Mathematical model of the flow of polymer melt in the extruder forming die

International Scientific and Technical Conference "Innovative Mechanical Engineering Technologies, Equipment and Materials-2014"

机械制造;材料科学

Sharafutdinov, R.F.^1 ; Galimov, E.R.^1 ; Snigerev, B.A.^2

Kazan National Research Technical University Named after A N Tupolev, Russia^1

Institute of Mechanics and Engineering, Kazan Science Center, Russian Academy of Sciences, Russia^2

关键词: A-stable;    Conservation of mass;    Creeping flows;    Fluid motions;    Forming dies;    Free surfaces;    Numerical algorithms;    Vis-coelastic fluids;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/86/1/012030/pdf
DOI  :  10.1088/1757-899X/86/1/012030

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

Steady creeping flow of viscoelastic fluid with the free surface which is realized when fluid polymer is entering the forming channel and leaving it is investigated. Fluid motion is described by equations conservation of mass and momentum supplemented by Metzner's determinative rheological constitutive equation of the fluid. On the basis of finite element method a stable numerical algorithm for solving the problem was developed.