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This page has been translated for your convenience with an automatic translation service. This is not an official translation and may contain errors and inaccurate translations. Autodesk does not warrant, either expressly or implied, the accuracy, reliability or completeness of the information translated by the machine translation service and will not be liable for damages or losses caused by the trust placed in the translation service.Translate
It looks like the ends of some of the beams are not connected together. Inventor normally detects when lines intersect and automatically joins the beams, but sometimes it does not detect the intersection. According to this article, you can try a smaller mesh size. If that does not fix it, you can split the sketch lines where the beams should intersect but the beams are not connected. See Beam elements not connected together in Inventor Nastran analysis
John
John Holtz, P.E. Global Product Support Autodesk, Inc.
If not provided already, be sure to indicate the version of Inventor Nastran you are using!
