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ADCM
2015
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10 years 1 months ago
Mixed finite elements for elasticity on quadrilateral meshes
We present the first stable mixed finite elements for plane elasticity on general quadrilateral meshes. The symmetry of the stress tensor is imposed weakly and so there are three...
Douglas N. Arnold, Gerard Awanou, Weifeng Qiu
ADCM
2015
17views Database» more  ADCM 2015»
10 years 1 months ago
Order-preserving derivative approximation with periodic radial basis functions
In this exploratory paper we study the convergence rates of an iterated method for approximating derivatives of periodic functions using radial basis function (RBF) interpolation. ...
Edward J. Fuselier, Grady B. Wright
ADCM
2015
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10 years 1 months ago
Multilevel approximation of the gradient operator on an adaptive spherical geodesic grid
Ratikanta Behera, Mani Mehra, Nicholas K.-R. Kevla...
ADCM
2015
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10 years 1 months ago
A computational tool for comparing all linear PDE solvers - Error-optimal methods are meshless
The paper provides a computational technique that allows to compare all linear methods for PDE solving that use the same input data. This is done by writing them as linear recovery...
Robert Schaback
Database
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