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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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.62 No.3
- 발행연도
- 2017.1
- 수록면
- 345 - 355 (11page)
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초록· 키워드
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The aim of the present study is to develop an elemental approach based on the differential quadrature method for free vibration analysis of cracked thin plate structures. For this purpose, the equations of motion are established using the classical plate theory. The well-known Generalized Differential Quadrature Method (GDQM) is utilized to discretize the governing equations on each computational subdomain or element. In this method, the differential terms of a quantity field at a specific computational point should be expressed in a series form of the related quantity at all other sampling points along the domain. However, the existence of any geometric discontinuity, such as a crack, in a computational domain causes some problems in the calculation of differential terms. In order to resolve this problem, the multi-block or elemental strategy is implemented to divide such geometry into several subdomains. By constructing the appropriate continuity conditions at each interface between adjacent elements and a crack tip, the whole discretized governing equations of the structure can be established. Therefore, the free vibration analysis of a cracked thin plate will be provided via the achieved eigenvalue problem. The obtained results show a good agreement in comparison with those found by finite element method.
목차
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참고문헌 (31)
참고문헌 신청
Bachene, M. / 2009 / Vibration analysis of cracked Plates Using the Extended finite element method / Arch. Appl. Mech 79:249~262
Barooti, M. / 2013 / Stability analysis of symmetric orthotropic composite plates with through the width delamination
Bellman, R / 1971 / Differential quadrature and long-term integration / J. Math. Anal. Appl 34:235~238
Bose, T. / 2013 / Vibration analysis of a rectangular thin isotropic plate with a part-through surface crack of arbitrary orientation and position / J. Sound Vib 332:7123~7141
Chen, W. / 1997 / On the DQ analysis of geometrically non-linear vibration of immovably simply-supported beams / J. Sound Vib 206:745~748
Barooti, M. / 2013 / Stability analysis of symmetric orthotropic composite plates with through the width delamination
Bellman, R / 1971 / Differential quadrature and long-term integration / J. Math. Anal. Appl 34:235~238
Bose, T. / 2013 / Vibration analysis of a rectangular thin isotropic plate with a part-through surface crack of arbitrary orientation and position / J. Sound Vib 332:7123~7141
Chen, W. / 1997 / On the DQ analysis of geometrically non-linear vibration of immovably simply-supported beams / J. Sound Vib 206:745~748
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