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Ibero-Latin American Conference on Computational Methods in Engineering CILAMCE 2005

2007; Wiley; Volume: 23; Issue: 6 Linguagem: Inglês

10.1002/cnm.994

1099-0887

Andrea M. P. Valli, Álvaro L. G. A. Coutinho,

Advanced Numerical Methods in Computational Mathematics

Over the last 29 years the Ibero-Latin American Conference on Computational Methods in Engineering (CILAMCE) conference has played a major role in the dissemination of the most recent computational applications and computational developments in engineering among professionals, researchers and students of the Iberian Latin American community. The first conference, held in 1977 (Rio de Janeiro, Brazil), was dedicated to Computational Methods in Civil Engineering. In 1979, the scope of the conference was broadened to include a wide range of applications in engineering and over the years it has been organized 21 times in Brazil and eight times abroad. In November 2005, CILAMCE was held in Guarapari, Esprito Santo, Brazil, and Prof. A. M. P. Valli organized the conference in a set of 30 mini-symposia covering a vast range of multidisciplinary subjects on computational methods in engineering and applied sciences. The papers presented at that meeting, fully demonstrated current developments on computational methods, available computational systems and improvements in computer technology to solve various complex practical or theoretical engineering problems. This special issue of Communications in Numerical Methods in Engineering illustrates the nature of these developments by presenting a selection of extended versions of the papers presented at CILAMCE 2005, covering the broad areas of incompressible fluid flow, flow in porous media, environmental flows, optimization, stability of shells, non-linear structural analysis and acoustics. The special issue opens with the paper by Ferreira et al., which investigates the combined use of implicit and adaptive upwind methods for incompressible free surface flows. Mozolevski et al. introduce new discontinuous Galerkin finite elements for the stream function formulation of the incompressible Navier-Stokes equations. Several aspects related to porous media flows are covered in the papers by Correa and Loula, Aquino et al. and Wrobel et al. Topics discussed include new stabilized velocity post-processing methods for Darcy flow in heterogeneous porous media, the simulation of transient water infiltration in heterogeneous soils and the injectivity loss in stratified reservoirs. Carbonel and Galeão present a stabilized finite element model applied to the coastal region of Rio de Janeiro, Brazil. In solid and structural mechanics several important topics of current interest are covered. For instance, Stump et al. discuss the optimization of functionally graded materials. Capriles et al. take a different approach for optimization, using rank-based ant colony algorithms for truss weight minimization. Lopes et al. then revisit the problem of evaluating the influence of initial geometric imperfections on the stability of thick cylindrical shells, comparing numerical and experimental results. Implicit domain decomposition methods are proposed by Rodrigues et al. for coupled analysis of offshore platforms, an important engineering problem related to offshore oil production in deep waters. Finally, Rochinha et al. discuss a new locally discontinuous enriched finite element formulation for acoustics.