Research on Reliability-Based Structural Optimization Design of Mechanical Components
Abstract
service life. The traditional structural design mode that relies on fixed safety margins is no longer suitable for the reliable operation of equipment in complex usage scenarios. This paper, based on the major of mechanical design, manufacturing and automation, systematically studies
the theory and methods of reliability-based structural optimization design of mechanical components. Firstly, the basic theory of reliability
optimization is expounded, with a focus on the reliability calculation method based on the stress-strength interference model. Secondly, a reliability optimization design process integrating finite element analysis and optimization algorithms is constructed, and the application strategies of size optimization, shape optimization, and topology optimization in reliability design are detailedly introduced. Finally, the significant
effects of this method in enhancing the reliability and reducing the weight of components are verified through typical cases of gear transmission systems and aircraft brackets. The research results show that reliability-based structural optimization design can effectively solve the coexistence of "overdesign" and "underdesign" in traditional design, providing a scientific basis for the safety and economic design of high-end
mechanical equipment.
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DOI: http://dx.doi.org/10.70711/aitr.v3i12.9460
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