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Unigraphics Integrated with a System Modeler
Jeffrey M. Lyons
April 2003
Abstract
During the design phase of a product, engineers use several discreet tools such as spreadsheets, math analysis tools and CAD systems. There is a need to integrate these tools so data can be transferred between them in order to achieve a system model early in the design phase. One approach is to use software that connects all these tools and transparently transfers the required data between the tools. The strength of this approach is that designers and engineers are not forced to learn new software; they continue to use the tools they prefer, and hence are most productive on. Another advantage of this approach is it gives non-experts access to technical information, e.g. non-Unigraphics users access to CAD data. If a model is built parametrically, the user could even manipulate this model.
This paper will concentrate on a case study done at Northrop Grumman Electronic Systems where software called ModelCenter was used to link up Unigraphics, Excel, and MathCAD. An engineer already has his design models in all of the aforementioned programs. They are linked in a simple, point and click fashion. This case study will run these models simultaneously and keep them in a consistent state.
Introduction
Integrated Product Teams (IPT) or Cross Functional Teams have been determined to be effective product development teams. It has been recognized that having early involvement of all players in a product's life cycle is key to success (Eppinger 1995, see pg. 268). This can include mechanical engineers, software engineers, electrical engineers, systems engineers, manufacturing engineers, costing experts, CAD experts, structural analysts, and more.
Others involved with a product's development (although perhaps not formally considered part of the IPT) are those outside the enterprise involved with the project. This would include suppliers and customers, and within their organizations the aforementioned teams may also exist. Each of these individuals may have computer models in their preferred tools. These could include spreadsheets, math analysis tools, CAD systems, custom applications, databases, and more.
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