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Content Provider | IEEE Xplore Digital Library |
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Author | Qiang Liu Wei Che Huajin Yu |
Copyright Year | 2011 |
Description | Author affiliation: CEFR Research Center, China Institute of Atomic Energy, Beijing, China (Qiang Liu; Huajin Yu) || School of Engineering & Technology, China University of Geosciences, Beijing, China (Wei Che) |
Abstract | This paper simulates dynamic responses of single-layer elliptical paraboloid latticed shells under impact based on rate-dependent isotropic hardening material model, master-slave contact point searching method and penalty function method. Node displacement and structural energy are analyzed under impact of freely falling with certain initial height. The dynamic buckling of plasticity is judged according to the dynamic responses. The effects of all kinds of parameters (such as span, rise-to-span ratio and cross-sectional areas of members etc.) are analyzed on the structural dynamic buckling. The results show that the displacements of characteristic nodes, stain energy and total energy of the structure increase all of a sudden. The vertical stiffness of the latticed shells strengthens and critical momentums are enhanced with rise-to-span ratio's aggrandizement, and cross-sectional areas of members increasing. Supporting condition has a slight effect on critical loads and the latticed shells are sensitive highly to initial geometric imperfection. |
Starting Page | 2640 |
Ending Page | 2644 |
File Size | 362182 |
Page Count | 5 |
File Format | |
ISBN | 9781457702891 |
e-ISBN | 9781457702907 |
DOI | 10.1109/ICETCE.2011.5775209 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2011-04-22 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Heuristic algorithms Stability criteria Manuals Materials Master-slave Nonlinear dynamic buckling Penalty function algorithm Nonlinear dynamical systems Elliptical parabolic latticed shells Impact load |
Content Type | Text |
Resource Type | Article |
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