Much research has been conducted to understand the damage tolerance behavior of polymer matrix composites. As a result, a fair amount of data is available together with a number of analytical models. However, there are so many parameters involved that the development of a generic model is rather difficult. The present paper proposes a decision support system, which can overcome such difficulty. In the information system, a list of possible parameters is generated and used as input. The output contains compression strength after impact, dent depth and damage area as well as literature references, raw data, tables, and plots. The information system is constituted in a relational database environment and expert system technology is incorporated so that low confidence input can be captured in order to report best matching cases. Parametric studies are also made available to determine the effect of each design parameter on the damage tolerance behavior. Case examples are included to demonstrate the practical use of the software for both data retrieval and similarity studies.

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