Finite elements

Top PDF Finite elements:

A semi-implicit non-hydrostatic dynamical kernel using finite elements in the vertical discretization

A semi-implicit non-hydrostatic dynamical kernel using finite elements in the vertical discretization

... The purpose of this work is to develop and test a vertical slice non hydrostatic model kernel as a first step to implement it in a full diabatic three dimensional numerical weather prediction model. The vertical ...

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NUMERICAL APPROXIMATION OF THE BOUNDARY CONTROL FOR THE WAVE EQUATION WITH MIXED FINITE ELEMENTS IN A SQUARE

NUMERICAL APPROXIMATION OF THE BOUNDARY CONTROL FOR THE WAVE EQUATION WITH MIXED FINITE ELEMENTS IN A SQUARE

... considered. More precisely, while the usual linear finite elements are used for the former, dis- continuous elements approximate the latter. This new scheme still has spurious high-frequency ...

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Comparison of the crack pattern in accelerated corrosion tests and in finite elements simulations

Comparison of the crack pattern in accelerated corrosion tests and in finite elements simulations

... Corrosion of rebars is an important pathology in rein- forced steel concrete structures. It consists of the gen- eration of an oxide layer at the steel surface that induces internal pressure on the surrounding concrete, ...

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Study of Electric charge induction with a three-dimensional model using the finite elements method

Study of Electric charge induction with a three-dimensional model using the finite elements method

... Using the Comsol Multiphysics® software [4], we built a model to illustrate the explanation about the induc- tion of electric charges on objects. The software solves many mathematical problems related to Chemistry, En- ...

5

Grad div stabilization for the time dependent Boussinesq equations with inf sup stable finite elements

Grad div stabilization for the time dependent Boussinesq equations with inf sup stable finite elements

... mixed finite elements such as the Crouzeix-Raviart element are covered by the analysis in the present paper, since we do not assume continuity of the pressure ...

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Non conforming finite elements schemes for cardiac modeling

Non conforming finite elements schemes for cardiac modeling

... In the study of the functioning of the heart, computational cardiology has made great advances due to the improvement of biophysical models and computational tools. Currently, it is possible to model the electrical ...

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SPECTRAL WAVEGUIDE FINITE ELEMENTS

SPECTRAL WAVEGUIDE FINITE ELEMENTS

... spectral finite element method (SFEM) applied to waveguide problems, referenced in [ 1 ] – [ 3 ] can be viewed as a merger of the dynamic stiffness method and the finite element ...pipe elements for ...

5

Model for Delamination Propagation in Multilayered Materials at 0o/Θo Interfaces: a Comparison between Experimental and Finite Elements Strain Energy Release Rates

Model for Delamination Propagation in Multilayered Materials at 0o/Θo Interfaces: a Comparison between Experimental and Finite Elements Strain Energy Release Rates

... the finite element MPFEAP based on the LS1 model and implemented in the software ...3D finite elements and cohesive zone method (CZM) as it uses 2D plate finite ...3D finite ...

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Combining the DPG Method with Finite Elements

Combining the DPG Method with Finite Elements

... In this paper, we develop a discretization method that combines DPG techniques with standard finite elements. In this way, one can restrict the use of more expensive DPG approximations to regions where they ...

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HERMESH : a geometrical domain composition method in computational mechanics

HERMESH : a geometrical domain composition method in computational mechanics

... so-called Finite Element Tearing and Interconnecting (FETI) meth- ods, Farhat & Roux ...use finite elements with SUPG stabilization in the interior of the subdomain so that almost arbitrary ...

211

TítuloA particle numerical approach based on the
SPH method for computational fluid
Mechanics

TítuloA particle numerical approach based on the SPH method for computational fluid Mechanics

... The ability of the Smoothed Particle Hydrodynamics method to handle severe distortions allows this technique to be succesfully applied to simulate fluid flows in CFD applications. Early SPH formulations included both a ...

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TítuloMeshless methods applied to potential flow problems

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 ...

5

An experimental and numerical study of the pattern of cracking of concrete due to steel reinforcement corrosion

An experimental and numerical study of the pattern of cracking of concrete due to steel reinforcement corrosion

... interface elements are inserted b e t w e e n the steel and the ...interface elements, the so called expansive joint elements, incorporate both the expansion and the evolving mechanical properties of ...

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Epistemic uncertainty of linear building models and inelastic continuum concrete models

Epistemic uncertainty of linear building models and inelastic continuum concrete models

... Comparisons between analytical periods and those obtained from ambient vibrations for all six buildings are shown in Fig. 1.3.7. The AW models is the one that leads to small- est error in the prediction of vibration ...

286

A comparison between PML, infinite elements and an iterative BEM as mesh truncation methods for HP self-adaptive procedures in electromagnetics

A comparison between PML, infinite elements and an iterative BEM as mesh truncation methods for HP self-adaptive procedures in electromagnetics

... of finite elements would have been displayed in the ...infinite elements are placed very close to arbitrary scatterers, the hp-adaptivity demands h-refinements of the infinite elements in the ...

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Numerical Error Prediction and its applications in CFD using tau-estimation

Numerical Error Prediction and its applications in CFD using tau-estimation

... the finite difference discretisation of the first derivative to compare its expression on the non-uniform physical domain and on the uniform transformed ...ing finite difference or finite volume to ...

161

plant transposable elements

plant transposable elements

... Figure 5 | Epigenetic silencing of transposable elements. The figure emphasizes the role of host-encoded proteins in transcriptional gene silencing (TGS) and post-transcriptional gene silencing (PTGS) as revealed ...

13

Finite Fields Computations in Maxima

Finite Fields Computations in Maxima

... This file documents a Maxima package for computations in finite fields. It is suitable for teach- ing and exploration. The first version of the package was based on the paper “Finite Fields Manipulations in ...

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Elements de geometria en l'espai

Elements de geometria en l'espai

... Expressant els plans mitjançant una equació i les rectes mitjançant un sistema de dues equacions, es poden deduir les relacions entre aquests elements examinant les solucions del sistema d’equacions que resulta de ...

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Mechanical damage in concrete and other cohesive materials

Mechanical damage in concrete and other cohesive materials

... structural elements with given geometries, material properties and bound- ary ...the finite element [4], finite difference [5] and mesh-free methods ...

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