Therefore, this paper introduces a linearized function in light of the flow conditions of natural gas and obtains an analytic solution through solving nonlinear equations.
对此，本文根据天然气流动情况，引入一线性化函数，通过求解非线性方程得到了解析解。
2
Under the assumptions of linearized potential flow, the coupled problem of flow in the interior and exterior fluid regions was solved by an eigenfunction expansion approach.
在线性有势流的假定下，用特征函数展开方法求出了内部和外部流场的解。
3
Numerical solutions agree with supersonic linearized potential flow theory as a special case when the mean angle of attack tends to zero and with piston theory in hypersonic case.