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1)  Fourier-spectral-spectral-element method
Fourier谱-谱元法
1.
The 3rd-order splitting algorithm based on the mixed stiffly stable scheme is employed in the temporal discretization of the N-S equations and the mixed Fourier-spectral-spectral-element method in the spatial discre.
Navier-Stokes方程的时间离散采用基于混合刚性稳定格式的三阶分裂算法,空间离散采用Fourier谱-谱元法。
2)  Fourier spectral method
Fourier谱方法
1.
Existence and uniqueness of Boussinesq systems of equations and error estimate of Fourier spectral method;
Boussinesq方程组解的存在唯一性和Fourier谱方法的误差估计
2.
The Fourier spectral method is used to discrete Fitz-Hugh-Nagumo equations in spatial direction.
利用Fourier谱方法对Fitz-Hugh-Nagumo方程在空间方向半离散,得到了近似解的误差估计,并证明了近似整体吸引子的存在性和上半连续性。
3.
The periodic initial value problem of generalized Ginzburg-Landau equation is discretized by Fourier spectral method in spatial direction.
利用Fourier谱方法对带周期初边值条件的广义Ginzburg Landau方程在空间方向做半离散,得到了其近 似解的误差估计,并证明了近似整体吸引子的存在性和上半连续性。
3)  Fourier spectral methods
Fourier谱方法
1.
Fourier spectral methods for nonlinear Klein Gordon equation;
非线性Klein-Gordon方程的Fourier谱方法
4)  Fourier-spectral method
Fourier-谱方法
5)  Fourier pseudo-spectral method
Fourier伪谱方法
1.
The evolution of three-dimensional instability T-S wave was simulated by spatial DNS(direct numerical simulation) in which third-order precision mixed explicit-implicit scheme was employed for temporal discretization while a method combining Fourier pseudo-spectral method with high precision compact finite difference was implemented for spatial discretization.
时间离散采用三阶精度混合显隐分裂格式,空间离散则结合Fourier伪谱方法及高精度紧致有限差分逼近,法向采用非等间距网格坐标变换,出口边界条件采用嵌边函数法,程序采用MPI(Message passing interface)并行方法编写。
6)  Fourier pseudo-spectral
Fourier拟谱方法
1.
The discretization in space and in time and the mulit-symplectic consevation law are obtained for the symplectic schemes of vibration equations of beams by means of Fourier pseudo-spectral method.
利用Fourier拟谱方法,分别对梁振动方程的辛格式进行空间和时间方向上的离散,得到相应的多辛守恒律。
2.
We discrete it by symplectic Fourier pseudo-spectral method and obtain a multisymplectic scheme with N discrete multi-symplectic conservation laws.
用辛Fourier拟谱方法对其离散得到具有N个离散的多辛守恒律的多辛格式。
补充资料:裂解气相色谱-质谱法
分子式:
CAS号:

性质:在普通的气相色谱质谱联用仪(GC/MS)的进样系统中加一个热裂解器,在热裂解器中,高聚物大分子被加热裂解成小分子气体,载气辛巴这些小分子带入色谱仪进行分离,再引入质谱仪进行电离和分析,质谱仪给出这些小分子的质谱图,化学家可以根据质谱结果,推测出原来高聚物的种类和可能结构。

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