[PDF] Top 20 TítuloA mixed finite element method for the generalized Stokes problem

... provide the numerical results obtained for Example 3 with (α, ν) = (10, 1) and (α, ν) = (100, ...As for the previous examples, e(σ) is again the dominant part of the global error ... See full document

... presenting the examples, we would like to remark in advance that, as compared with more traditional mixed methods, and besides the fact, already emphasized, of being able to choose any finite ... See full document

... extend the applicability of the augmented dual-mixed method introduced recently in [4, 5] to the problem of linear elasticity with mixed boundary ...conditions. The ... See full document

... 1979 the Winter Annual Meeting of the ASME was held in New ...upwind finite element formulations were reviewed [7] and other new techniques were ...scheme for achieving an upwind ... See full document

... in the medical imaging community, the mathematical and numerical analysis of DIR remains ...understudied. The DIR continuous problem has been formulated using mainly three approaches: ... See full document

... of the MLG–BDF2 method. In this section we perform the error analysis of the method following a step by step ...concerning the convergence of the semidiscrete ... See full document

... computational method for image analysis, with promising applications in the diagnosis of human ...in the medical imaging community, the mathematical and numerical analysis of DIR ... See full document

... a Finite Element formulation for the resolution of the – local and convective acceleration terms including- Navier-Stokes equations, which gives analytical response to the ... See full document

... The problem of Darcy flow is of great importance in civil, geotechnical and petroleum ...describes the flow of a fluid through a porous medium. The natural unknowns are the fluid ... See full document

... On the other hand, we recall that the application of adaptive algorithms, based on a posteriori error estimates, usually guarantees the quasi-optimal rate of convergence of the finite ... See full document

... to the vibration problem the mixed finite element method proposed and analyzed by Arunakirinathar and Reddy in [2] for the load problem for ... See full document

... The mixed finite element method proposed in the present paper simply relies on the introduction of the stress and gradient of the velocity tensors as auxiliary ... See full document

... of the Finite Element Method (FEM) to the solution of a geometric problem is ...shown. The problem is related to curve fitting ...in the practice and ... See full document

... For the introduced example, using a force on the structure surface this approach has been ...tested. The uncoupled solution was taken as a starting point, and four solution update steps were ... See full document

... to the configuration presented in the ...estimate the actual tensions distribution in a stress concentrator, along the Y axis, carrying out the following procedure: ... See full document

... to the analysis of a fully dis- crete nonlinear FEM–BEM ...On the one hand, unless the nonlinear operator is Lipschitz continuous and strongly monotone, Strang’s lemma is not satisfied and there is no ... See full document

... On the other hand, to obtain highly accurate solutions by means of standard techniques (FEM, Finite Dierences) should imply unapproachable computing requirements; analytical solutions ar[r] ... See full document

... 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 ... See full document

... Besides the propagating problem of electromagnetic waves in matter, this work mainly concerns with the effects undergone when an EMW goes throw a discontinuity in the propagating ...of ... See full document

... In the rest of the paper we consider a coupled system consisting of an acoustic fluid ...be the domains occupied by the fluid and the porous medium, respectively (see Figure ... See full document