.BondLib.Sources.tableSf

Information

The tabular flow source is an active OnePort element. It inherits the effort and flow variables from the active OnePort. The tabular flow to be generated is modeled as a two-dimensional parameter table plus a set of two scalar parameters.

The flow source has its causality stroke at the source.


Potential variables:

 e:          Bondgraphic effort variable

 f:          Bondgraphic flow variable, normalized positive for flows out of the model


Parameters:

 table:      Two-dimensional table with supporting values (default value = [0, 0; 1, 1; 2, 4])

 offset:     Offset of time function to be generated (default value = 0)

 startTime:  Start time of time function to be generated (default value = 0)


The model generates a flow source by linear interpolation in a table. The time points and flow values are stored in a matrix table[i,j], where the first column table[:,1] contains the time points, and the second column contains the flow to be interpolated. The table interpolation has the following proporties:


Example:

   table = [0  0
            1  0
            1  1
            2  4
            3  9
            4 16]
If, e.g., time = 1.0, the flow f =  0.0 (before event), 1.0 (after event)
    e.g., time = 1.5, the flow f =  2.5,
    e.g., time = 2.0, the flow f =  4.0,
    e.g., time = 5.0, the flow f = 23.0 (i.e. extrapolation).

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