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plot versus time

Posted 9 févr. 2012, 00:48 UTC−5 Version 4.0a 3 Replies

hassan soliman
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Dear Sir,
I try to solve my problem in time domain

I apply sine wave on a conductor of underground cable to study the elecrtic filed in insulation

i get the distribution of electric field at 10 sec by setting time interval (0,0.1,10)

and in another run (i got it at 20 sec) by setting time interval (0,0.1,20)
and in another run ( i got it at 30 sec) by setting time interval (0,0.1,30)


finally i want to draw electric field at specific location versus time how can i get it?


thank you
3 Replies Last Post 9 févr. 2012, 03:40 UTC−5
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 9 févr. 2012, 01:50 UTC−5
Hi

are you looking after a transient or of the steady state behaviour with a sinus type wave ? Because time solver is for transient (amplitude changes randomly, exponentially etc with time, while the harmonic solvers are there for the constant ampolitude constant frequency operation (ie. 220VAC operation

--
Good luck
Ivar
Hi are you looking after a transient or of the steady state behaviour with a sinus type wave ? Because time solver is for transient (amplitude changes randomly, exponentially etc with time, while the harmonic solvers are there for the constant ampolitude constant frequency operation (ie. 220VAC operation -- Good luck Ivar
hassan soliman
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Posted: 1 decade ago 9 févr. 2012, 03:02 UTC−5
Dear Sir,

Actually i want to apply sin wave ( f=10 khz and voltage = 15 kV) for four houres on the surface of conductor and i want to see the distribution of electric field around conductor but i don't know how?
Dear Sir, Actually i want to apply sin wave ( f=10 khz and voltage = 15 kV) for four houres on the surface of conductor and i want to see the distribution of electric field around conductor but i don't know how?
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 9 févr. 2012, 03:40 UTC−5
Hi
then use the harmonic development / solver, check the doc
But what will vary over hours ?

--
Good luck
Ivar
Hi then use the harmonic development / solver, check the doc But what will vary over hours ? -- Good luck Ivar

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