Aero-Thermal-Structural Optimization of a High-Pressure Turbine Rotor With Robustness Evaluation to in-Service Deterioration

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The optimization process achieved a peak stress reduction of 17.5MPa and reduced the peak temperature by 27.5K, enhancing rotor performance.
High-fidelity numerical simulations evaluated the aerodynamic, thermal, and structural aspects, allowing for thorough performance analysis.
Optimal designs were tested against in-service deterioration patterns to assess their durability over multiple operational cycles.
The final design selection involved a three-dimensional Pareto front, balancing aerothermal performance and structural integrity under constraints.

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Multi-disciplinary optimization enhances stress reduction and temperature control in turbine rotors, suggesting improved durability.

Carta et al. (2025) studied this question.

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