Moments in the OLOAD output

Hi all,

I am trying to understand the output moments of the OLOAD in the f06. How is the SUPERELEMENT BASIC SYSTEM COORDINATES defined? is there any possility to let nastran calculates the moments with respect to a user defined coordinate system?

Thanks

0 Hrishikesh Phadke over 5 years ago

OLOAD output is always in Basic coordinate system. You can output the OLOAD in local coordinate system using MONPNT1 entry. MONITOR=ALL is required in case control to output MONITOR POINTS.

Attached Files (1)

101_monpnt1.bdf.zip
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel
0 alessandro.a.lurgo over 5 years ago

Thanks you!

The basic coordinate system I suppose is (0,0,0), meaning the origin of my model. It is the one defined, for example, by a blank entry in the CP field of the GRID card, right?
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel
0 Hrishikesh Phadke over 5 years ago

Correct..
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel
0 mike.coleman over 5 years ago

Hi Alessandro

An alternative is to use a DMAP alter supplied with the installation called oloadcd*

Typically the files will be in a directory similar to

C:\MSC.Software\MSC_Nastran\20190\msc20190\nast\sssalter

but you can check the location in any log file searching for SSSALTER.

I have attached the file for 2019.

Regards

Mike

Attached Files (1)

oloadcd.zip
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel