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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.80 No.5
- 발행연도
- 2021.12
- 수록면
- 625 - 643 (19page)
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In this paper, we present a new method to calculate interface warping functions for the analysis of beams with geometric and material discontinuities in the longitudinal direction. The classical Saint Venant torsion theory is extended to a three-dimensional domain by considering the longitudinal direction. The interface warping is calculated by considering both adjacent cross-sections of a given interface. We also propose a finite element procedure to simultaneously calculate the interface warping function and the corresponding twisting center. The calculated interface warping functions are employed in the continuum-mechanics based beam formulation to analyze arbitrary shape cross-section beams with longitudinal discontinuities. Compared to the previous work by Yoon and Lee (2014a), both geometric and material discontinuities are considered with fewer degrees of freedom and higher accuracy in beam finite element analysis. Through various numerical examples, the effectiveness of the proposed interface warping function is demonstrated.
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참고문헌 (44)
참고문헌 신청
Alsafadie, R. / 2011 / Threedimensional formulation of a mixed corotational thin-walled beam element incorporating shear and warping deformation / Thin Wall. Struct 49:523~533
ANSYS / 2018 / ANSYS Mechanical APDL Theory Reference / ANSYS Inc
Barretta, R. / 2015 / On torsion of random composite beams / Compos. Struct 132:915~922
Bathe, K. J. / 1996 / Finite Element Procedures / Prentice Hall
Batoz, J. L. / 1990 / Modélisation des Structures par Eléments Finis: Solides Elastiques / Hermes Sciences
ANSYS / 2018 / ANSYS Mechanical APDL Theory Reference / ANSYS Inc
Barretta, R. / 2015 / On torsion of random composite beams / Compos. Struct 132:915~922
Bathe, K. J. / 1996 / Finite Element Procedures / Prentice Hall
Batoz, J. L. / 1990 / Modélisation des Structures par Eléments Finis: Solides Elastiques / Hermes Sciences
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