Spot weld reduction methods for automotive structures
| Autor: | Ann-Britt Ryberg, Larsgunnar Nilsson |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
Engineering
Control and Optimization business.industry Topology optimization Linear system Automotive industry Parameterized complexity ComputerApplications_COMPUTERSINOTHERSYSTEMS 02 engineering and technology Structural engineering 01 natural sciences Computer Graphics and Computer-Aided Design Automotive engineering Computer Science Applications 010101 applied mathematics 020303 mechanical engineering & transports 0203 mechanical engineering Ranking Control and Systems Engineering New product development 0101 mathematics business Engineering design process Spot welding Software |
| Zdroj: | Structural and Multidisciplinary Optimization. 53:923-934 |
| ISSN: | 1615-1488 1615-147X |
| Popis: | Spot welds are commonly used to join steel sheets in automotive structures. The number and layout of these spot welds are vital for the performance of the structure. However, reducing the number of spot welds will cut both production time and cost. This article presents three different methods of reducing the number of spot welds in automotive structures: ranking-based selection, topology optimization and size optimization of a parameterized model. The methods are compared in a simple example and it is found that the latter two methods have the best potential of reducing the number of spot welds. Topology optimization requires less preparation and computational effort as compared to size optimization of a parameterized model. However, the method is primarily suitable for studies where load cases involving linear systems are judged to be most important. Otherwise, size optimization of a parameterized model is probably a better choice. The topology optimization approach is successfully demonstrated in a full-scale industrial application example and confirms that the method is useful within contemporary product development. |
| Databáze: | OpenAIRE |
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