Paper Title:
A Nonlinear Force Method Model for Dynamic Analysis of Cable Trusses
  Abstract

A nonlinear force method model is proposed to study the dynamic behavior of cable trusses. In the paper, travelling wave method is employed to solve the governing equation of motion. After support reaction forces are considered as excitations, cable trusses are extended to infinitude, and D’Alembert solution to the partial differential equation (PDE) is achieved. Substituting the solution into compatibility condition and boundary conditions, the governing equation expressed by dynamic tension is derived, which is named force method dynamic equation (FMDE). Hence the dynamic system of infinite-degree-of-freedom is simplified as a system with only one unknown without any loss of precision. Nonlinear governing equations are developed through considering the effect of quadratic terms of displacements. At last, an example is given to verify the force method model presented in the paper.

  Info
Periodical
Advanced Materials Research (Volumes 250-253)
Edited by
Guangfan Li, Yong Huang and Chaohe Chen
Pages
2281-2284
DOI
10.4028/www.scientific.net/AMR.250-253.2281
Citation
X. Ma, "A Nonlinear Force Method Model for Dynamic Analysis of Cable Trusses", Advanced Materials Research, Vols. 250-253, pp. 2281-2284, 2011
Online since
May 2011
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