COMSOL在连铸中的应用.pdf

节选段落一：
Application of Comsol Multiphysics in
continuous casting
Xiaoli Jin
Department of Material Science & Engineering
Shanghai University
Overview
Presentation of questions
Establishment of mathematical model
Verified of mathematical model
Conclusions
Ironmaking & Steelmaking
Continuous Continuous
castingcasting


节选段落二：
Make programs by yourself
complex and difficult
With the commercial software
Comsol Multiphysics
establishment of mathematical model
Geometric model
Liquid
metal
Copper
mold
How to calculate the heat transfer
under mold oscillation?


节选段落三：
(Difficulty)
Attempt
Heat transfer + Moving mesh
Heat transfer + Comsol script
General heat transfer (convection term)
Governing equation
2 2
2 2( )s s s s s
y
s s
T T T Tu
t y c x y
λ
ρ
∂ ∂ ∂ ∂
+ = +
∂ ∂ ∂ ∂
2 2
2 2( )m m m m m
y
m m
T T T Tu
t y c x y
λ
ρ
∂ ∂ ∂ ∂
+ = +
∂ ∂ ∂ ∂
For liquid metal,
For