NDLI: Sensitivity analysis and shape optimization based on FE

Content Provider	Springer Nature Link
Author	Gong, S. G. Xie, G. L. Zhang, J. P. Nie, S. H. Li, Y. M.
Copyright Year	2008
Abstract	By use of 4-node isoparametric quadrangle interface element between finite element (FE) and meshless regions, a collocation approach is introduced to couple firstly FE and element-free Galerkin (EFG) method in this paper. By taking derivative of discreteness equilibrium equation at interface element with respect to design variable, a numerical method for discreteness-based shape design sensitivity analysis in interface element is obtained. The design sensitivity analysis (DSA) of coupled FE–EFG method is achieved by employing the DSA of nodal displacement at the interface element. The numerical method presented is testified by examples. It can be observed excellent agreement between the numerical results and the analytical solution. Finally the shape optimization of fillet is achieved by using coupled FE–EFG method. The result obtained show that imposing of the essential boundary condition is easy to implement, the computational time is reduced and the distortion of mesh is avoided.
Starting Page	117
Ending Page	128
Page Count	12
File Format	PDF
ISSN	09349839
Journal	Research in Engineering Design
Volume Number	20
Issue Number	2
e-ISSN	14356066
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-11-27
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Element-free Galerkin method Finite element method Shape optimization Sensitivity analysis FE–EFG coupled method Computer-Aided Engineering (CAD, CAE) and Design Engineering Design
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Architecture Mechanical Engineering Civil and Structural Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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