[mongya]

Hi, I want to know if my derivation of discretized governing equation of 2D convection-diffusion is right. Because i am high schooler and my first language is not English, there could be some mistranslation. If so please comment below.IMG_0825.jpgIMG_0826.jpg

[FMDenaro]

Originally Posted by mongya

Hi, I want to know if my derivation of discretized governing equation of 2D convection-diffusion is right. Because i am high schooler and my first language is not English, there could be some mistranslation. If so please comment below.Attachment 100730Attachment 100731

You should be aeare that FVMs are based on The integral formulation

[mongya]

Originally Posted by FMDenaro

You should be aeare that FVMs are based on The integral formulation

As you can in the picture i did integrate the partial differential equation. So even though the first governing equation is given differential form, i solved fvm problem

[FMDenaro]

Originally Posted by mongya

As you can in the picture i did integrate the partial differential equation. So even though the first governing equation is given differential form, i solved fvm problem

In order to full understand the topic about FVM methods, I suggest to approach a time-dependent problem. This way you see the meaning of cell-averaged values and flux reconstruction issue.

[mongya]

Originally Posted by FMDenaro

In order to full understand the topic about FVM methods, I suggest to approach a time-dependent problem. This way you see the meaning of cell-averaged values and flux reconstruction issue.

I have actually just learnt cfd theory. So for me time-dependent in other words unsteady problem is yet hard to handle.