Direct properties Vs Indirect

Altair Forum User

Hi All,

 

I am working on FEM. When i create a properties, some of them are checked for direct properties. I want to know if i am running the FEM through nastran, what should it be. direct properties should be checked or not. Can you please explain what are direct and indirect properties. Is it the properties applied by collector Vs applied directly onto element? But why some of them are checked automatically. Thanks

I also get a warning message saying ' This operation will result in removing the direct property....' see below if i try to uncheck. 

Ray

 

tinh

Yes, direct props are ones assigned directly to elems (in panel properties>assign, you can select all elems and unassign)

some props are checked as 'direct' because you assigned it to some elems, or you imported FE data from a file that does not have HM comments