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SIAMNUM
2010
114views more  SIAMNUM 2010»
8 years 6 months ago
A Posteriori Error Estimation Based on Potential and Flux Reconstruction for the Heat Equation
We derive a posteriori error estimates for the discretization of the heat equation in a unified and fully discrete setting comprising the discontinuous Galerkin, finite volume, mix...
Alexandre Ern, Martin Vohralík
SIAMNUM
2010
106views more  SIAMNUM 2010»
8 years 6 months ago
Approximation of the Buckling Problem for Reissner-Mindlin Plates
This paper deals with the approximation of the buckling coefficients and modes of a clamped plate modeled by the Reissner-Mindlin equations. These coefficients are related with the...
Carlo Lovadina, David Mora, Rodolfo Rodrígu...
MCM
2010
8 years 6 months ago
Electromagnetic interrogation and the Doppler shift using the method of mappings
We consider the electromagnetic detection of hidden moving or oscillating conductive targets. The resulting mathematical problem involves computation of a Doppler shift for an ele...
H. T. Banks, Shuhua Hu, W. Clayton Thompson
IMCSIT
2010
8 years 6 months ago
Higher order FEM numerical integration on GPUs with OpenCL
Paper presents results obtained when porting FEM 2D linear elastostatic local stiffness matrix calculations to Tesla architecture with OpenCL framework. Comparison with native NVID...
Przemyslaw Plaszewski, Krzysztof Banas, Pawel Maci...
MOC
2002
115views more  MOC 2002»
8 years 11 months ago
Approximation by quadrilateral finite elements
We consider the approximation properties of finite element spaces on quadrilateral meshes. The finite element spaces are constructed starting with a given finite dimensional space ...
Douglas N. Arnold, Daniele Boffi, Richard S. Falk
MOC
2002
92views more  MOC 2002»
8 years 11 months ago
Error indicators for the mortar finite element discretization of the Laplace equation
The mortar technique turns out to be well adapted to handle mesh adaptivity in finite elements, since it allows for working with nonnecessarily compatible discretizations on the el...
Christine Bernardi, Frédéric Hecht
CPHYSICS
2004
79views more  CPHYSICS 2004»
8 years 11 months ago
Hybrid kinetic-MHD simulations in general geometry
We present a hybrid kinetic-MHD model consisting of 3 species, the bulk fluid ions and electrons, and a kinetic minority hot particle species. The 3 species equations are derived ...
Charlson C. Kim, Carl R. Sovinec, Scott E. Parker
SMA
2008
ACM
157views Solid Modeling» more  SMA 2008»
8 years 11 months ago
Interactive physically-based shape editing
We present an alternative approach to standard geometric shape editing using physically-based simulation. With our technique, the user can deform complex objects in real-time. The...
Johannes Mezger, Bernhard Thomaszewski, Simon Pabs...
SIAMSC
2008
167views more  SIAMSC 2008»
8 years 11 months ago
New Finite Elements for Large-Scale Simulation of Optical Waves
We present a new method to simulate optical waves in large geometries. This method is based on newly developed finite elements, so-called Trigonometric Finite Wave Elements (TFWEs)...
Britta Heubeck, Christoph Pflaum, Gunther Steinle
SIAMSC
2008
111views more  SIAMSC 2008»
8 years 11 months ago
An Algebraic Multigrid Approach Based on a Compatible Gauge Reformulation of Maxwell's Equations
With the rise in popularity of compatible finite element, finite difference and finite volume discretizations for the time domain eddy current equations, there has been a correspon...
Pavel B. Bochev, Jonathan J. Hu, Christopher M. Si...
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