METHOD OF ANALYZING DRAW RESONANCE INSTABILITY IN POLYMER PROCESS AND RECORD MEDIA RECORDED THE SAME

摘要

A drawing resonance instability analytical method capable of easily analyzing a nonlinear stability and dynamic characteristic in the unstable domain of a polymer process and is generated in the polymer process and a recording medium are provided to analyze the stability of the spinning process by deriving a cycle resolution of a spinning process. A governing equation is induced in consideration with viscoelastic fluid characteristics(S300). The induced governing equation is transformed to the time-cycle series(S302). An arc length continuation technique which is a virtual route is applied for a draw ratio and a cycle(S304). The periodic solution is consecutively calculated while diversifying the stretching ratio through a Newton method(S306). The analysis of stability about the periodic solution is performed(S308).