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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.65 No.1
- 발행연도
- 2018.1
- 수록면
- 121 - 128 (8page)
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초록· 키워드
오류제보하기
Three structure-dependent integration methods with no numerical dissipation have been successfully developed for time integration. Although these three integration methods generally have the same numerical properties, such as unconditional stability, second-order accuracy, explicit formulation, no overshoot and no numerical damping, there still exist some different numerical properties. It is found that TLM can only have unconditional stability for linear elastic and stiffness softening systems for zero viscous damping while for nonzero viscous damping it only has unconditional stability for linear elastic systems. Whereas, both CEM and CRM can have unconditional stability for linear elastic and stiffness softening systems for both zero and nonzero viscous damping. However, the most significantly different property among the three integration methods is a weak instability. In fact, both CRM and TLM have a weak instability, which will lead to an adverse overshoot or even a numerical instability in the high frequency responses to nonzero initial conditions. Whereas, CEM possesses no such an adverse weak instability. As a result, the performance of CEM is much better than for CRM and TLM. Notice that a weak instability property of CRM and TLM might severely limit its practical applications.
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참고문헌 (28)
참고문헌 신청
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Bayraktar, A. / 2010 / Evaluation of blast effects on reinforced concrete buildings considering Operational Modal Analysis results / Soil Dyn. Earthq. Eng. 30:310~319
Brush, O. / 1975 / Buckling of Bars, Plates and Shells / Mc-Graw Hill
Dadsetan, S. / 2017 / Mechanical and microstructural properties of self-compacting concrete blended with metakaolin, ground granulated blast-furnace slag and fly ash / Constr. Build. Mater. 146:658~667
Hause, T. / 2007 / Dynamic response of doubly-curved anisotropic sandwich panels impacted by blast loadings / Int. J. Solid. Struct. 44:6678~6700
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