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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 61 - 68 (8page)
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This study is concerned with the shape optimization of structural members frequently found in critical area in a structure system, that is, highly stressed zone. Isogeometry analysis is well known to be the very efficient way to integrate the geometric modeling(CAD) and computational analysis(CAE). This can be accomplished by directly using the geometric modeling by NURBS(Non-Uniform Rational Basis Spline). In this study, an efficient computer code adopting the isogeometry concept has been developed for the structural analysis, in which CAD information can be directly used in the finite element modeling. In order to show the validity of the present code, the present results are compared with those by using the commercial package, that is, MSC/NASTRAN. The present isogeometric analysis procedure has been integrated with the optimization procedure to deal with the optimization problem found in the context of structural mechanics. The present system has been successfully applied to the shape optimization of cantilever structure having bracket. From the present study, it can be seen the validity of the present approach and computer codes developed in this study. This paper ends with some discussions about the practical usefulness of the present approach which is based on isogeometry analysis, and extension of the present study.
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참고문헌 (8)
참고문헌 신청
/ 200903 / Isogeometric shape design optimization: exact geometry and enhanced sensitivity / STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION 38 : 53 ~ 70
Bazilevs, Y / 2007 / Variational Multiscale Residual-Based Turbulence Modeling for Large Eddy Simulation of Incompressible Flow / Computer Methods in Applied Mechanics and En
Cho, M / 2003 / Development of Geometrically Exact New Shell Elements Based on General Curvilinear Coordinates / International Journal for Numerical Methods in Engineering 56
Hughes, T.J.R / 2005 / Isogeometric Analysis: CAD, Finite Elements, NURBS, Exact Geometry and Mesh Refinement / Computer Methods in Applied Mechanics and Engineering 194 : 41
Kuester, J.L / 1973 / Optimization Techniques with FORTRAN / McGraw-Hill
Bazilevs, Y / 2007 / Variational Multiscale Residual-Based Turbulence Modeling for Large Eddy Simulation of Incompressible Flow / Computer Methods in Applied Mechanics and En
Cho, M / 2003 / Development of Geometrically Exact New Shell Elements Based on General Curvilinear Coordinates / International Journal for Numerical Methods in Engineering 56
Hughes, T.J.R / 2005 / Isogeometric Analysis: CAD, Finite Elements, NURBS, Exact Geometry and Mesh Refinement / Computer Methods in Applied Mechanics and Engineering 194 : 41
Kuester, J.L / 1973 / Optimization Techniques with FORTRAN / McGraw-Hill
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