43
edits
Bim package: Difference between revisions
→2D Diffusion Advection Reaction example
No edit summary |
|||
| Line 6: | Line 6: | ||
We want to solve the equation | We want to solve the equation | ||
<math> -\mathrm{div}\ ( \varepsilon\ \nabla u(x, y) - \nabla \varphi(x,y)\ u(x, y) ) ) + u(x, y) = 1 \qquad in \Omega</math> | <math> -\mathrm{div}\ ( \varepsilon\ \nabla u(x, y) - \nabla \varphi(x,y)\ u(x, y) ) ) + u(x, y) = 1 \qquad \mbox{ in } \Omega</math> | ||
<math> \varphi(x, y)\ =\ x + y </math> | <math> \varphi(x, y)\ =\ x + y </math> | ||