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Do we need to create attachment nodes in a .mnf file for connection of payload mass?

23104304
I am working on truck chassis+loadbody mnf in msc adams. Currently payload is attached to loadbody through RBE3 in NASTRAN directly. But as payload in truck changes I need new flex body every time.
 
my question is, can I retain payload connecting rigid elements in mnf plotel set and attach payload in adams directly to mnf node?
 
Or Do I need to create attachment nodes using ASET1 for payload connection and attach mass to int node only?
 
I have attached an image for understanding, arrows are drawn at location of distributed payload on the loadbody.
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    Can't you have multiple interface nodes in your MNF file? So that you can move around your load without having to generate a new MNF for each payload configuration?
     
    You could attach the loads directly to a non-interface node, but expect that interface to be too soft. So don't use it to measure any characteristics of the payload such as displacement or accelerations. I would not recommend it.
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    Can't you have multiple interface nodes in your MNF file? So that you can move around your load without having to generate a new MNF for each payload configuration?
     
    You could attach the loads directly to a non-interface node, but expect that interface to be too soft. So don't use it to measure any characteristics of the payload such as displacement or accelerations. I would not recommend it.
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