Menu

Discussion Forum

New Discussion
Filter

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 The information provided may be out of date.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.

How can i introduce variables in priffix and suffixes in comsol ?

Posted Nov 11, 2011, 11:10 a.m. EST Version 4.2 3 Replies

Krishnachaitanya S
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Hi,
Can any one suggest me how to indicate variable with preffixes and suffixes in comsol 4.2. If it is possible please tell me how :)...

Regards,
Krishna Chaitanya S.
3 Replies Last Post Nov 12, 2011, 5:55 a.m. EST
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 1 decade ago Nov 12, 2011, 4:11 a.m. EST
Hi

I'm not aware of a list, many are presented in the latest doc version, I usually search in the "Equation view" for the main physics nodes.

basically the physics identifier come first, separaed by a variable name preceded by a "." i.e solid physics density "solid.rho"

If you have several models its mod1.solid.rho and mod2.solid.rho to distinguish them, but if you are working under mod1 in a multiple model name the default attached to "local mod1." variables

--
Good luck
Ivar
Hi I'm not aware of a list, many are presented in the latest doc version, I usually search in the "Equation view" for the main physics nodes. basically the physics identifier come first, separaed by a variable name preceded by a "." i.e solid physics density "solid.rho" If you have several models its mod1.solid.rho and mod2.solid.rho to distinguish them, but if you are working under mod1 in a multiple model name the default attached to "local mod1." variables -- Good luck Ivar
Krishnachaitanya S
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 1 decade ago Nov 12, 2011, 4:38 a.m. EST
Hi Ivar,
The suffix and preffixes i talked about are different to that u have mentioned ...

For an example i have different youngs modulus for a same material at different phases(Martensite and Austenite). If i have to indicate it with variable name Ea and Em (suffix or preffix as a/m) can it be indicated?

Krishna Chaitanya S.
Hi Ivar, The suffix and preffixes i talked about are different to that u have mentioned ... For an example i have different youngs modulus for a same material at different phases(Martensite and Austenite). If i have to indicate it with variable name Ea and Em (suffix or preffix as a/m) can it be indicated? Krishna Chaitanya S.
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 1 decade ago Nov 12, 2011, 5:55 a.m. EST
Hi

I believe that is depending on your model, you might define two materials data and then define the final "user defined Young modulus" by a combination of your two values (eiher based on rations fields delta(x,y,z) or by some other means.

I believe it would be tricky to try to change all COMSOL internals equations using E (Young modulus references) to your two values.

How do you want to deal with a material with ea and em, you must have a way to tell what is the resulting from a combination of these two E's, or ? have I mssed something

--
Good luck
Ivar
Hi I believe that is depending on your model, you might define two materials data and then define the final "user defined Young modulus" by a combination of your two values (eiher based on rations fields delta(x,y,z) or by some other means. I believe it would be tricky to try to change all COMSOL internals equations using E (Young modulus references) to your two values. How do you want to deal with a material with ea and em, you must have a way to tell what is the resulting from a combination of these two E's, or ? have I mssed something -- Good luck Ivar

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.

Suggested Content