One Way to Reduce Unsteady Computational Complexity in CFD

This paper proposes a method that can reduce unsteady computational complexity in CFD, which bases on the characteristics of aircraft flow field. The new scheme can reduce the computational complexity more than 30% compared to conventional solutions by verification. The flow pattern obtained by the new calculation scheme is consistent with the traditional computing solutions,drag results has several thousandths difference and lift results has a few percent difference. The method is simple and feasible.