Department of Mathematics and Systems Analysis

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Research reports by Jarkko Niiranen

Here are the reports authored by Jarkko Niiranen. See the reports of all authors.

Helsinki University of Technology Institute of Mathematics Research Reports A

A556
Lourenço Beirão da Veiga, Jarkko Niiranen, Rolf Stenberg
A posteriori error analysis for the Morley plate element with general boundary conditions   [pdf][ps]
Received 2008-12-15 * nonconforming finite elements, a posteriori error analysis, Morley plate element, Kirchhoff plate model, boundary conditions * AMS 65N30, 74S05, 74K20 * 31 pages
A534
Jarkko Niiranen
A priori and a posteriori error analysis of finite element methods for plate models   [pdf][ps] abstract: [pdf][ps]
Received 2007-10-15 * finite elements, a priori error analysis, a posteriori error analysis, plate models, MITC-elements, adaptivity * AMS 65N30, 74S05, 74K20 * 28 pages
A526
Lourenço Beirão da Veiga, Jarkko Niiranen, Rolf Stenberg
A family of C^0 finite elements for Kirchhoff plates II: Numerical results   [pdf][ps] abstract: [pdf][ps]
Received 2007-05-25 * finite elements, Kirchhoff plate model, free boundary, a-priori error tests, a-posteriori error tests, adaptivity * AMS 65N30, 74S05, 74K20 * 29 pages
A492
Lourenço Beirão da Veiga, Jarkko Niiranen, Rolf Stenberg
A posteriori error estimates for the plate bending Morley element   [pdf][ps] abstract: [pdf][ps]
Received 2006-02-01 * nonconforming finite elements, a posteriori error analysis, Morley plate element, Kirchhoff plate model, biharmonic problem * AMS 65N30, 74S05, 74K20 * 15 pages * Errata appended to the document on Oct 12, 2006.
A483
Lourenço Beirão da Veiga, Jarkko Niiranen, Rolf Stenberg
A family of C^0 finite elements for Kirchhoff plates   [pdf][ps] abstract: [pdf][ps]
Received 2006-01-10 * finite elements, Kirchhoff plate model, free boundary, a-priori error analysis, a-posteriori error analysis * AMS 65N30, 74S05, 74K20 * 30 pages
A482
Mikko Lyly, Jarkko Niiranen, Rolf Stenberg
A refined error analysis of MITC plate elements   [pdf][ps] abstract: [pdf][ps]
Received 2005-04-13 / Revised 2005-04-18 * Reissner--Mindlin plates, MITC finite element methods, error analysis * AMS 65N30, 74S05, 74K20 * 12 pages
A474
Mikko Lyly, Jarkko Niiranen, Rolf Stenberg
Superconvergence and postprocessing of MITC plate elements   [pdf][ps] abstract: [pdf]
Received 2005-01-20 / Revised 2005-02-12 * Reissner--Mindlin plates, MITC finite element methods, superconvergence, postprocessing * AMS 65N30, 74S05, 74K20 * 29 pages

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