基于Walker本构模型的单晶涡轮叶片力学性能预测方法
By training the Walker constitutive model within the finite element calculation framework and using the equilibrium iteration method to obtain the stress-strain distribution, the problem of complex stress-strain analysis of single-crystal turbine blades was solved, enabling accurate prediction of their strength and life, and improving the evaluation of design and material properties.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- AERO ENGINE ACAD OF CHINA
- Filing Date
- 2023-09-21
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies make it difficult to accurately analyze the complex stress-strain distribution and evolution process of single-crystal turbine blades using the Walker constitutive model, resulting in difficulties in predicting their strength and lifespan.
The Walker constitutive model is trained using numerical methods within the finite element calculation framework. Stress vector, strain vector, and state variable vector are obtained through equilibrium iteration to simulate the stress-strain distribution and evolution process of turbine blades, and predict their performance and lifespan.
It enables accurate analysis of stress and strain and life prediction of single-crystal turbine blades, improving the accuracy of design optimization and the evaluation of material properties.
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Figure CN117313264B_ABST