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timeVaryingUniformFixedValue (see the graph/picture)

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Old   September 15, 2014, 14:37
Default timeVaryingUniformFixedValue (see the graph/picture)
Tommy Sp
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I would to implement "timeVaryingUniformFixedValue" to my inlet pressure (b.c.). But "time" in the source code it seems in "1 2 3 4 5 6 ... ", that is, integer. But I need specify time varying pressure with decimals of seconds "1.0 1.1 1.2 1.3 1.4 1.5......2.0......3.0 3.1seconds" ... and should be polynomial/continuous curve. This is the graph:


on 0/p file, I believe it will be like it:

        type timeVaryingUniformFixedValue;
        fileName "$FOAM_CASE/time-series";
        outOfBounds clamp;         

and time-series would be like it:

(0 value1)
(1 value2)
(2 value3)
(3 value4)
question 1: How should I specify 0/p file correctly?
question 2: How should I specify "time-series" file to this graph?
question 3: After the program apply the complete sequence of values ​​"time-series", starts a new cycle reproducing the pulse pressure (cyclic process) again?

Best regards,
Vitor Spadeto Venturin
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Old   September 17, 2014, 07:05
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"timeVaryingUniformFixedValue" was removed in OpenFOAM 2.1.0. However, a new boundary condition was introduced called "uniformFixedValue" (see

There is also the setting "outOfBounds" where you can define what happens when the simulation time is outside of your defined time values, for instance repeat or clamp.

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