Iris Publishers- Scholarly Open Access Journal of Civil Engineering
Iris Publishers- Scholarly Open Access Journal of Civil Engineering
Review Study of Dynamic Relaxation Numerical Technique Used in Bending of Laminated Composite Plates
The method of dynamic relaxation (DRM) in its early stages of development was perceived as a numerical finite difference technique. It was first used to analyse structures, then skeletal and cable structures, and plates. The method relies on a discretized continuum in which the mass of the structure is assumed to be concentrated at given points (i.e. nodes) on the surface. The system of concentrated masses oscillates about the equilibrium position under the influence of out of balance forces. With time, it comes to rest under the influence of damping. The iterative scheme reflects a process, in which static equilibrium of the system is achieved by simulating a pseudo dynamic process in time. In its original form, the method makes use of inertia term, damping term and time increment.
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