warning of modal analysis

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huzb
Posts: 21
Joined: Mon Aug 04, 2014 7:23 pm
Location: Tongji University

warning of modal analysis

Post by huzb » Sat Aug 26, 2017 7:04 pm

hi all

Followin warnings were encountered when running modal analysis of a -ndm 2 -ndf 3 structure.

WARNING DOF_Group::setID - invalid location 3 in ID of size 3
WARNING DOF_Group::setID - invalid location 4 in ID of size 3
WARNING DOF_Group::setID - invalid location 5 in ID of size 3
WARNING DOF_Group::setID - invalid location 3 in ID of size 3
WARNING DOF_Group::setID - invalid location 4 in ID of size 3
WARNING DOF_Group::setID - invalid location 5 in ID of size 3
WARNING DOF_Group::setID - invalid location 3 in ID of size 3
WARNING DOF_Group::setID - invalid location 4 in ID of size 3
WARNING DOF_Group::setID - invalid location 5 in ID of size 3
WARNING DOF_Group::setID - invalid location 3 in ID of size 3
WARNING DOF_Group::setID - invalid location 4 in ID of size 3
WARNING DOF_Group::setID - invalid location 5 in ID of size 3

selimgunay
Posts: 889
Joined: Mon Sep 09, 2013 8:50 pm
Location: University of California, Berkeley

Re: warning of modal analysis

Post by selimgunay » Thu Aug 31, 2017 11:54 pm

For some reason it seems there is something wrong with the DOF allocation. Are you suing only line elements?

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