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Using Different FEM Formulations in Calculations of Thin-Walled Structures
Structural Mechanics of Engineering Constructions and BuildingsA comparative analysis of the accuracy of finite element solutions of a thin-walled structure in the form of an ellipsoidal shell using displacement-based and mixed FEM is presented.
Mikhail Yu. Klochkov
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Subgrid Upscaling and Mixed Multiscale Finite Elements [PDF]
SIAM Journal on Numerical Analysis, 2006 Second order elliptic problems in divergence form with a highly varying leading order coefficient on the scale epsilon can be approximated on coarse meshes of spacing H \gg epsilon only if one uses special techniques. The mixed variational multiscale method, also called subgrid upscaling, can be used, and this method is extended to
Todd Arbogast, Kirsten J. Boyd
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Yantu gongcheng xuebao, 2019 For geotechnical stability problems, the limit equilibrium method (LEM) and shear strength reduction finite element method (SSRFEM) have been commonly used.
WANG Dong-yong , CHEN Xi , LÜ Yan-nan , REN Jin-lan
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Abstract and Applied Analysis, 2013 We introduce a mixed finite element method for an elliptic equation modelling Darcy flow in porous media. We use a staggered mesh where the two components of the velocity and the pressure are defined on three different sets of grid nodes.
Xindong Li, Hongxing Rui
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Dynamic Analysis of Carbon Fiber-Reinforced Wood Composites Based on Finite Element Model
BioResources, 2015 Carbon fibers were pretreated by ultrasonic agitation and then were used to manufacture carbon fiber-reinforced wood composites (CFRWCs). The modulus of rupture (MOR) and the modulus of elasticity (MOE) for the CFRWCs were measured.
Dongyan Zhang, Haiming Liu, Liping Sun
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Mixed finite elements of higher-order in elastoplasticity
Applied Numerical Mathematics20 ...
Patrick Bammer +2 more
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Mixed finite element-finite volume methods
Bulletin of the Belgian Mathematical Society - Simon Stevin, 2010 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zine Dine, Khadija +2 more
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A Software Framework for Mixed Finite Element Programming [PDF]
, 2002 Many code developers think the implementation of mixed finite elements on general unstructured meshes is challenging. This assertion is reflected in the many efforts on constructing stabilized finite element methods (e.g. for flow problems), where standard elements can be used, and the fact that there are very few libraries offering a mixed finite ...
Hans Petter Langtangen +1 more
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Mixed finite element approximation for a contact problem in electro-elasticity
Kuwait Journal of Science, 2015 The present paper is concerned with the frictionless contact problem between two electroelasticbodies in a bidimensional context. We consider a mixed formulation in which theunknowns are the displacement field, the electric potential field and the ...
TEDJANI HADJ AMMAR +2 more
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A direct block sparse solution of the mixed finite element equations
Computer Assisted Methods in Engineering and Science, 2023 In this paper a practical procedure for the solution of really sized mixed problems, generating a continuous stress field (where appropriate) and having both the stress and displacement boundary conditions exactly satisfied, is described.
Mladen Berkovic +2 more
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