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.f06 file big size issue [MSC NASTRAN] (how to split)

.f06 file big size issue [MSC NASTRAN] (how to split)

.f06 file big size issue [MSC NASTRAN] (how to split)

(OP)
Dear All

Greetings

How to manage / split output file .f06 into multiple to reduce its huge size because of large structures problems and non-linear solutions?
[Most available text-editor are not able to open such big files, that's why need to customize the output to reduce file size]

Advance thanks for your help

Regards,
Abi

RE: .f06 file big size issue [MSC NASTRAN] (how to split)

How many GBs of f06 files are they?

Spaceship!!
Aerospace Engineer, M.Sc. / Aircraft Stress Engineer

RE: .f06 file big size issue [MSC NASTRAN] (how to split)

(OP)
The size is going upto 20GB and more :(
for info: using PUCK criteria with 400 solution

RE: .f06 file big size issue [MSC NASTRAN] (how to split)

(OP)
Thanks a lot @dmapguru. It worked.

RE: .f06 file big size issue [MSC NASTRAN] (how to split)

I use (and love) UltraEdit for this purpose. Not free, but fairly inexpensive. Free trial for 30 days is available. I like the Nastran syntax highlighting.

________________________
FEMAP v11.1.0
MSC Nastran v2013

RE: .f06 file big size issue [MSC NASTRAN] (how to split)

Hi Abi, could you find out why your .f06 file is too large?
If you are unable to open and read, then better to run just a small part of your FEM just to check.
Try to focus on lines which have a lot of repetitions.
Example: if you have solid element (CTETRA10, HEXA8 etc.) then you may recieve message in .f06 that DOP in rotations are not defined, it look like this:

G R I D P O I N T S I N G U L A R I T Y T A B L E
0 POINT TYPE FAILED STIFFNESS OLD USET NEW USET
ID DIRECTION RATIO EXCLUSIVE UNION EXCLUSIVE UNION
729192 G 6 0.00E+00 BF F SB S *
729193 G 4 0.00E+00 BF F SB S *
729193 G 5 0.00E+00 BF F SB S *
729193 G 6 0.00E+00 BF F SB S *
729194 G 4 0.00E+00 BF F SB S *
729194 G 5 0.00E+00 BF F SB S *

etc.

This you can simply suppress by adding of parameter:
PARAM, PRGPST, NO

There many options how to reduce .f06, but it is better to know what...

Hope this helps, Jan

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