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non uniform boundary condition

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Old   February 19, 2014, 10:00
Default non uniform boundary condition
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zohreh imani nejad
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hi
i am a new user in openFoam
i want to simulate a problem with non-uniform boundary condition (pressure,temperature,,,,)
i dont know any thing about

type
value Expression
gradientExpression
fractionExpression
value

and what i should type in front of them
please help me
thanks
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Old   February 19, 2014, 10:24
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Bernhard
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Please update your question so that I understand what you are actually trying? Are you actually asking "How can I implement a Robin-type boundary condition using groovyBC"?
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Old   February 19, 2014, 10:55
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zohreh imani nejad
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tx for your attention
yea
i dont know about groovyBC
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Old   February 19, 2014, 11:05
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zohreh imani nejad
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real i dont know how to employ a non-uniform boundary condition for example i want simulate a room with two windows and an inlet valve with different temprature in windows and zero gradient boundary condition in valve
how can i do it?
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Old   February 19, 2014, 14:57
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Have a look at

Non-uniform Boundary Conditions

and

http://blog.sina.com.cn/s/blog_781cd1290101b8gp.html
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Old   February 19, 2014, 16:13
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zohreh imani nejad
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can you help me about my second comment?
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