Optimal design method of embedded piezoelectric branch damping for general blade disk structure
A technology for optimizing design and disk structure, applied in design optimization/simulation, calculation, electrical digital data processing, etc.
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[0069] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.
[0070] The invention discloses an embedded piezoelectric branch damping optimization design method for a general blisk structure, based on a finite element model and analysis technology, and can be completed by using any existing commercial / open source finite element platform. The method includes the following steps: first, establish a finite element model of the blisk structure and input relevant parameters; calculate the potential electric field intensity corresponding to the specified mode; then, limit the quality of the piezoelectric material and optimize the embedded position of the piezoelectric material on the specified component; Finally, the circuit connection mode of the piezoelectric material is designed; and the modal electromechanical coupling coefficient is calculated; under the given amount of piezoelectric material, the arrangement posi...
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