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Volume average
Posted 12 déc. 2011, 14:28 UTC−5 1 Reply
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Hi,
I have a question about volume average. If the mesh contains nodes of different sizes is this accounted for in the volume average? (i.e, when calculating average force in a volume, is the result a summation of forces/node size or just the force?)
if there is no division by node area then is it possible to get this information?
thanks
I have a question about volume average. If the mesh contains nodes of different sizes is this accounted for in the volume average? (i.e, when calculating average force in a volume, is the result a summation of forces/node size or just the force?)
if there is no division by node area then is it possible to get this information?
thanks
1 Reply Last Post 12 déc. 2011, 16:17 UTC−5
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Posted:
1 decade ago
Hi
from my understanding the average in v4 is a shortcut for "intop1(whatever)/intop1(1)" where intop1(1) = volume and means the volume integration of operand "1*dx*dy*dz" (hence the element size is included de facto). In 3.5 one had to write it out like that, it's easier now in V4
for a surface average it's the same, but there the double integration normalisation gives the Area, etc.
--
Good luck
Ivar
from my understanding the average in v4 is a shortcut for "intop1(whatever)/intop1(1)" where intop1(1) = volume and means the volume integration of operand "1*dx*dy*dz" (hence the element size is included de facto). In 3.5 one had to write it out like that, it's easier now in V4
for a surface average it's the same, but there the double integration normalisation gives the Area, etc.
--
Good luck
Ivar