Finite element discretization
Top PDF Finite element discretization:
Primal and Mixed Finite Element Methods for Deformable Image Registration Problems
... In this work we have proposed and analyzed a mixed and augmented formulations for the DIR problem, along with suitable finite-element discretization for their numerical solution. To this end, we ...
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Primal and mixed finite element methods for image registration
... Deformable Image Registration (DIR) is a powerful computational method for image analysis, with promising applications in the diagnosis of human disease. Despite being widely used in the medical imaging community, the ...
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ADAPTIVE SPACE-TIME FINITE ELEMENT METHODS FOR ACOUSTICS SIMULATIONS IN UNBOUNDED DOMAINS
... employ finite element discretization of the time domain as well as the usual discretization of the spatial ...time finite element method for acoustic radiation and scattering ...
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Greif_Sc...pdf
... We introduce a new preconditioning technique for iteratively solving linear systems arising from finite element discretization of the mixed formulation of the time-harmonic Maxwell equations. The ...
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Finite element approximation of the vibration problem for a Timoshenko curved rod
... The outline of the paper is as follows. In Sect. 2, we introduce the basic geometric and physical assumptions to settle the vibration problem for a Timoshenko rod of arbitrary geometry. The resulting spectral problem is ...
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SEA: 43.38.Ct Transductores magnetoestrictivos
... piezoelectric element in combination with tuning fork and shearing motion to form an actuator using a single drive ...signal. Finite-element analysis was used in the design of the motor, and the ...
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TítuloMeshless methods applied to potential flow problems
... combining finite elements and meshless interpolations (en- richment of finite elements with the element free Galerkin method [5], or with the reproducing kernel particle method [3]) and developing ...
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Modelling and analysis of the supraspinatus tendon - a finite element approach
... The main contribution of this study is the quantification of the load-bearing capacity of the supra- spinatus tendon through the strength index which, when compared to a given physiological force, provides a critical ...
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An application of the finite element method to curve fitting
... An application of the Finite Element Method (FEM) to the solution of a geometric problem is shown. The problem is related to curve fitting i.e. pass a curve trough a set of given points even if they are ...
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TítuloA stabilized finite element approach for advective diffusive transport problems
... Almeida (Editors); Escola Politécnica da Universidade de Sao Paulo, Sao Paulo, Brasil.[r] ...
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TítuloA mixed finite element method for the generalized Stokes problem
... pair for the usual primal-mixed variational formulation of the generalized Stokes problem. In this case, the pressure is approximated by continuous piecewise linear elements on a triangular mesh, and the velocity is ...
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FINITE ELEMENT CRANE ANALYSIS ACCORDING TO UNE 58132-2 STANDARD
... The objective of this lab is to analyse, by means of a finite element package (Ansys), a jib crane structure. Static and modal analysis will be carried out. This lab will allow to learn not only Ansys, but ...
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Numerical Error Prediction and its applications in CFD using tau-estimation
... A discretisation technique widely used within the industry is the so-called Finite Vol- ume approach on unstructured meshes. This technique spatially discretises the flow motion equations onto a set of elements ...
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Finite element model for crack propagation in a fretting fatigue problem
... the element, as well as the values, at the beginning of the current increment, of the solution-dependent state variables associated with the ...this element and a control flag array indicating which ...
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NUMERICAL APPROXIMATION OF THE BOUNDARY CONTROL FOR THE WAVE EQUATION WITH MIXED FINITE ELEMENTS IN A SQUARE
... 2. As in the previous example, a conjugate gradient algorithm based on the simplest discretization of the wave equation diverges. On the contrary, the use of scheme (7.4) allows to obtain convergence without ...
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FINITE ELEMENT MODEL OF REAL FURNITURE IN SMALL ROOMS AT LOW FREQUENCIES
... In this paper a description was given of an investigation of the effect of a real element of furniture on room frequency responses. From the previous investigations described in [3-5] it was assumed initially ...
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TítuloA generalized statement for advective diffusive phenomena Finite element model and applications
... upwind finite element formulations were reviewed [7] and other new techniques were ...upwind finite element ...upwind finite element ...
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Dissipative Finite Element Formulation Applied to Piezoelectric Materials With the Debye Memory
... non-linear finite element applied to multi-coupled materials, optimization and inverse modeling, with some incursions in seismic engineering applied to experimental design in High Energy ...
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Implementation of user element subroutines for frequency domain analysis of wave scattering problems with commercial finite element codes
... This report is organized as follows. In the first chapter the wave scattering problem in elastody- namics is reviewed in differential and integral form. The formulation used by Bielak & Christiano (1984) in terms of ...
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Evaluación del aporte mecánico de un geosintético como material de refuerzo en pavimentos flexibles, ante distintas configuraciones cargas reales
... A finite element model is developed in the ABAQUS software, with the aim of describing the approximate and logical behavior of a four-layer flexible pavement structure with the addition of a geosynthetic ...
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