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An Approach on Determining the Displacements of the Pelvic Floor during Volunta...

C.S. Saleme; M.P.L. Parente; R.M. Natal Jorge; M. Pinotti; A.L. Silva-Filho; T. Roza; T. Mascarenhas; João Manuel R.S. Tavares

The present study was conducted in order to establish a methodology based on the finite element method to simulate the contraction of the pelvic floor (PF) muscles. In the generated finite element model, a downward pressure of 90 cm H2O was applied, while actively contracting the PF muscles with different degrees of muscular activation (10, 50 and 100%). The finite element methodology of the active contraction ...


Segmentation and simulation of objects represented in images using physical pri...

Patrícia C.T. Gonçalves; João Manuel R.S. Tavares; R.M. Natal Jorge


3D reconstruction of pelvic floor for numerical simulation purpose

Fátima Alexandre; Rania F. El Sayed; Teresa Mascarenhas; RM Natal Jorge; M.P. Parente; A. A. Fernandes; João Manuel R. S. Tavares

Female pelvic floor disorders (stress urinary incontinence, fecal incontinence, pelvic organ prolapse) affect approximately 60% of woman over 60 years old [1]. The real geometry and architecture of female pelvic floor and connective tissues are complex and difficult to visualize from two-dimensional (2D) images. To facilitate the understanding of pelvic floor geometry, in this work 3D models were building. A 3D...


Segmentation and Simulation of the Deformation of Objects Represented in Images...

Patrícia C.T. Gonçalves; João Manuel R.S. Tavares; R.M. Natal Jorge

The goal of this work is to automatically extract the contour of an object and to simulate its deformation using a physical approach. In this work, to segment an object represented in an image, an initial contour is manually defined for it that will then automatically evolve until it equals the border of the desired object. In our approach, the contour is modelled by physical formulation, using the Finite Eleme...



Enhanced transverse shear strain shell formulation applied to large elasto-plas...

R.A. Fontes Valente; M.P.L. Parente; R.M. Natal Jorge; J.M.A. César de Sá; J.J.A. Grácio


Numerical modelling of ductile plastic damage in bulk metal forming

F.M. Andrade Pires; J.M.A. César de Sá; L. Costa Sousa; R.M. Natal Jorge


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    Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia