Titanium alloy forging process parameter optimization method combined with finite element numerical simulation program

The invention discloses a titanium alloy forging process parameter optimization method combined with a finite element numerical simulation program, which establishes a finite element numerical simulation model, and comprises the following steps: 1) obtaining a forging sample rheological curve through an isothermal thermal compression experiment, and performing microscopic structure detection on the compressed forging sample to obtain a corresponding relation among the temperature, the strain rate and the microstructure; (2) carrying out numerical simulation on the isothermal thermal compression experiment by utilizing a finite element numerical simulation model to obtain a corresponding relation between equivalent strain and a microscopic structure of the sample; (3) establishing an atlas: establishing a corresponding relation among an initial microstructure, a hot working process parameter value and a final microstructure; (4) according to the final structure requirement of forging, determining the hot worki