Journal
ADVANCES IN MECHANICAL ENGINEERING
Volume 10, Issue 6, Pages -Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1687814018783410
Keywords
Structural stability; aerodynamic performance; multidisciplinary design optimization; fluid-structure coupling analysis; response surface
Categories
Funding
- National Natural Science Foundation of China [51605080]
- China Postdoctoral Science Foundation [2015M580780, 2017T100685]
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In practical engineering, the choice of blade shape is crucial in the design process of turbine. It is because not only the structural stability but also the aerodynamic performance of turbine depends on the shape of blades. Generally, the design of blades is a typical multidisciplinary design optimization problem which includes many different disciplines. In this study, a fluid-structure coupling analysis approach is proposed to show the application of multidisciplinary design optimization in engineering. Furthermore, a strategy of uncertainty-based multidisciplinary design optimization using fluid-structure coupling analysis is proposed to enhance the reliability and safety of blades in turbine. The design of experiment technique is also introduced to construct response surface during uncertainty-based multidisciplinary design optimization using fluid-structure coupling analysis. The design solution shows that the adiabatic efficiency is increased and the equivalent stress is decreased, which means that better performance of the turbine can be obtained.
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