CFX-Pre Expression
Hello, who can help me?
I want to create an expression as a function of time At t=0s I want a Temperature of 300K then until t=60s T shoulp be equal to 923.4 K then after t>60s T should be stable at the level of 923.4 K. So how can I get an expression with this time Steps? For 0s=<t=<60s I would need an expression like: T=300[K]+Time*10.39[K s^-1] And for t>60s I would need the expression T=923,4K But how can I combine this? |
Re: CFX-Pre Expression
Dear Roland,
Please read the documentation about the CEL step function.. It is meant for this type of situation.. Opaque.. |
Re: CFX-Pre Expression
Dear Roland Use min function. first calculate T1=300[K]+Time*10.39[K s^-1],then T2=923.4[K] then T=min(T1,T2). I think this should work. Bye Ram Dayal
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Re: CFX-Pre Expression
Thank you, it worked with the step function
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