Structural Engineering and Mechanics

  • 제34권1호
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  • Pages.109-133
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  • 2010
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

The dynamic relaxation method using new formulation for fictitious mass and damping

  • Rezaiee-Pajand, M. (Department of Civil Engineering, Ferdowsi University of Mashhad) ;
  • Alamatian, J. (Department of Civil Engineering, Ferdowsi University of Mashhad)
  • 투고 : 2008.07.05
  • 심사 : 2009.10.06
  • 발행 : 2010.01.10
⟨ 이전 논문 다음 논문 ⟩

초록

This paper addresses the modified Dynamic Relaxation algorithm, called mdDR by minimizing displacement error between two successive iterations. In the mdDR method, new relationships for fictitious mass and damping are presented. The results obtained from linear and nonlinear structural analysis, either by finite element or finite difference techniques; demonstrate the potential ability of the proposed scheme compared to the conventional DR algorithm. It is shown that the mdDR improves the convergence rate of Dynamic Relaxation method without any additional calculations, so that, the cost and computational time are decreased. Simplicity, high efficiency and automatic operations are the main merits of the proposed technique.

키워드

참고문헌

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