Elmer Discussion Forum

Yes that is, booting from usb. Believe me, you hardly notice is an external harddisk.

Hi Matthias

I would use an external usb ssd hardrive rather than virtualization for Linux.

Hi Peter Thanks for your reply and sorry for the low info, I thought it was a general question not so hard to answer. It is steady state with convergence of nonlinear system. My previous thought was that a denser mesh was hard to compute but easier for convergence, but now I realize that it's not th...

I´ve made a simple simulation of flow through a sheet (2D) with navier-stokes equation and porous resistivity in material and the results are very accurate. However this happens when the mesh is coarse, when I make smaller elements convergence becomes more difficult and results are bad. Can someone ...

You mean Bluecfd I guess.Dont know if this mod is isolated from windows.

OpenFoam runs only over Linux, and you can´t avoid this OS.

Follow this guide

http://www.elmerfem.org/elmerwiki/index ... e_to_Elmer

I have not done any radiation simulation but it seems to me that your problem is you have not excluded air from radiation calculation like you wanted. I´d try to make two heat equations, so that air would be included only in the second with no radiation inputs.

I also think is correct to give temperature and heat transfer coefficient, but if you get so high temperature the coefficient must be wrong because it is dependent on temperature and must be higher at that level. You can get simple coefficients on http://www.thermal-wizard.com/tmwiz/default.htm.

Hi Rainer

It seems to me that air only flows inside the Rasperri Pi case, and external air is not included.