Construction method of explosive thermal viscoelastic-plastic creep constitutive model and damage analysis method

The invention discloses a construction method and a damage analysis method of an explosive thermal viscoelastic-plastic creep constitutive model, and relates to the technical field of energetic material constitutive model research, the construction method comprises the following steps: S1, establishing a viscoelastic model; s2, establishing a viscoplastic model; s3, constructing a thermal viscoelastic-plastic constitutive model of the explosive; s4, constructing an explosive damage model; s5, constructing a thermal viscoelastic-plastic creep constitutive model of the explosive; the damage analysis method comprises the following steps: decomposing a strain increment; analyzing the three-dimensional increment of the explosive thermal viscoelastic-plastic creep constitutive model; analyzing an implicit iterative solution format of the explosive thermal viscoelastic-plastic creep constitutive model; programming the model in the incremental form to obtain a user subprogram, and calling the user subprogram by using