journal article May 28, 2013

Numerical manifold space of Hermitian form and application to Kirchhoff's thin plate problems

Abstract
SUMMARYFor second‐order problems, where the behavior is described by second‐order partial differential equations, the numerical manifold method (NMM) has gained great success. Because of difficulties in the construction of the H 2‐regular Lagrangian partition of unity subordinate to the finite element cover; however, few applications of the NMM have been found to fourth‐order problems such as Kirchhoff's thin plate problems. Parallel to the finite element methods, this study constructs the numerical manifold space of the Hermitian form to solve fourth‐order problems. From the minimum potential principle, meanwhile, the mixed primal formulation and the penalized formulation fitted to the NMM for Kirchhoff's thin plate problems are derived. The typical examples indicate that by the proposed procedures, even those earliest developed elements in the finite element history, such as Zienkiewicz's plate element, regain their vigor. Copyright © 2013 John Wiley & Sons, Ltd.
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Citations
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Details
Published
May 28, 2013
Vol/Issue
95(9)
Pages
721-739
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Funding
National Natural Science Foundation of China Award: 50779031
National Basic Research Program of China Award: 2011CB013505
Cite This Article
Hong Zheng, Zhijun Liu, Xiurun Ge (2013). Numerical manifold space of Hermitian form and application to Kirchhoff's thin plate problems. International Journal for Numerical Methods in Engineering, 95(9), 721-739. https://doi.org/10.1002/nme.4515