T-spline finite element method for the analysis of shell structures

Cited 47 time in webofscience Cited 0 time in scopus
  • Hit : 305
  • Download : 0
A T-spline surface is a nonuniform rational B-spline (NURBS) surface with T-junctions, and is defined by a control grid called T-mesh. The T-mesh is similar to a NURBS control mesh except that in a T-mesh, a row or column of control points is allowed to terminate in the inner parametric space. This property of T-splines makes local refinement possible. In the present study, shell formulation based on the T-spline finite element method (FEM) is presented. Shell formulation based on NURBS or T-splines has fundamental limitations because rotational DOFs, which are necessary in the shell formulation, cannot be defined on control points. In this study, the simple mapping scheme, in which every control point is mapped into one geometric point on the surface, is employed to eliminate the limitations. Using this mapping scheme, T-spline FEM can be easily extended to the analysis of shells. The proposed shell formulation is verified through various benchmarking problems. This study is a part of the efforts by the authors for the integration of CAD-CAE processes. Copyright (C) 2009 John Wiley & Sons, Ltd.
Publisher
JOHN WILEY SONS LTD
Issue Date
2009-10
Language
English
Article Type
Article
Keywords

ISOGEOMETRIC ANALYSIS; GEOMETRICALLY EXACT; BLOOD-FLOW; REFINEMENT; DESIGN; NURBS; INTEGRATION; VIBRATIONS; SURFACES

Citation

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, v.80, no.4, pp.507 - 536

ISSN
0029-5981
DOI
10.1002/nme.2648
URI
http://hdl.handle.net/10203/174230
Appears in Collection
ME-Journal Papers(저널논문)
Files in This Item
There are no files associated with this item.
This item is cited by other documents in WoS
⊙ Detail Information in WoSⓡ Click to see webofscience_button
⊙ Cited 47 items in WoS Click to see citing articles in records_button

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0