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1)  boundary fitted coordinates
边界拟合坐标
1.
In this paper, partial differential equations of vortex flow-stream function in boundary fitted coordinates and related ADI equations were listed.
列出了用边界拟合坐标表示的涡量-流函数绕流计算偏微分方程组,及其交替隐式有限差分和显式有限差分方程组。
2.
This paper describes the application of the finite difference method of boundary fitted coordinates in groundwater resources evaluation.
本文给出了边界拟合坐标系下的二维地下水流的基本方程。
2)  Body fitted coordinated method
边界拟合坐标法
3)  boundary-fitted coordinate system
边界拟合坐标系
1.
An operator splitting numerical method combining finite difference method (FDM) and finite element method(FEM) is proposed in this paper by using boundary-fitted coordinate system.
边界拟合坐标系下给出耦合了有限差分法和有限单元法的新型的破开算子法。
2.
A hybrid mesh(unstructured mesh) method for simulation of high Reynolds number flow with complex boundaries under boundary-fitted coordinate system is proposed Using the hybrid mesh method for a crooked tunnel, more harmonic grid system and better numerical results were obtained.
提出一种在边界拟合坐标系下的混网格方法。
4)  unilateral boundary coordinate fitting
单侧边界坐标拟合法
5)  boundary fitted coordinate transformation
边界拟合坐标变换
6)  fitted boundary coordinate system
拟边界曲线坐标
补充资料:非线性最小二乘拟合
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性质:用最小二乘法拟合非线性方程。有些变量之间的非线性模型,通过变量变换可以化为线性模型,此称为外在线性。而有些变量之间的非线性模型,通过变量变换不能化为线性模型,通称为内在非线性。对于非线性模型y=f(ξ,θ)+ε,其残差平方和。S(θ)是θ的函数,当模型关于θ是非线性的,正规方程关于θ也是非线性的。基于使残差平方和s(θ)达到极小的原理求出θ的估计值,拟合非线性回归方程。

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