C.O. Moretti, T.N. Bittencourt, L.F. Martha, "A Low Cost Distributed System for FEM Parallel Structural Analysis", VECPAR’98 - Third International Conference for Vector and Parallel Processing, José M.L.M. Palma, Jack Dongarra and Vicente Hernandez (Eds.), Lecture Notes in Computer Science, Springer, Berlin, pgs 250-262, Vol. 1573, 1999.

J.U.A.Borges, T.N.Bittencourt, "Evaluation of the Flexural Strength of High Performance Concrete Beams", 5th International Symposium on Utilization of High-Strength/High-Performance Concrete, Sandefjord, Noruega, Holand, I.; Sellevold, E.J. (Eds.),Vol.1, pgs.164-173, 1999.

E.M.R. Bueno, C.V.A. Carvalho, L.F. Martha, T.N. Bittencourt, "Um Sistema Computacional Gráfico Orientado a Objetos para Modelamento Bidimensional de Problemas de Fraturamento Coesivo", XX CILAMCE, São Paulo, 1999.

C.V.A. Carvalho, T.D. de Araújo, L.F. Martha, T.N. Bittencourt, "Simulação Bidimensional Adaptativa de Processo de Fraturamento por Fadiga", XX CILAMCE, São Paulo, 1999.

R.Einsfeld, L.F.Martha, T.N.Bittencourt, "Simulação Numérica do Efeito de Escala em Estruturas de Concreto Através do Controle da Abertura das Fissuras", XX CILAMCE, São Paulo, 1999.

C.V. Carvalho, T.D. de Araújo, J.B. Cavalcante, L.F. Martha, T.N. Bittencourt, "Automatic Fatigue Crack Propagation using a Self-adaptive Strategy", PACAM 99, Rio de Janeiro, 1999.

C.O. Moretti, T.N. Bittencourt, L.F. Martha, "A Low Cost Distributed System for FEM Parallel Structural Analysis", VECPAR'98 - 3rd International Meeting on Vector and Parallel Processing, Porto, Portugal, June 21-23, pgs 1063-1075, 1998.

L.E.T.Ferreira, J.L.A. Sousa, T.N. Bittencourt, "Load Relaxation in Level II Three-point-Bending Tests", Fracture Mechanics of Concrete Structures, FRAMCOS3, Eds. H.Mihashi and K.Rokugo, Gifu, Japan, October 12-16, pgs. 665-674, 1998.

T.Araujo, D.Roehl, T.N.Bittencourt, L.F.Martha, "Adaptive simulation of elastic-plastic fracture processes", Fourth World Congress on Computational Mechanics, Buenos Aires, Argentina, June 29-July 2, 12 pages, CD-ROM, 1998.

R.Einsfeld, D.Roehl, T.N.Bittencourt, L.F.Martha, "Mapping of local variables due to remeshing in non-linear plasticity problems", Fourth World Congress on Computational Mechanics, Buenos Aires, Argentina, June 29-July 2, 9 pages, CD-ROM, 1998.

C.O.Moretti, G.Fujii, L.F.Martha, T.N.Bittencourt, "A Computational Environment for Structural Analysis Combining Graphical Interfaces, Object-oriented Programming and Parallel Processing", Fourth World Congress on Computational Mechanics, Buenos Aires, Argentina, June 29-July 2, 14 pages, CD-ROM, 1998.

C.O.Moretti, T.N.Bittencourt, J.C.André, L.F.Martha, "Algoritmos Automáticos de Partição de Domínio", Escola Politécnica da Universidade de São Paulo, Boletim Técnico, BT/PEF-9803, ISSN 0103-9822, 1998.

A.C.dos Santos, J.L.A.O.Sousa, T.N.Bittencourt, "Determinação Experimental da Tenacidade ao Fraturamento do Concreto com Corpos de Prova do Tipo "Short-Rod", Escola Politécnica da Universidade de São Paulo, Boletim Técnico, BT/PEF-9807, ISSN 0103-9822, 1998.

Fujii,G., L.F.Martha, T.N.Bittencourt, "Análise Computacional de Estruturas por meio da Programação Orientada para Objetos", Escola Politécnica da Universidade de São Paulo, Boletim Técnico, BT/PEF-9717, ISSN 0103-9822, 1997.

T.N. Bittencourt, "Discrete Approaches to Cohesive-Crack Modeling through the Finite Element Method", Escola Politécnica da Universidade de São Paulo, Boletim Técnico, BT/PEF-9711, ISSN 0103-9822, 1997.

T.N. Bittencourt, J.L. Sousa, "Cohesive-crack Modeling for Fiber-reinforced Ceramic Composites", Escola Politécnica da Universidade de São Paulo, Boletim Técnico, BT/PEF-9706, ISSN 0103-9822, 1997.

T.D. Araújo, J.B. Cavalcante Neto, M.T.M.Carvalho, T.N. Bittencourt, L.F. Martha, "Adaptive Simulation of Fracture Processes Based on Spatial Enumeration Techniques", International Journal of Rock Mechanics and Mining Sciences, Vol.34, No. 3/4, paper no. 188, CD-ROM, 1997, ISSN: 0148-9062.

R.A.Einsfeld, A. Elwi, T.N. Bittencourt, L.F. Martha, "Numerical Simulation of Fracturing in Concrete Structures Using a Combination of Smeared and Discrete Approaches", International Journal of Rock Mechanics and Mining Sciences, Vol.34, No. 3/4, paper no. 189, CD-ROM, 1997, ISSN: 0148-9062.

T.N. Bittencourt, J.L.A. Sousa, "Modeling of Crack Propagation in Fiber-Reinforced Ceramic Composites Through a Cohesive-crack Approach Based on Micro-mechanical Effects", 29th National Symposium on Fatigue and Fracture Mechanics, ASTM, Stanford University, Palo Alto, California, USA, June 24 - 26, pg. 74, 1997.

R.A.Einsfeld, A. Elwi, T.N. Bittencourt, L.F. Martha, "Numerical Simulation of Fracturing in Concrete Structures Using a Combination of Smeared and Discrete Approaches", NYRocks'97 ISRM International Symposium, Columbia University, New York, USA, June 29 - July 2, pg. 552, 1997.

T.D. Araújo, J.B. Cavalcante Neto, M.T.M.Carvalho, T.N. Bittencourt, L.F. Martha, "Adaptive Simulation of Fracture Processes Based on Spatial Enumeration Techniques", NYRocks'97 ISRM International Symposium, Columbia University, New York, USA, June 29 - July 2, pg. 551, 1997.

T.N. Bittencourt, P.A. Wawrzynek, A.R. Ingraffea, J.L. Sousa,"Quasi-automatic simulation of crack propagation for 2D LEFM problems", Engineering Fracture Mechanics, Vol. 55, No. 2, pgs.321-334, 1996, ISSN: 0013-7944.

M.M. Feitosa, J.C. André, T.N. Bittencourt, "CICLO: Pós-processamento de resultados de análises em pórticos tridimensionais"; IV Simpósio de Iniciação Científica da Universidade de São Paulo, SP; São Carlos, SP, 1996.

T.N. Bittencourt, A.R. Ingraffea, "Um Método Numérico para o Modelamento de Fraturamento Coesivo em 3D", Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingenieria, vol. 11, 4, pgs.555-564, 1995, ISSN: 0213-1315.

T.N. Bittencourt, A.R. Ingraffea, "Three-dimensional cohesive crack analysis of short-rod specimens", Fatigue and Fracture Mechanics: 25th Volume, ASTM - Standard Technical Publication (STP) 1220, pgs.46-60, 1995, ISBN: 0-8031-1882-1

B.J. Carter, T.N. Bittencourt, A.R. Ingraffea, "Topology-controlled modeling of linear and nonlinear 3D crack propagation in geo-materials", Fracture of Brittle Disordered Materials: Concrete, Rock and Ceramics, 3rd Int. Union of Theoretical and Applied Mechanics (IUTAM) Symposium, Australia, Published by E&FN Spon, London, Ed. G.Baker, B.L.Karihaloo, pgs.301-318, 1995, ISBN: 0-419-19050-3.

T.N. Bittencourt, J.L.A. Sousa, "A numerical implementation of J-integral for elasto-plastic fracture mechanics", XVI CILAMCE, Curitiba, pgs.263-272, 1995.

J.L.A. Sousa, T.N. Bittencourt, L.F. Martha, "Simulação tridimensional de propagação de fissuras não-planas em sólidos de geometria arbitrária", XVI CILAMCE, Curitiba, pgs.1092-1101, 1995.

T.N. Bittencourt, A.R. Ingraffea, "Three dimensional cohesive crack analysis of the short-rod fracture toughness test specimen", Computational Modelling of Concrete Structures, Ed. H.Mang, N.Bicanic and R. de Borst, Vol.1, pgs.1-16, Cromwell Press. Great Britain, 1994, ISBN: 0-906674-84-0.

T.N. Bittencourt, J. Llorca, A.R. Ingraffea, "Simulation of arbitrary, cohesive crack propagation", First International Conference on Fracture Mechanics of Concrete Structures, Ed. Z.P.Bazant, Colorado, pgs.339-350, 1992, ISBN: 1-85166-869-1.

T.N. Bittencourt, A. Barry, A.R. Ingraffea, "Comparison of mixed-mode stress-intensity factors obtained through displacement correlation, J-integral formulation, and modified crack-closure integral", Fatigue and Fracture Mechanics: 22nd Volume, ASTM - Standard Technical Publication (STP) 1131, pgs.69-82, 1992, ISBN: 0-8031-1440-0.