Stress/strain Modelling of Casting Processes in the Framework of the Control-Volume Method

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    Realistic computer simulations of casting processes call for the solution of both thermal, fluid-flow and stress/strain related problems. The multitude of the influencing parameters, and their non-linear, transient and temperature dependent nature, make the calculations complex. Therefore the need for fast, flexible, multidimensional numerical methods is obvious. The basis of the deformation and stress/strain calculation is a transient heat transfer analysis including solidification. This paper presents an approach where the stress/strain and the heat transfer analysis uses the same computational domain, which is highly convenient. The basis of the method is the control volume finite difference approach on structured meshes. The basic assumptions of the method are shortly reviewed and discussed. As for other methods which aim at application oriented analysis of casting deformations and stresses, the present model is based on the mainly decoupled representation of the thermal, mechanical and microstructural processes. Examples of industrial applications, such as predicting residual deformations in castings and stress levels in die casting dies, are presented
    Original languageEnglish
    Title of host publicationModeling of Casting and Advanced Solidification Processes VIII
    Place of PublicationWarrendale, USA
    PublisherTMS, The Minerals, Metals and Materials Society
    Publication date1998
    Publication statusPublished - 1998
    EventModeling of Casting and Advanced Solidification Processes VIII - San Diego, USA
    Duration: 1 Jan 1998 → …


    ConferenceModeling of Casting and Advanced Solidification Processes VIII
    CitySan Diego, USA
    Period01/01/1998 → …

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