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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.2
- 발행연도
- 2017.1
- 수록면
- 151 - 162 (12page)
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초록· 키워드
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Two Chang-α dissipative family methods and two KR-α family methods were developed for time integration recently. Although the four family methods are in the category of the dissipative structure-dependent integration methods, their performances may be drastically different due to the detrimental property of weak instability or overshoot for the two KR-α family methods. This weak instability or overshoot will result in an adverse overshooting behavior or even numerical instability. In general, the four family methods can possess very similar numerical properties, such as unconditional stability, second-order accuracy, explicit formulation and controllable numerical damping. However, the two KR-α family methods are found to possess a weak instability property or overshoot in the high frequency responses to any nonzero initial conditions and thus this property will hinder them from practical applications. Whereas, the two Chang-α dissipative family methods have no such an adverse property. As a result, the performances of the two Chang-α dissipative family methods are much better than for the two KR-α family methods. Analytical assessments of all the four family methods are conducted in this work and numerical examples are used to confirm the analytical predictions.
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참고문헌 (37)
참고문헌 신청
Javad Alamatian / 2013 / New implicit higher order time integration for dynamic analysis / Structural Engineering and Mechanics, An Int＇l Journal 48(5):711~736
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Chang, S. Y. / 2002 / Explicit pseudodynamic algorithm with unconditional stability / J. Eng. Mech., ASCE 128(9):935~947
Bathe, K. J. / 2012 / Insight into an implicit time integration scheme for structural dynamics / Comput. Struct 98-99:1~6
Bathe, K. J. / 1973 / Stability and accuracy analysis of direct integration methods / Earthq. Eng. Struct. Dyn 1:283~291
Belytschko, T. / 1983 / Computational Methods for Transient Analysis / Elsevier Science Publishers B.V.
Chang, S. Y. / 2002 / Explicit pseudodynamic algorithm with unconditional stability / J. Eng. Mech., ASCE 128(9):935~947
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