[Case Study] Improving the Efficiency of Repetitive Calculations Using Super Element Function

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**Case Summary** ■Product Name: NX Nastran ■Industry: Mechanical Components The super-element feature of NX Nastran reduces computational load by dividing large models for analysis or by reducing parts of the model (external super-elements), thereby minimizing the analysis model and shortening computation time when changes are made to other parts. In this case, when designing the natural frequency of a fan blade, the boss section that remains unchanged was treated as an external super-element and combined with the mesh model of the blade for analysis. We verified the analysis accuracy and evaluated the reduction in computation time. This method saves computation time in cases where there are many repetitive calculations, such as performance evaluations during the design phase or countermeasure considerations at the component level, and the more unchanged parts there are, the more significant the benefits. Additionally, by converting in-house component models into super-elements and providing them to other companies, the shapes can be treated as black boxes, which can also be utilized for information security. □ For other features and details, please refer to the catalog.

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[Purpose] - Performance evaluation during the design phase and countermeasure considerations at the component level - By converting to super elements and providing them to other companies, the shape is made a black box.