Mixed finite element method
TítuloA mixed finite element method for the generalized Stokes problem
... new mixed finite element method for the generalized Stokes prob- ...the finite element subspaces providing stability coincide with those employed for the usual Stokes flows ...
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TítuloA posteriori error analysis of an augmented mixed finite element method for Darcy flow
... the mixed formulation, with pressure and velocity as ...of finite element ...stabilized mixed finite element method introduced by Masud and Hughes in [15] for isotropic ...
20
TítuloA low order mixed finite element method for a class of quasi Newtonian Stokes flows Part I: a priori error analysis
... In the recent papers [3,16] we analyzed dual-mixed formulations for non-linear boundary value problems in plane elasticity. In the case of incompressible materials, we considered the non-Newtonian model from ...
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BOUNDARY CONTROLLABILITY OF A LINEAR SEMI-DISCRETE 1-D WAVE EQUATION DERIVED FROM A MIXED FINITE ELEMENT METHOD
... by finite differences or the classical finite element method (see [8],[19] for a detailed analysis of the 1-D case and [18] for the 2-D case, in the context of the dual observability ...
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TítuloA residual based a posteriori error estimator for an augmented mixed finite element method in linear elasticity
... traditional mixed methods, and besides the fact, already emphasized, of being able to choose any finite element subspace, our augmented approach presents other important advantages, as ...augmented ...
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TítuloA low order mixed finite element method for a class of quasi Newtonian Stokes flows Part II: a posteriori error analysis
... low-order mixed finite element method for a class of nonlinear Stokes models arising in quasi-Newtonian ...finite element sub- ...the mixed finite element ...the method are ...
19
Finite element approximation of the vibration problem for a Timoshenko curved rod
... a mixed finite element method for computing the vibration modes of a Timoshenko curved rod with arbitrary ...the method is locking ...
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TítuloStabilized dual mixed method for the problem of linear elasticity with mixed boundary conditions
... simpler finite element subspaces, includ- ing convenient equal-order interpolations that are generally unstable within the mixed ...stabilized mixed finite element method ...
6
Greif_Sc...pdf
... An Uzawa-type algorithm for the saddle point system, coupled with a domain decomposition approach, has been proposed in [ 12 ] . The original system is transformed into a new system by augmentation with the scalar ...
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Finite element simulation of sandwich panels of plasterboard and rock wool under mixed mode fracture
... The numerical approach is incorporated in the commercial finite element code ABAQUS©, by means of a user subroutine for the material (UMAT). In summary it can be said that the model uses constant strain ...
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FINITE ELEMENT MODELS Lightweight cavity wall
... It is recognised that low frequency sound transmission into and between dwellings is an increasing contribution to nuisance. Sources of low frequency noise include hi-fi and home movie systems of high power and enhanced ...
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A Fixed Grid method for hyperelastic models in large strain analysis using the level set method
... This system of equations are solved by use of an incremental formulation. Here ˆ u and ˆ p are the vectors of nodal point incremental displacements and pressures, respectively. t+∆t R is the vector of externally applied ...
12
Panel method for the aerodynamic calculation of mixed configurations with finite thickness and zero thickness
... First of all, I want to thank my thesis director Ana Laverón Simavilla for the op- portunity of doing my Ph.D in this subject and for all the advise and support I got from her, not only for this thesis development but ...
149
A C1 finite element for Kirchhoff plate bending
... T h e use of several k i n d s of elements within the family c a n relieve s o m e c o m p u t a t i o n a l effort. L o w degree elements can be used near t h e b o u n d a r y , n o r m a l l y in large n u m b e r s ...
25
Software alternativo para el cálculo de los parámetros matriciales eléctricos de líneas de transmisión
... The finite element method (FEM) has developed rapidly as a topic ofresearch in electrical ...numerical method that can be used to calculate the electromagnetic fields, electromagnetic forces, ...
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Development of a System for the Computation of Electromagnetic Wave Scattering from Non-Penetrable Objects by Solving the Electric Field Integral Equation
... the Method of Moments has been thoroughly reviewed, starting from the mathematical base, then applying the method to an electrostatic problem (the capacitor, where two of its characteristics were studied: ...
56
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 ...
14
Primal and Mixed Finite Element Methods for Deformable Image Registration Problems
... computational method for image analy- sis, with promising applications in the diagnosis of human ...primal, mixed and augmented formulations for the DIR problem, together with their ...
27
An application of the finite element method to curve fitting
... continuity requierements, including the fir9t deri vative or even the curvature. The most important aspect of the FEM both for this type of problem snd for other problems, involves the selection of shape or interpolation ...
7
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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