finite element methods
Top PDF finite element methods:
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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Primal and Mixed Finite Element Methods for Deformable Image Registration Problems
... the finite-element framework adopted in this work, are the introduction of a-posteriori mesh refinement methods, where recent results in linear elasticity for mixed formulations with Neumann boundary ...
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ADAPTIVE SPACE-TIME FINITE ELEMENT METHODS FOR ACOUSTICS SIMULATIONS IN UNBOUNDED DOMAINS
... space-time element, the trial solution and weighting function are approximated by a finite basis which depend on both spatial x , and tem- poral t, ...of finite element basis functions in our ...
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FINITE ELEMENT CRANE ANALYSIS ACCORDING TO UNE 58132-2 STANDARD
... Finite element methods are currently being applied to solve many mechanical problems. It allows to analyse the crane structure stress, forces, accelerations,... so as to verify that it has been ...
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NUMERICAL APPROXIMATION OF THE BOUNDARY CONTROL FOR THE WAVE EQUATION WITH MIXED FINITE ELEMENTS IN A SQUARE
... usual finite difference or finite element methods do not provide convergent sequences of approximations to the boundary control of the continuous wave equation, as the mesh size goes to zero ...
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HERMESH : a geometrical domain composition method in computational mechanics
... Nitcshe methods, and other methods like contact mechanics or extended finite elements methods, among others, are ...spectral element and mortar finite element ...these ...
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Solving New Poroelastic Models by Finite Element Method
... order finite method introduced by Raviart and Thomas has been applied in Bermúdez et al [3] to the case of porous media with rigid skeleton to solve, in particular, the response problem when using both a Darcy's ...
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TítuloA mixed finite element method for the generalized Stokes problem
... associated finite element subspace (for instance, piece- wise constant functions become a feasible ...dual-mixed methods lies on the possibility of introducing further unknowns with a physical ...
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Nearfield of multi-element source radiating a finite amplitude wave
... Radiation of biharmonic wave of finite amplitude into the same area involves considerable broadening of the spectrum of wave. There appear higher harmonic components of primary waves, as well as the waves of ...
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DISPLACEMENT VERSUS PRESSURE FORMULATIONS IN ELASTOACOUSTICS: FINITE ELEMENT APPROXIMATION
... We consider the same standard piecewise linear and continuous elements to discretize each variable on the solid displacement. For the fluid displacement we choose the lowest degree Raviart- Thomas tetrahedral finite ...
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Vibration analysis of a temple bell by Finite Element Method
... element was composed of 20 contact points. The elements of the Komazume and Doza parts were made smaller than the other parts. The number of circumferential divisions was 60, and the upper two small areas were ...
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FINITE ELEMENT MODELS Lightweight cavity wall
... measurement methods, which assume diffuse field conditions, cannot apply. A finite element model was used to study sound insulation of solid heavyweight walls and lightweight cavity walls, for ...
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OPTIMIZATION METHODS FOR THE ITERATIVE SOLUTION OF COUPLED FLUID-STRUCTURAL PROBLEMS
... Analytical solutions of the Helmholtz equation can only be obtained for very simple enclosure geometries. So, to be able to accurately calculate the sound field in arbitrary shaped enclosures, one has to resort to ...
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