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Lightweight and Fatigue-Resistant Engineering Design by Simulation of Biological Optimization Mechanisms
Technical Paper
2001-01-3176
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The saving of weight is a very important demand for technical components which are used in car manufacture, because of the connection with energy consumption. Another requirement is a high fatigue resistance to extend the life-time of the components. Based on the axiom of uniform stress, which is a basic design rule for biological load carriers, and by use of the Finite Element Method (FEM) two computer programs have been developed at Forschungszentrum Karlsruhe to transfer these biological optimization mechanism to mechanical engineering. The Computer Aided Optimization design procedure (CAO-method) simulates the principle of adaptive growth which biological structures, like trees, use to minimise stress concentrations on the surface. The Soft Kill Option (SKO-method) copies the adaptive bone mineralization and leads to lightweight structures.
Authors
Citation
Tesari, I. and Mattheck, C., "Lightweight and Fatigue-Resistant Engineering Design by Simulation of Biological Optimization Mechanisms," SAE Technical Paper 2001-01-3176, 2001, https://doi.org/10.4271/2001-01-3176.Also In
References
- Metzger K. 3 Springer Verlag Heidelberg Berlin New York 1893
- Mattheck C. Design in nature - learning from trees Springer Verlag Heidelberg Berlin New York 1998
- Mattheck, C. Burkhardt, S. A new method of structural shape optimization based on biological growth International Journal of Fatigue 12 185 190 1990
- Baumgartner, A. Harzheim, L. Mattheck, C. SKO: Soft Kill Option. The biological way to find optimum structure topology International Journal of Fatigue 14 387 393 1992