Unpublished conference/Abstract (Scientific congresses, symposiums and conference proceedings)
Error estimation and space-time adaptivity for the isogeometric analysis of transient structural dynamics
Yu, Peng; Claus, Susanne; Bordas, Stéphane et al.
2016ACME Conference 2016
 

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Keywords :
IGA; error estimation; space-time; dynamics
Abstract :
[en] This paper presents a new adaptive scheme for the error-controlled simulation of transient dynamics problem. We rely on spline bases for the higher-order spatial description of our kinematic fields. Local adaptivity is performed by employing a hierarchical T-mesh technology, in combination with geometry independent field approximation. The Newmark algorithm is chosen to solve the semidiscrete equation of motion. We will present some simple local error estimates to drive the adaptivity, and show how we can ensure that the mechanical energy of conservative systems is preserved during the refinement process.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Yu, Peng
Claus, Susanne
Bordas, Stéphane ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Kerfriden, Pierre
External co-authors :
yes
Language :
English
Title :
Error estimation and space-time adaptivity for the isogeometric analysis of transient structural dynamics
Publication date :
01 April 2016
Event name :
ACME Conference 2016
Event date :
March 31, 2016- April 1, 2016
Audience :
International
Focus Area :
Computational Sciences
European Projects :
FP7 - 279578 - REALTCUT - Towards real time multiscale simulation of cutting in non-linear materials with applications to surgical simulation and computer guided surgery
Funders :
CE - Commission Européenne [BE]
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since 30 March 2016

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