本文介绍了求解奇异摄动问题的一种有效方法——边界层函数法,并用此方法研究了在薄矩形板中的热传导问题。
In this paper, the boundary layer function method, an effective method for the solution of singular perturbation, was presented and used to deal with the heat transfer in thin rectangular plates.
采用独特的机翼外形曲线拟合函数摄动方法来改变机翼。
An especial perturbation technique of curve fitting shape function is applied for variation of the wing shape.
采用正则摄动法,求出了由有限项初等函数所构成的渐近解。
The asymptotic solutions composed of finite terms of elementary functions are obtained by regular perturbation method.
采用复变函数及摄动方法,最后以幂级数形式给出应力强度因子的计算公式。
Stress intensity factors at the craek tips are computed by complex variable functions and perturbation method and formulas are given in power series forms.
该相位信息需从频域分析得出。 本文应用摄动理论推导了到二阶的锚泊线张力响应函数。
The first and second order frequency response functions obtained were compared with the corresponding theoretical ones.
利用边界层函数法研究了一类非线性三阶微分方程的奇摄动边值问题。
Use the method of boundary layer functions to study the singularly perturbed boundary value problem for a kind of third order nonlinear differential equations.
作为摄动因素的摩擦力是滑动速度的任意非线性函数。
The sliding friction is an arbitrary nonlinear function of the sliding speed.
采用摄动法研究了楔形杆轴的固有纵扭振动,并且推导出了其固有纵扭振动的振型函数及频率特征方程。
The natural longitudinal or torsional vibration of a wedge-shaped shaft is studied with perturbation method. The vibration mode function and the frequency characteristic equation are derived.
研究结果表明,逆传递函数矩阵可视为正规矩阵,且动力学参数的摄动不影响其正规性。
The results show that the inverse transfer function matrix is a normal matrix, and this fact is independent of the spacecraft dynamical parameters.
本文用摄动方法求解热传导系数是温度的线性函数的非线定常温度场问题。
In this paper the nonlinear stable temperature field problem, in which the conductivity is a linear function of temperature, has been solved by using the perturbation technique.
将自由参数摄动法与样条函数拟合法结合起来,研究了碟形扁壳在均布载荷作用下的非线性局部稳定问题,即壳体的起始失稳区域,以及该区域与几何参数的关系等问题。
The Free-Parameter Perturbation Method together with Spline-Method are applied to study the nonlinear local stability of the dished shallow shell under uniformly distributed loads, i.
将自由参数摄动法与样条函数拟合法结合起来,研究了碟形扁壳在均布载荷作用下的非线性局部稳定问题,即壳体的起始失稳区域,以及该区域与几何参数的关系等问题。
The Free-Parameter Perturbation Method together with Spline-Method are applied to study the nonlinear local stability of the dished shallow shell under uniformly distributed loads, i.
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