Abstract
IPAC is an interface software system which allows a user to access other finite element program through minimum input instructions. The system is built around GIFTS 5—a modular and interactive graphics oriented finite element program. The dual system provides many user-oriented features and much flexibility of use to meet a wide variety of applications. Variable node 3-D isoparametric element generation capability has been introduced for bodies of revolution. Wheels, torus, rings or similar bodies of irregular cross-sections can now be easily modelled using this feature and can be analysed under nonaxisymmetric loadings. The system allows selected input and calculated data to be extracted, manipulated and displayed via on-line or off-line prints or plots for monitoring and verifying model generations. IPAC is intended for use in a production environment where the case studies are to be done on the geometry requiring creation of several finite element models with variations in elements, grid size or boundary conditions. The system is organized to be machine independent and modular to facilitate its maintenance and to render new developments quickly and easily.
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