Comparative Analysis of Hybrid-Trefftz Stress and Displacement Elements

Archives of Computational Methods in Engineering

Volumn 6, Issue 1, 1999, Pages 35-59

  Teixeira De Freitas, J A ^a   Cismasiu, C ^a   Wang, Z M ^a  

^a INSTITUTO SUPERIOR TÉCNICO   (Portugal)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0010938389     PISSN: 11343060     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02828329     Document Type: Article

References (13)

1. Freitas, J.A.T., Almeida, J.P.M. and Pereira, E.M.B.R. (1996), "Non-conventional Formulations for the Finite Element Method", Int. J. Struct. Engng. Mech., 4, pp. 655-678.
2. Freitas, J.A.T.(1989), "Duality and Symmetry in Mixed Integral Methods of Elastostatics", Int. J. Numer. Meth. Engng., 28, pp. 1161-1179.
3. Freitas, J.A.T. (1991), "A Kinematic Model for Plastic Limit Analysis of Solids by the Boundary Integral Method", Comp. Meth. Appl. Mech. Engng., 88, pp. 189-205.
4. Jirousek, J. and Leon, N.(1977), "A Powerful Finite Element for Plate Bending", Comp. Meth. Appl. Mech. Engng., 12, pp. 77-96.
5. Jirousek, J. and Zielinski, A.P (1993), "Dual Hybrid-Trefftz Element Formulation Based on Independent Boundary Traction frame", Int. J. Numer. Meth. Engng., 36, pp. 2955-2980.
6. Jirousek, J. and Wróblewski, A. (1995), "T-Elements: A Finite Element Approach with Advantages of Boundary Solution Methods", Adv. Engng. Software, 24, pp. 71-88.
7. Freitas, J.A.T. (1998) , "Formulation of Elastostatic Hybrid-Trefftz Stress Elements", Comp. Meth. Appl. Mech. Engng., 153, pp. 127-151.
8. Freitas, J.A.T. (1997), "Formulation of Elastostatic Hybrid-Trefftz Displacement Elements", submitted for publication.
9. Freitas, J.A.T. and Ji, Z.-Y. (1996), "Hybrid-Trefftz Boundary Integral Formulation for the Simulation of Singular Stress Fields", Int. J. Numer. Meth. Engng., 39, pp. 281-308.
10. Freitas, J.A.T. and Ji, Z.-Y. (1996), "Hybrid-Trefftz Equilibrium Model for Crack Problems", Int. J. Numer. Meth. Engng., 39, pp. 569-584.
11. Freitas, J.A.T. and Cismasiu, C. (1996), "Numerical Implementation of Hybrid-Trefftz Displacement Elements", Proc. 3rd Int. Conf. Computational Structures Technology, B.H.V. Topping (Ed.), Advances in Finite Element Technology, pp. 179-188, Civil-Comp. Press, Edinburgh.
12. Almeida, J.P.M. and Freitas, J.A.T. (1996), "On the Parallel Implementation of Non-Conventional Finite Element Formulations", M. Papadrakakis (Ed.), Advanced Finite Element Solution Techniques, CIMNE, Barcelona, in press.
13. Freitas, J.A.T. (1996), "Hybrid Stress Finite Elements for Gradient-dependent Plasticity", submitted for publication.