Details
| Original language | English |
|---|---|
| Pages (from-to) | 56-72 |
| Number of pages | 17 |
| Journal | Thin-walled structures |
| Volume | 118 |
| Publication status | Published - 10 May 2017 |
Abstract
In this work, we present an approach to analyze the nonlinear dynamics of shell structures, which combines a mixed finite element formulation and a robust integration scheme. The structure is spatially discretized with extensible-director-based solid-degenerate shells. The semi-discrete equations are temporally discretized with a momentum-preserving, energy-preserving/decaying method, which allows to mitigate the effects due to unresolved high-frequency content. Additionally, kinematic constraints are employed to render structural junctions. Finally, the method, which can be used to analyze blades of wind turbines or wings of airplanes effectively, is tested and its capabilities are illustrated by means of examples.
Keywords
- Differential-algebraic equations, Mixed finite element formulation, Nonlinear dynamics, Robust integration scheme, Shell structures
ASJC Scopus subject areas
- Engineering(all)
- Civil and Structural Engineering
- Engineering(all)
- Building and Construction
- Engineering(all)
- Mechanical Engineering
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In: Thin-walled structures, Vol. 118, 10.05.2017, p. 56-72.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - On the nonlinear dynamics of shell structures
T2 - Combining a mixed finite element formulation and a robust integration scheme
AU - Gebhardt, Cristian Guillermo
AU - Rolfes, Raimund
PY - 2017/5/10
Y1 - 2017/5/10
N2 - In this work, we present an approach to analyze the nonlinear dynamics of shell structures, which combines a mixed finite element formulation and a robust integration scheme. The structure is spatially discretized with extensible-director-based solid-degenerate shells. The semi-discrete equations are temporally discretized with a momentum-preserving, energy-preserving/decaying method, which allows to mitigate the effects due to unresolved high-frequency content. Additionally, kinematic constraints are employed to render structural junctions. Finally, the method, which can be used to analyze blades of wind turbines or wings of airplanes effectively, is tested and its capabilities are illustrated by means of examples.
AB - In this work, we present an approach to analyze the nonlinear dynamics of shell structures, which combines a mixed finite element formulation and a robust integration scheme. The structure is spatially discretized with extensible-director-based solid-degenerate shells. The semi-discrete equations are temporally discretized with a momentum-preserving, energy-preserving/decaying method, which allows to mitigate the effects due to unresolved high-frequency content. Additionally, kinematic constraints are employed to render structural junctions. Finally, the method, which can be used to analyze blades of wind turbines or wings of airplanes effectively, is tested and its capabilities are illustrated by means of examples.
KW - Differential-algebraic equations
KW - Mixed finite element formulation
KW - Nonlinear dynamics
KW - Robust integration scheme
KW - Shell structures
UR - http://www.scopus.com/inward/record.url?scp=85019169565&partnerID=8YFLogxK
U2 - 10.1016/j.tws.2017.05.001
DO - 10.1016/j.tws.2017.05.001
M3 - Article
AN - SCOPUS:85019169565
VL - 118
SP - 56
EP - 72
JO - Thin-walled structures
JF - Thin-walled structures
SN - 0263-8231
ER -