Blade reduced model considering local contact and analyzing blade vibration characteristics
Journal of Sound and Vibration(2023)
Abstract
•The dovetailed blade model considering interface pressure distribution characteristics.•The model reduction method for preserving local contact features.•Micro-slip phenomenon of contact interface captured by dense macro-slip contact element.•Equivalent treatment of contact surface pressure and aerodynamic excitation.•Improved design of tenon structure parameters.
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Key words
reduced model,vibration,local contact
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