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Document type:
Zeitschriftenaufsatz 
Author(s):
Klöppel, T.; Gee, M.; Wall, W.A. 
Title:
A scaled thickness conditioning for solid- and solid-shell discretizations of thin-walled structures 
Abstract:
The numerical discretization of thin shell structures yields ill-conditioned stiffness matrices due to an inherent large eigenvalue spectrum. Finite element parametrization that depends on shell thickness, like relative displacement shells, solid shells and other solid finite elements even add to the ill-conditioning by introducing high eigenmodes. To overcome this numerical issue we present a scaled thickness conditioning (STC) approach, a mechanically motivated preconditioner for thin-walled s...    »
 
Keywords:
Solid shell, Structural dynamics, Thin structures, Iterative solvers, Preconditioning, Finite elements 
Dewey Decimal Classification:
620 Ingenieurwissenschaften 
Journal title:
Computer Methods in Applied Mechanics and Engineering 
Year:
2011 
Journal volume:
200 
Journal issue:
9-12 
Pages contribution:
1301-1310 
Reviewed:
ja 
Language:
en 
Status:
Verlagsversion / published 
Semester:
WS 10-11 
Format:
Text