Simon Moreau has shared a nice addin for Navisworks that allows the automatic grouping of clashes. From his blog:
“This plug-in enables a lot of possibilities for sorting clash detection results in a meaningful report, and will become a full-time member of my coordination toolbox.
To install this plug-in, you can copy-paste the ClashDetective.ADSK.dll file available here in a new ClashDetective.ADSK folder in C:Program FilesAutodeskNavisworks Manage 2016Plugins. You can also see my edited version of the example code here.”
Here is what the installation folder looks like:
And the addin ribbon in Navisworks Manage 2016:
You can also download the Navisworks SDK from here: