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Dynamic and time-stepping schemes for elastic shells undergoing finite rotations
ID
Brank, Boštjan
(
Author
),
ID
Korelc, Jože
(
Author
),
ID
Ibrahimbegović, Adnan
(
Author
)
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MD5: 3F58EB2FD712B1455670716511B321DE
PID:
20.500.12556/rul/52ac6a03-c221-4ac7-b7f4-f2044ea7301e
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Abstract
In this work we study the time-stepping schemes for shell models, which describe the shell-director vector motion by the finite rotations. Different possibilities for choosing director rotations are examined and their relationships are cast in terms of the commutative diagram. The Newmark time-stepping schemes, making use of different rotation parameters, are then developed. The mid-point scheme modified to either conserve or dissipate the total energy is further examined. Several numerical simulations are presented to illustrate the performance of each developed scheme.
Language:
English
Keywords:
shells
,
time-stepping schemes
,
energy conservation
,
energy decaying
,
finite rotations
,
nonlinear dynamics
,
finite elrments
Typology:
1.01 - Original Scientific Article
Organization:
FGG - Faculty of Civil and Geodetic Engineering
Publisher:
Elsevier
Year:
2003
Number of pages:
Str. 1193-1210
Numbering:
Vol. 81, Issue 12
PID:
20.500.12556/RUL-32205
UDC:
624.074.4
ISSN on article:
0045-7949
COBISS.SI-ID:
1916001
Publication date in RUL:
10.07.2015
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3198
Downloads:
614
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Record is a part of a journal
Title:
Computers & structures
Shortened title:
Comput. struct.
Publisher:
Elsevier
ISSN:
0045-7949
COBISS.SI-ID:
4419338
Secondary language
Language:
English
Keywords:
lupine
,
velike rotacije
,
časovne integracijske sheme
,
ohranitev energije
,
disipacija energije
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