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use of heaviside function

Posted 21.10.2010, 08:26 GMT-4 2 Replies

Bala Kampalli
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hi all,
i am new to comsol am using 3.5 and 3.5a till now i was just modelling basics. i am modelling for a earth as a rectangular block now i wanna insertt temp eqn given below with temperature steppings 0 :10:1000.
k = k0(1-r(T-t))H(1-r(T-t) + 0.001
k0 is const
t= 0
T 1000
H is heavyside function
so please suggest me how to use this eqn in COMSOL.
iplease reply me asap

thanks in advanced
2 Replies Last Post 21.10.2010, 12:43 GMT-4
Danial Tz
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Posted: 1 decade ago 21.10.2010, 12:42 GMT-4
in Comsol 3.5a you can use flc2hs(t-.1,.1) function. Simply search for flc2hs. Then you can use it in your multiplications directly.

--
Comsol 4.0a
Ubuntu 10.04.1
in Comsol 3.5a you can use flc2hs(t-.1,.1) function. Simply search for flc2hs. Then you can use it in your multiplications directly. -- Comsol 4.0a Ubuntu 10.04.1
Danial Tz
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Posted: 1 decade ago 21.10.2010, 12:43 GMT-4
duplicate
duplicate

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