Filament winding analysis

Cederberg, A.R. Analysis of Filament Winding for Axisymmetric Shells, MS thesis University of Nebraska, Lincoln, NE, 1974... 

Cirino, M. Axisymmetric and Cylindrically Orthotropic Analysis of Filament Winding (1989) Newark, Delaware, University of Delaware... 

Olaofsson K, Manufacturing analysis of wet filament winding, 2nd International Convention for Filament Winding Technology, Brussels, Oct 17-19, 2001. 

This paper presents an industrial project where finite element analysis was used to prove that was possible producing gas pressure vessels based on a hybrid solution, consisting on a steel liner wrapped with a glass fibre reinforced polypropylene (GF/PP) filament winding... 

Prototype composite vessels (Fig. 12) were manufactured in the conditions used in the FEM simulations using a 6-axes CNC controlled filament winding machine and submitted to hydraulic burst pressure tests. The obtained results have shown that vessel burst occurred for pressures between 8 and 11 MPa. Such results show that conservative results were obtained from FEM analysis probably because failure does not occur by interlaminar shear as other simplified theories, like the netting one, demonstrate. 

Minimizing the cycle time in filament wound composites can be critical to the economic success of the process. The process parameters that influence the cycle time are winding speed, molding temperature and polymer formulation. To optimize the process, a finite element analysis (FEA) was used to characterize the effect of each process parameter on the cycle time. The FEA simultaneously solved equations of mass and energy which were coupled through the temperature and conversion dependent reaction rate. The rate expression accounting for polymer cure rate was derived from a mechanistic kinetic model. 

The filament-wound sphere design structure provides another example of a balanced netting analysis system (Chapter 5). It is simpler in some respects than the closed-end cylinder. The sphere must be constructed by winding large circles omni-directionally and by uniform distribution over the surface of the sphere. In practice, distribution is limited so that a small polar zone is left open to accommodate a connecting fitting. 

In a similar study Spencer and Hull examine the relation of failure load to the winding angle of the filament on the pipe. The study employed glass reinforcement of the polyester Tmpolex resins. It is worth noting that many studies of the applied mechanics, macroscales, type can take as their starting point for stress and strain analysis, the compreh isive account edited by Sendeckyj. ... 

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