Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.
Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.
confusion between comsol 3.5a and 4.3a
Posted 08.02.2013, 07:22 GMT-5 RF & Microwave Engineering, Interfacing Version 3.5a, Version 4.3a 2 Replies
Please login with a confirmed email address before reporting spam
It might be a noob question, but could anyone please tell me how this should work in comsol 4.3a.
So in comsol 3.5a in order to save the normalized electric field i just did this:
created the mesh:
x1=0:1.5e-9:150e-9;
y1=0:1.5e-9:150e-9;
z1=-150e-9:1.5e-9:150e-9;
Then had the export function (comsol_feldexport) as .m file which had the inerpolation done with postinterp.
After that, i saved the field at the grid points by using the following line:
results = comsol_feldexport(fem,filename,x1,y1,z1);
After that I had my fields and i was all happy.
I do not know how i could access fem anymore in comsol 4.3a, as after solving the Mfile, I only get 'ans' in the workspace and fem is not there anymore.
Please let me know if you have any information.
thanks in advance,
Please login with a confirmed email address before reporting spam
in the latest COMSOL version (4.3a), do this:
- Right-click the tree node Results > Export, and select Data.
- Change "Points to evaluate in" to Grid.
- Enter in x-, y- och z-coordinates. Click the button beside the range edit field to get different range options.
- Complete the other inputs such as export file name and click Export.
If you want to do this programatically in your MATLAB function, I suggest you do it like above in the GUI first, and then save as Model-M file.
-Niklas
hello everyone,
It might be a noob question, but could anyone please tell me how this should work in comsol 4.3a.
So in comsol 3.5a in order to save the normalized electric field i just did this:
created the mesh:
x1=0:1.5e-9:150e-9;
y1=0:1.5e-9:150e-9;
z1=-150e-9:1.5e-9:150e-9;
Then had the export function (comsol_feldexport) as .m file which had the inerpolation done with postinterp.
After that, i saved the field at the grid points by using the following line:
results = comsol_feldexport(fem,filename,x1,y1,z1);
After that I had my fields and i was all happy.
I do not know how i could access fem anymore in comsol 4.3a, as after solving the Mfile, I only get 'ans' in the workspace and fem is not there anymore.
Please let me know if you have any information.
thanks in advance,
Please login with a confirmed email address before reporting spam
x1=0:1.5e-9:150e-9;
y1=0:1.5e-9:150e-9;
z1=-150e-9:1.5e-9:150e-9;
After loading this data, I don't know how to recreate the surface plot in Matlab. Can someone give me an example of commands to deal with this issue, please?
regards,