adaptive finite-element meshes
On the adaptive selection of the parameter in stabilized finite element approximations
... fixed meshes are shown in Table 2, where we present the percentage gains and the approximations of the optimal value for the stabilization parameters α opt , α opt,V , and α opt,P ...
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A multilevel approach for obtaining locally optimal finite element meshes
... the mesh in some manner. This may be through local refi nement (e.g. [10]) or through more global remeshing (e.g. [15]) but has the general aim of increasing the number of vertices and elements in those regions of the ...
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An adaptive stabilized finite element method for the generalized Stokes problem
... the adaptive scheme based on our a posteriori error estimator to generate adapted meshes and to improve the discrete solution without using a highly refined uniform ...exact finite element ...
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An adaptive finite element approximation of a variational model of brittle fracture
... 6. Conclusion. We have presented two adaptive algorithms for computing finite element approximations of local minimizers of the Ambrosio–Tortorelli functional. In this paper, we have focused primarily on ...
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Analysis of a non-standard finite element method based on boundary integral operators
... polyhedral meshes without further de- composition of the polyhedra into ...particular element topology. For instance, this freedom is advantageous in adaptive mesh re- finement: straightforward ...
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hp adaptive composite discontinuous Galerkin methods for elliptic problems on complicated domains
... of finite elements, referred to as Composite Finite Elements (CFEs), have been developed for the numerical solution of partial differential equations, which are particularly suited to problems characterized ...
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Adaptive Finite Element Method for Steady Convection Diffusion Equation
... For two-dimensional problems, several estimators have been shown to be asymptotically exact when used on uniform meshes provided the solution of the problem is smooth enough [6]-[8]. Estimators based on computing ...
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Hypergraph Grammars in hp-adaptive Finite Element Method
... computational meshes have been represented by composition ...mesh element, and relations between them many graph nodes with bonds are ...a finite element together with the corresponding ...
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Paper 01-2012-2
... hp Finite Element Method (hp-FEM) with shared data structures and with parallel multi-frontal direct ...of meshes delivering exponential convergence of the prescribed quantity of interest with ...
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On the convergence of adaptive nonconforming finite element methods for a class of convex variational problems
... an adaptive P 1 -solution ¯ u for the same problem, though possibly on different meshes, and we plot the difference in energy J p (¯ u ) − J p (u ...the adaptive nonconforming algorithm, then the mesh ...
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Locally optimal unstructured finite element meshes in 3 dimensions
... ping component of the hybrid algorithm is crucial. This may be demonstrated, for example, by contrasting the results of Table 2 with those obtained for the same test problem but without the connectivity optimization step ...
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Magnetic Field Analysis of Two Pole DC Motor using Adaptive Finite Element Method in Mat Lab
... The main difficulty with computational analysis is that a very large number of free modeling parameters are frequently necessary for computing accurate and reliable simulations of realistic systems: sufficient ...
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Adaptive Finite Element Modeling of Fatigue Crack Propagation
... comprehensive adaptive Finite Element model for fatigue crack propagation analysis was developed using the developed source code written in FORTRAN ...
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Postdoctoral researcher, Aerospace and Mechanical Engineering, USC July, 2020 to present Developing deep learning tools for Bayesian inference.
... Entropy stable schemes for compressible flows on unstructured meshes (20th December, 2014) Conference on Computational PDEs, Finite Element Meet, TIFR-CAM.. Entropy stable schemes for co[r] ...
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Construction of Finite Element Meshes for Polycrystal Grains Model from X ray CT Image
... crystal-plasticity finite element (CPFE) analysis exists as a simulation to reproduce elasto-plastic de- formation behaviors in a polycrystal grain ...into finite element analysis and it is ...
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EURCYL A Computer Program to Generate Finite Element Meshes for Cylinder Cylinder Intersections EUR 5030
... external vessel radius internal vessel radius vessel length external nozzle radius internal nozzle radius nozzle length outside transition radius = 0 if transition not curved inside tran[r] ...
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Fast Finite Element Method Using Multi-Step Mesh Process
... the finite element method, based on the multi- level mesh ...with adaptive mesh process; therefore the both methods can be combined to use the advantages of them, ...
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A PARALLEL GEOMETRIC MULTIGRID METHOD FOR FINITE ELEMENTS ON OCTREE MESHES
... 8. Add the values recieved in step 7 to the existing values in the output vector. 3.5. Handling variable-coefficient operators. One of the problems with ge- ometric multigrid methods is that their performance ...
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System Level Crash Sled Simulations for Evaluating Helicopter Adaptive Seat Damper
... III finite element crash dummy model closely represents the Hybrid III Anthropomorphic Test Device (ATD) that is typically used in crash sled testing for injury assessment ...5-point finite ...
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hp Adaptive discontinuous Galerkin methods for neutron transport criticality problems
... error estimator we have designed and implemented both h- and hp-refinement strate- gies, which are capable of automatically refining the finite element spaces employed within both the spatial and angular ...
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