth. Eng. vol. 31, 1991. [ISSN 00295981]
  6. J. BONET, A.PICA, J.PEIRO and R.D.WOOD, ‘Adaptive mesh refinement for facet shell elements’, Comm. in Appl. Num. Meth., vol. 8, 1992. [ISSN 07488025]
  7. R.D. WOOD and J. BONET, ‘Superplastic forming simulation using the finite element method - A review’, Journal of Metals, Materials and Processes, special issue on  Metal Processing - Mechanical Properties Interrelationships, 1993.
  8. J. BONET, ‘Error estimators and enrichment procedures for the finite element analysis of large thin sheet deformation processes’, Int. J. Num. Meth. Engrg., vol 37, 1994. [ISSN 00295981] (*)
  9. J. BONET, ‘The incremental flow formulation for the numerical analysis of plane stress and thin sheet forming processes’, Comp. Meth. Appl. Mech. Engrg., vol 114, 1994. [ISSN 0045785](*)
  10. J. BONET, R.D. WOOD and R.COLLINS, ‘Pressure control algorithms for the numerical simulation of superplastic forming’, Int. J. Mech. Sci., vol 36(4),1994. [ISSN 00207403]
  11. J. BONET & R.D. WOOD, Incremental flow procedures for the finite element analysis of thin sheet superplastic forming processes, J. Mat. Proc. Technol. vol 42, 1994. [ISSN 09240136]
  12. J. BONET, P. BHARGAVA and R.D. WOOD, ‘The incremental flow formulation for the finite element analysis of 3-d superplastic forming processes’, J. Mat. Proc. Technol. vol 45, 1994. [ISSN 09240136]
  13. J. BONET and R.D. WOOD, Energy dissipation strategies for the prediction of pressure cycles in the numerical analysis of superplastic forming processes, Material Science Forum, 1994, Vol. 170-172, pp. 607-612, [ISSN 02555476].
  14. J. BONET, P. BHARGAVA & R.D. WOOD, Superplastic forming simulation of three dimensional diffusion bonded components using the finite element method, Material Science Forum, 1994, Vol. 170-172, pp. 607-612, [ISSN 02555476].
  15. J. BONET and P.BHARGAVA, ‘The incremental flow formulation for the analysis of 3-dimensional viscous deformation processes: continuum formulation and computational aspects’,  Comp. Meth. Appl. Mech. Engrg.  vol. 114, 103-122, 1995. [ISSN 0045785] (*)
  16. A. PICA, R.D. WOOD, A.O. ADEKUNLE  and J. BONET, ‘Smoothing stress resultants in adaptive finite element shell analysis’,  Computers and Structures. vol. 54(5), 1995. [ISSN 00457949]
  17. J. BONET and P.BHARGAVA, A uniform deformation gradient hexahedron element with hourglass control, Int. J. Num. Meth. Engrg  vol 38(16), 1995. (80%) [ISSN 00295981]
  18. R.D. WOOD and J.BONET, A review of the numerical analysis of superplastic forming, J. Mat. Proc. Technol. vol 60, 1996. [ISSN 09240136]
  19. J. BONET, P. BHARGAVA & R.D. WOOD, ‘Finite element analysis of the superplastic forming of thick sheet using the incremental flow formulation’, Int. J. Num. Meth. Engrg.  vol 40, 1997, [ISSN 00295981].
  20. J. BONET, ‘Recent developments in the incremental flow formulation for forming applications’, Engineering Computations. 1998. [ISSN 02644401]
  21. J. BONET and A. BURTON, ‘A simple average nodal pressure tetraheron for nearly incompresible large strain dynamic explicit computations’, Comm. in Appl. Num. Meth., 14, 1998, pp. 437-449, [ISSN 07488025]
  22. J. BONET and A. BURTON, ‘A simple orthotropic transversely isotropic hyperelastic constitutive equation for large strain computations’, Comp. Meth. Appl. Mech. Engrg. 162, 1998, pp. 151-164, [ISSN 0045785].
  23. J. BONET & T.-S. L. LOK, ‘ Variational and momentum preservation aspects of smooth particle hydrodynamics formulations’, Comp. Meth. Appl. Mech. Engrg.,180, 97-115, 1999. [ISSN 0045785].
  24. J. BONET & S. KULASEGARAM, ‘Correction and stabilisation of smooth particle hydrodynamics with application in metal forming’  Int. J. Num. Meth. Engrg., 47, 2000, 1189-1214. [ISSN 00295981].
  25. J. BONET, R.D. WOOD, J. MAHANEY, P. HEYWOOD, Finite element analysis of air supported membrane structures, Comp. Meth. Appl. Mech. Engrg., 190, pp 579-595, 2000. [ISSN 0045785]
  26. J. BONET & S. KULASEGARAM, Finite increment gradient stabilisation of point integrated meshless methods for elliptic equations, Commun. Num. Meth. in Engrg. 16, pp. 475-483, 2000.
  27. J. BONET, Large strain viscoelastic constitutive  models, Int. J. Solids & Structures 38(17), pp. 2953-2968, 2001.
  28. J. BONET, H. MARRIOTT & O. HASSAN, Stability and comparison of different linear tetrahedral formulations for nearly incompressible explicit dynamic applications, Int. J. Num. Meth. Engrg., 50, pp. 119-133, 2001.
  29. J. BONET, H. MARRIOTT & O. HASSAN, An average nodal deformation tetrahedron for large strain explicit dynamic applications, Commun. Num. Meth. in Engrg.,17, 2001, 551-561.
  30. J. BONET & J. MAHANEY, Form finding of membrane structures by the updated reference configuration with minimum mesh distorsion, Int. J. Solids Struc., 38, 2001, 5469-5480.
  31. J. BONET, S. KULASEGARAM, Remarks on tension instability of Eulerian and Lagrangian corrected smooth particle hydrodynamics (CSPH) methods,  Int. J. Num. Meth. Engrg., 52, (11),  2001, pp. 1203-1220 [ISSN 00295981]  
  32. J. BONET & S. KULASEGARAM, A simple methods to enhance the performance of Smooth Particle Hydrodynamics (SPH)  techniques,  Appl. Math. & Computation, 126, 2002, pp. 133-155.
  33. J. BONET, A. HUERTA, J. PERAIRE, The efficient computation of bounds for functionals of finite element solutions in large strain elasticity, Comp. Meth. Appl. Mech. Engrg., 191, 2002, pp 4807-4826.
  34. J. BONET, S. KULASEGARAM & MX RODRIGUEZ-PAZ, Variational Formulation for the Smooth Particle Hydrodynamics (SPH) Simulation of Fluid and Solid Problems, to appear in Lecture Notes in Computational Science & Engineering, 2002.
  35. J. BONET & S. KULASEGARAM, Alternative total Llagrangian formulations for corrected smooth particle hydrodynamics (csph) methods in large strain dynamic problems, European Journal of Finite Elements, 11(7-8), 2002.
  36. 36.J. BONET, RD WOOD, R SAID, RV CURTIS, D GARRIGA_MAJOR, Numerical simulation of the superplastic forming of dental and medical prosthesis, Biomechanics and Modelling in Mechanobiology, 1(3), 2002 pp. 177-196.
  37. MX RODRIGUEZ-PAX, J. BONET, A corrected smooth particle hydrodynamics method for the simulation of debris flows, in Numerical Meth. Partial Differential Eqns., 20-1, 140-163, 2003 (40%).
  38. S. KULASEGARAM, J. BONET, RW. LEWIS & M. PROFIT, High pressure die casting simulation using a Lagrangian particle method, Communications in Num. Meth. Engrg. 19,-9, 2003. (30%).
  39. D GARRIGA-MAJO, RJ PATERSON, RV CURTIS, R SAID, RD WOOD & J BONET, Optimisation of the superplastic forming of a dental implant for bone augmentation using finite element analysis, Dental Materials, 20-5, 2004, pp. 409-418.
  40. J. BONET, S. KULASEGARAM, MX RODRIGUEZ & M. PROFIT, Variational formulation for the Smooth Particle Hydrodynamics simulation of fluid and solid problems, Comp. Meth. Appl. Mech. Engrg., 193, Issues 12-14, 2004, pp. 1245-1256. (40%)
  41. J. BONET, S. KULASEGARAM, M. PROFIT AND R. W. LEWIS, A Particle based method for three-dimensional mould filling simulation in high pressure die casting, submitted to J. Mat. Proc. Technology, 2004.
  42. RW LEWIS, RS RANSING, WKS PAO, K KULASEGARAM & J BONET, Alternative techniques for casting simulation, Int. j. Num. Meth. Heat & Fluid Flow, 14, 2004, pp. 145-166.
  43. AM. SAUER-BUDGE, J. BONET, A. HUERTA, J. PERAIRE, Computing bounds of linear functional of exact solutions to Poisson’s equations, to appear in SIAM Journal on Numerical Analysis, 42, 2004, pp. 1610. (30%)
  44. S. KULASEGARAM, J. BONET RW. LEWIS & M PROFIT, A variational formulation based contact algorithm for SPH applications, in Computational Mechanics, 33(4), pp. 316 - 325, 2004. (40%)
  45. S.K. LAHIRI, J. BONET, J. PERAIRE, L. CASALS, A variationally consistent fractional time step integration method for Lagrangian dynamics, Int. J. Num. Meth. Engrg., 63-10, 2005, 1371-1395 (40%)
  46. J. BONET & M. RODRIGUEZ-PAZ, Hamiltonian formulation for variable h Smooth Particle Hydrodynamics, Journal of Computational Physics, 209-2, 2005, pp.541-558.
  47. S. FERNANDEZ, J. BONET & A. HUERTA, Continuous blending of SPH with finite elements, Computers & Structures, 17-18,  2005, pp. 1396-1410.
  48. MX RODRIGUEZ-PAZ & J. BONET, A corrected smooth particle hydrodynamics formulation of the shallow water equations, Computers & Structures, special issue on Meshless Methods. 17-18, 2005, pp. 1396-1410.
  49. J. BONET, A.J. GIL, RD WOOD, R SAID & RV CURTIS, Simulating superplastic forming, Computer Methods in Appl. Mech. Engrg.,195-48, 2006, pp. 6580-6603.
  50. A.J. GIL & J. BONET, Finite element analysis of pre-stressed structural membranes, Finite Element Analysis & Design., 42-8, 2006, pp. 683-697.
  51. N. PARES, J. BONET, A. HUERTA, J. PERAIRE, The computation of bounds for linear functional outputs of weak solutions to the two-dimensional elasticity equation, Computer Methods in Appl. Mech. Engrg.,195-4-6, 2006, pp. 406-429.
  52. Y. VIDAL, J. BONET & A. HUERTA, Stabilized updated Lagrangian corrected SPH for explicit dynamics problems, to appear in Int. J. Num. Meth. Engrg., 2006.
  53. J. FELDMAN & J. BONET, Dynamic refinement and boundary contact forces in SPH with applications in fluid flow problems, to appear in Int. J. Num. Meth. Engrg., 2006.
  54. A.J. GIL & J. BONET, Finite element analysis of partly wrinkled reinforced prestressed membranes, to appear in Computational Mechanics, 2006.
  55. H. CIRIA, J. PERAIRE & J. BONET, Computation of Upper and Lower Bounds in Limit Analysis using Second-order Cone Programming and Mesh Adaptivity, to appear in Int. J. Num. Meth. Engrg., 2006.
  56. C. WOOD, A.J. GIL, O. HASSAN & J. BONET, A partitioned approach to for the solution of three-dimensional time-dependent incompressible fluid-structure interaction, to appear in Advances Engrg. Software, 2007.
  57. C. WOOD, A.J. GIL, O. HASSAN & J. BONET, Partitioned three-dimensional time-dependent fluid-structure interaction with applications in biological membranes, to appear in Int. J. Num. Meth. Engrg., 2007.
  58. C. WOOD, O. HASSAN, J. BONET, A.J. GIL, A partitioned coupling approach  for dynamic fluid-structure interactions with applications to biological membranes, submitted to Int. J. Num. Meth. Engrg., 2007.

Contact details

College of Engineering
Swansea University
Singleton Park
Swansea
SA2 8PP
Tel: +44 (1792) JWJ_Telephone_JWJ
Email: JWJ_Email_JWJ