Structural Engineering and Mechanics

  • 제30권2호
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  • Pages.225-245
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  • 2008
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

A locally refinable T-spline finite element method for CAD/CAE integration

  • 투고 : 2007.09.17
  • 심사 : 2008.07.23
  • 발행 : 2008.09.30
⟨ 이전 논문 다음 논문 ⟩

초록

T-splines are recently proposed mathematical tools for geometric modeling, which are generalizations of B-splines. Local refinement can be performed effectively using T-splines while it is not the case when B-splines or NURBS are used. Using T-splines, patches with unmatched boundaries can be combined easily without special techniques. In the present study, an analysis framework using T-splines is proposed. In this framework, T-splines are used both for description of geometries and for approximation of solution spaces. This analysis framework can be a basis of a CAD/CAE integrated approach. In this approach, CAD models are directly imported as the analysis models without additional finite element modeling. Some numerical examples are presented to illustrate the effectiveness of the current analysis framework.

키워드

참고문헌

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  3. Study of the Shape Optimization in Spline FEM Considering both NURBS Control Point Positions and Weights as Design Variables vol.38, pp.4, 2014, https://doi.org/10.3795/KSME-A.2014.38.4.363
  4. Isogeometric analysis for trimmed CAD surfaces vol.198, pp.37-40, 2009, https://doi.org/10.1016/j.cma.2009.05.004
  5. A HIERARCHICALLY SUPERIMPOSING LOCAL REFINEMENT METHOD FOR ISOGEOMETRIC ANALYSIS vol.11, pp.05, 2014, https://doi.org/10.1142/S0219876213500746
  6. Numerical method for shape optimization using T-spline based isogeometric method vol.42, pp.3, 2010, https://doi.org/10.1007/s00158-010-0503-0
  7. Isogeometric topology optimization using trimmed spline surfaces vol.199, pp.49-52, 2010, https://doi.org/10.1016/j.cma.2010.06.033
  8. Isogeometric analysis with trimming technique for problems of arbitrary complex topology vol.199, pp.45-48, 2010, https://doi.org/10.1016/j.cma.2010.04.015
  9. Isogeometric contact analysis using mortar method vol.89, pp.12, 2012, https://doi.org/10.1002/nme.3300
  10. A two-dimensional Isogeometric Boundary Element Method for elastostatic analysis vol.209-212, 2012, https://doi.org/10.1016/j.cma.2011.08.008
  11. Spline-based meshfree method vol.92, pp.9, 2012, https://doi.org/10.1002/nme.4360
  12. 트림 NURBS 곡면의 T-스플라인 유한요소해석 vol.33, pp.2, 2008, https://doi.org/10.3795/ksme-a.2009.33.2.135