Modeling Towed Cable System Dynamics.

摘要

A method for modeling the dynamics of towed cable systems is described. The cable system is assumed to be a multiple branched system with towed bodies. These bodies may be spheres or more general vehicles having a single plane of symmetry. The motion of the two points of the system is arbitrary. The cable is modeled by a series of rigid cylinders connected end-to-end by spherical joints. It is further assumed that the physical parameters of the system and the external forces acting on it can be lumped at the connecting joints. The towed vehicles are three-dimensional bodies with linear (about a steady-state configuration) time-domain analyses. Examples are used to illustrate the analyses. Keywords: Mathematical models; Hydromechanics; Cable dynamics; Towed cables; Submerged cables; CABLE3D Computer program. (EDC)