In this paper, transonic doublet lattice method (TDLM) is improved,and the flutter veiocity can be calcuiated automatically, the computing speed is greatly increased.

• 改进了跨声速偶极子网格法（TDLM），且在颤振计算中能自动求颤振点速度，从而较大地提高了计算速度，并有利于方法在较大马赫数及较大减缩频率时的应用。