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Algorithms for the analysis of 3D finite strain contact problems

Pedro Miguel Areias; José César de Sá; Carlos Alberto Conceição António


Strong displacement discontinuities and Lagrange multipliers in the analysis of...

Pedro Miguel Areias; José César de Sá; Carlos Alberto Conceição António; Joaquim Carneiro; V. Teixeira


A gradient model for finite strain elastoplasticity coupled with damage

Pedro Miguel Areias; José César de Sá; Carlos Alberto Conceição António


Analysis of 3D problems using a new enhanced strain hexahedral element

Pedro Miguel Areias; José César de Sá; Carlos Alberto Conceição António; Augusto Fernandes


Quadrilateral elements for the solution of elasto-plastic finite strain problems

José César de Sá; Pedro Miguel Areias; Renato Natal Jorge


A quadrilateral mesh generator for adaptive procedures in bulk forming processes

Renato Natal Jorge; Rui Pedro Ramos Cardoso; José César de Sá

The simulation of real industry metal forming processes requires, very often, the presence of adaptive procedures. With that purpose a quadrilateral mesh generator was developed. The algorithm is based on the simple fact that it is always possible to subdivide a region into quadrilaterals whenever the polygonal line that forms its boundary has an even number of sides and that by joining two contiguous triangles...


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