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Finite element

FINITE ELEMENT MODELS Lightweight cavity wall

FINITE ELEMENT MODELS Lightweight cavity wall

... A finite element model was used to study sound insulation of solid heavyweight walls and lightweight cavity walls, for varying room volumes, shape and construction ...

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Finite element approximation of the vibration problem
			for a Timoshenko curved rod

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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TítuloA mixed finite element method for the generalized Stokes problem

TítuloA mixed finite element method for the generalized Stokes problem

... In recent years considerable effort has gone into the design and study of efficient numerical methods to solve (1.1). The new proposed algorithms apply and combine different techniques, which include Uzawa’s schemes, ...

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FINITE ELEMENT CRANE ANALYSIS ACCORDING TO UNE 58132-2 STANDARD

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 correctly ...

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An application of the finite element method to curve fitting

An application of the finite element method to curve fitting

... The finite element method was first used more than twenty five years ago [l] in the solving of a structural ...and finite prisms, etc.), as the well known boundary element method, are just ...

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Implementation of user element subroutines for frequency domain analysis of wave scattering problems with commercial finite element codes

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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Dissipative Finite Element Formulation Applied to Piezoelectric Materials With the Debye Memory

Dissipative Finite Element Formulation Applied to Piezoelectric Materials With the Debye Memory

... This work presents a finite element study of the Debye memory in piezoelectric devices. This memory dependency is due to the spontaneous polarization of the electric dipoles and it can be understood as a ...

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Finite Element Model of the Innovation Diffusion: An Application to Photovoltaic Systems

Finite Element Model of the Innovation Diffusion: An Application to Photovoltaic Systems

... the Finite Element Model to a semi-real case on the diffusion of PV in a particular area in southern ...a Finite Element Model to the case of diffusion of hybrid cars in ...

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Finite element formulation for large displacement analysis

Finite element formulation for large displacement analysis

... In the manufacturing industry, inspection procedures are becoming more common every day. This task constists on measuring how much difference ex- ists between the original-ideal object specified by the designer, and the ...

160

Solving New Poroelastic Models by Finite Element Method

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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Primal and Mixed Finite Element Methods for Deformable Image Registration Problems

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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A C1 finite element for Kirchhoff plate bending

A C1 finite element for Kirchhoff plate bending

... T h e types of e l e m e n t s which satisfy this c o n d i t i o n a r e referred to in the l i t e r a t u r e as c o n f o r m i n g or c o m p a t i b l e elements. H o w e v e r , it has been s h o w n in References ...

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Numerical modeling of fiber specklegram sensors by using finite element method (FEM)

Numerical modeling of fiber specklegram sensors by using finite element method (FEM)

... As a first approximation for 2D case, Eq. (17) can be solved as an infinite waveguide where the refraction index is supposed constant along the propagation axis ( z -direction). Here, the electric field can be computed ...

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DISPLACEMENT VERSUS PRESSURE FORMULATIONS IN ELASTOACOUSTICS: FINITE ELEMENT APPROXIMATION

DISPLACEMENT VERSUS PRESSURE FORMULATIONS IN ELASTOACOUSTICS: FINITE ELEMENT APPROXIMATION

... Abstract: Two finite element methods for the numerical computation of fluid- structure vibration problems are considered. They are applied to two formulations based on different variables to describe the fluid: ...

6

Finite element model for crack propagation in a fretting fatigue problem

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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Primal and mixed finite element methods for image registration

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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Vibration analysis of a temple bell by Finite Element Method

Vibration analysis of a temple bell by Finite Element Method

... Figure 7 shows the sectional shape and dimensions of Hojobo’s Doza. Though the real Doza shape is circular, the FEM-simulated shape was configured with quadrilateral factors (See Fig. 1) on condition that the area of ...

7

Advanced Computational Methods for Dam Protections Against Overtopping

Advanced Computational Methods for Dam Protections Against Overtopping

... Advanced finite element techniques are combined with particle techniques and artificial neural networks in the framework of the Kratos Multiphysics for reaching the optimal solution procedure for any of the ...

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OPTIMIZATION METHODS FOR THE ITERATIVE SOLUTION OF COUPLED FLUID-STRUCTURAL PROBLEMS

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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TítuloMeshless methods applied to potential flow problems

TítuloMeshless methods applied to potential flow problems

... the finite element method, the first step to construct a meshless method is the generation of a local approximation to the solution in terms of the nodal ...Diffuse Element Method and the ...

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