Archive For June 2008
Swimming and CFD
on Saturday, June 21, 2008 by Martin in Sci & Tech, Comments (0)
Swimming is a kind of sports. CFD (Computational Fluid Dynamics) is to analyze fluid flow numerically using computers with some discrete models. Because of movement in water, the resistance generates. […]
First Swimming This Year
on by Martin in Health, Comments (0)
Today afternoon, I went swimming, which was my first swimming this year. I have swimmed for about 500 meters with breaststroke, which is the only swimming style I can do. […]
Run a Case with Variable Time Step in OpenFOAM
on Friday, June 13, 2008 by Martin in Computer Tech, Comments (1)
Generally, in the explicit schemes of differential method, Courant number is an important number which should be less than 1 in order to assure the stability. However, if the Courant […]
Solutions of Linear Equation Systems Used in OpenFOAM
on Wednesday, June 11, 2008 by Martin in Mathematics, Comments Off
Linear Equation Systems are most concerned in modern scientific and engineering computation, because most problems can be described by (partial) differential equations which could be discretized to a system of […]
Long time No Speaking English
on Monday, June 9, 2008 by Martin in Lang. Learning, Comments (1)
I have not speak English for a long time so that I was nervous when I speak it using Internet chatting tool, UC. There are some hot chatting room which […]
Can Human Predict Earthquake?
on Friday, June 6, 2008 by Martin in Sci & Tech, Comments (0)
From the “5.12″ Wenchuan Earthquake, there has been a heated discussion in China about whether human can predict earthquake or not. Some people think human can investigate animal’s abnormal phenomena, […]