NONLINEAR IMPULSIVE MOTIONS OF LOW-TENSION CABLES

In order to explore fundamental mechanisms of cable response intrinsic to low-tension behavior, the paper first considers a cable with zero initial tension. This is then followed by a study of the dynamics of a hanging chain to demonstrate the transition from high-tension to low-tension behavior within the same physical system. Low tension cables employ an impulsive mode of building tension and velocities when forced to move. In the limiting case of forcing a cable initially at rest to move with a prescribed axial velocity, it is shown that the impulsive equations describe very accurately the initial development of tension and velocity. Care, however, should be taken at points where the curvature undergoes quick changes, because these changes imply that large rotational velocities will develop over a small region, possibly containing discontinuities. These and other study findings are discussed.

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  • Accession Number: 00621154
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 30 1992 12:00AM