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Concurrent Evolution Of Models, And Multidisciplinary Simulation From a CAD Model

Chahé Adourian and Hans Vangheluwe

Summer Computer Simulation Conference 2007 (SCSC 2007)
San Diego, California (USA), July 15-18, 2007


When designing any new system, many modeling tools will be used to describe various aspects of its behavior. For example, electronic, thermal, hydraulic, kinematic models can be developed, all using different tools. These models need to remain consistent with what the system is expected to be at any point in time. Mainly these models should remain consistent with each other. Generally, however, this task of maintaining consistency is done manually and is cause for many headaches as errors creep in, and the various models describe increasingly diverging systems. To alleviate this problem, tool vendors try to integrate the tools used frequently in specific processes such that common information can be exported or shared. Rarely are such integrations bidirectional. We would like to explore a novel idea showing how the information in a CAD (3d) model can be leveraged to do more than it has in the past by using it to do more than the traditional Finite-Element Analyses, or dynamics simulations. In the process, we will explore the associated co-evolution and consistency problems by analyzing the integration of two tools: Solid Edge from the CAD domain, and Dymola from the multidisciplinary simulation domain.

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