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step function

Posted 23 oct. 2011, 13:38 UTC−4 Heat Transfer & Phase Change Version 4.2 2 Replies

Patel Chiragkumar
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hello,

Can any one please explain how this step function works??

in input of heat flux: Q*step(t[1/s])

now in global defination:

step function:

parameter:

location: xx ......how this location value xx will change for every new time input???
from: x1 ???
to: x2 ????

My question is how this all value will vary with time???

Thanks in advance.

Regards,
Chirag Patel
2 Replies Last Post 25 oct. 2011, 07:00 UTC−4
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 24 oct. 2011, 01:23 UTC−4
Hi

always plot your functions (see the plot icon in the upper GUI window border, this helps t set all parameters, and to check that your input looks correct ;)

--
Good luck
Ivar
Hi always plot your functions (see the plot icon in the upper GUI window border, this helps t set all parameters, and to check that your input looks correct ;) -- Good luck Ivar
Patel Chiragkumar
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Posted: 1 decade ago 25 oct. 2011, 07:00 UTC−4


Thank you very much!!

I think I have to understand function (to read material) and try out trial and error method to understand how it works.!!

Regards,
Chirag Patel
Thank you very much!! I think I have to understand function (to read material) and try out trial and error method to understand how it works.!! Regards, Chirag Patel

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