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Where can I find the meaning of certain parameters
Posted 2 juil. 2012, 09:47 UTC−4 Parameters, Variables, & Functions Version 4.2a 1 Reply
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Hi all,
I read a tutorial about Karman vortex street simulation several days ago. There was a weird formula, U_mean*6*s*(1-s)*step1(t[1/s]).
It took me quite long to find out what does "s" and "step1" mean. Actually, I found out their meaning in Comsol forum rather than Comsol software itself.
So where can I find the meanings of those parameters? Namely, "c" stands for concentration, "step1" stands for step function, etc. Is there any built-in-library in the software that I can look into?
Thanks for helping.
Best regards,
Mao
I read a tutorial about Karman vortex street simulation several days ago. There was a weird formula, U_mean*6*s*(1-s)*step1(t[1/s]).
It took me quite long to find out what does "s" and "step1" mean. Actually, I found out their meaning in Comsol forum rather than Comsol software itself.
So where can I find the meanings of those parameters? Namely, "c" stands for concentration, "step1" stands for step function, etc. Is there any built-in-library in the software that I can look into?
Thanks for helping.
Best regards,
Mao
1 Reply Last Post 2 juil. 2012, 16:53 UTC−4
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Posted:
1 decade ago
Hi
the best way is to get hand on the 4.3 doc that now describes better the variables, in older v4, you have only the Parameter Equation setting ON to look at the parameter (in an unsorted list, it takes some time but you learn them like that ;)
Or you search the help (use concentration or step, while "s" try with two spaces. s is the definition of the 2D boundary =edge) parameter going from 0 to 1 along the "arrow" direction of COMSOL (note it might have changed direction between 4.2 and 4.3 see the release notes, these directions are defined "by convention", none are really wrong or righte
--
Good luck
Ivar
the best way is to get hand on the 4.3 doc that now describes better the variables, in older v4, you have only the Parameter Equation setting ON to look at the parameter (in an unsorted list, it takes some time but you learn them like that ;)
Or you search the help (use concentration or step, while "s" try with two spaces. s is the definition of the 2D boundary =edge) parameter going from 0 to 1 along the "arrow" direction of COMSOL (note it might have changed direction between 4.2 and 4.3 see the release notes, these directions are defined "by convention", none are really wrong or righte
--
Good luck
Ivar