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*CD_CORR,FILE="PATH/CD_CORR_DTB"

Data format:

One line with 1 parameter, followed by one line with a list of identification numbers, as follows:

RED
IGR_1 ... IGR_N

Status:

Optional.

Purpose:

To reduce drag force due to embedment and pipeline movement.

Restriction:

The groups of elements IGR_1 to IGR_N must have been previously defined.

Details:

Parameter Description
CD_CORR_DTB Path and filename of the external data file providing the drag coefficient function of the Keulegan-Carpenter number (KC).
RED Reduction coefficient of drag due to pipeline embedment
IGR_1 Identification number of the first group of elements.
IGR_N Identification number of the last group of elements.

External data file format:

The file has the following format:

    Number of values (=N)  
    KC      Cdcorr (line with comments)
    KC(1)   CdCorr(1)
    KC(1)   CdCorr(1)
    ... 
    KC(N)   CdCorr(N)

For example, "Corr_Cd_dtb.dat":

    10 
    Kc Cdcorr
    0 1.5 
    10 1.5 
    15 1.4 
    20 1.2 
    25 1.1 
    30 1 
    40 1
    50 1
    60 1
    70 1