Is it possible to use transient statistics in monitor point CEL expressions in CFX 11.0?
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It is not possible to use the transient average of a variable in a CEL expression. For example, to monitor the value of the transient average of the 1st component of velocity, it seems reasonable to use the expression shown below: probe(u.Trnavg)@source1 However, this will cause the solver to fail. The solution is to set an algebraic additional variable to the transient statistic required. For example, an algebraic additional variable called av1 could be defined using the expression: u.Trnavg It will then be possible to use the additional variable in expressions. Our original monitor example could then be set up as: probe(av1)@source1 Note that it may also be necessary to use the following expert parameter setting even if initial conditions have been set: 'transient initialisation override = t' A simple example is provided. **** Entered By: dsclarke @ 12/29/2007 10:40 AM **** |
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