The dynamic equation of cracked rotor was modelled, which is based on the local flexibility theorem and the hinge crack model;the numerical simulation solutions were obtained from the model.

• 摘要基于局部柔度理论和铰链裂纹模型，建立了裂纹转子的动力学模型，得到了裂纹转子与无裂纹转子的数值仿真解。