Home > List of Keywords > *CD_CORR,FILE FILENAME
*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