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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Dispersion Analysis of CIP–FEM for Helmholtz Equation
亥姆霍兹方程 CIP-FEM 色散分析
2023/4/24
When solving the Helmholtz equation numerically, the accuracy of numerical solution deteriorates as the wave number k increases, known as `pollution effect' which is directly related to the phase diff...
近日，中国科学院空间科学与应用研究中心空间天气国家重点实验室科研人员燕广庆等及时追踪了THEMIS卫星的观测资料并进行了细致分析，获取了行星际磁场南向期间Kelvin-Helmholtz涡旋的难得观测证据，进一步通过卫星观测事实证明了在行星际磁场南向期间也可以发生具有规则周期性的Kelvin-Helmholtz涡旋，客观地打破了Kelvin-Helmholtz涡旋只能在行星际磁场北向条件下发生的传...
New Exact Jacobi Elliptic Function Solutions of Three-Dimensional Nonlinear Helmholtz Equation
in a Nonlinear Kerr-Type Medium
Jacobi elliptic function solution Helmholtz
equation nonlinear Kerr-type medium
2007/8/15
2002Vol.38No.6pp.657-659DOI:
New Exact Jacobi Elliptic Function Solutions of Three-Dimensional Nonlinear Helmholtz Equation
in a Nonlinear Kerr-Type Medium
YANG Yong1 and YAN Zhe...
On the MHD Boundary of Kelvin-Helmholtz Stability Diagram at Large Wavelengths
the MHD Boundary Kelvin-Helmholtz Stability Diagram Large Wavelengths
2010/10/27
Working within the domain of inviscid incompressible MHD theory, we found that a tangential discontinuity (TD) separating two uniform regions of different density, velocity and magnetic field may be K...