In applications where weight saving and parts integration can be achieved the Rover Group have been investigating the design and manufacture of components from composite materials. Whether a component is designed from steel or a composite material the same design to manufacture cycle should be followed. The methods used in the different steps in the design to manufacture cycle in the high volume automotive industry are relatively well known for a steel component, but are not so well established for a composite component. One of those steps is that of undertaking finite element analysis of the component to determine whether the component is capable of doing the job asked of it before manufacture takes place. This paper presents some of the work undertaken at the Advanced Technology Centre concerning the finite element analysis of composite materials, starting with the analysis of flat plates and then leading on to the analysis of a real component, i.e. a subframe. The paper discusses the problems associated with the modelling of directional material properties, and also the problems caused by working with inaccurate material property information.
Finite element analysis of composite materials
Finite Elemente Analyse von Verbundwerkstoffen
Autotech, Autotech, 1991 ; 1-7
1991
7 Seiten, 6 Bilder, 15 Quellen
Conference paper
English
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