{"id":397807,"date":"2024-12-17T22:43:35","date_gmt":"2024-12-17T22:43:35","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-finding-contact-pressure-of-a-named-selection\/"},"modified":"2024-12-17T22:43:35","modified_gmt":"2024-12-17T22:43:35","slug":"help-finding-contact-pressure-of-a-named-selection","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-finding-contact-pressure-of-a-named-selection\/","title":{"rendered":"Help Finding Contact Pressure of a Named Selection"},"content":{"rendered":"<p>&lt;p class=&#8221;MsoNormal&#8221;&gt;Hello!&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;I&#8217;m currently working on an analysis of a Hirth joint, and am wanting to evaluate the contact pressure at the Hirth teeth. I&#8217;ve assigned 2 separate frictionless contacts, as the teeth undergo different stress levels depending on the direction of applied torque. This allows me to get average contact stress values for a high side and low side of the teeth, but I&#8217;m seeing some unwanted stress concentrations at the edges (as expected). I do not want these included in my results. As such, I&rsquo;ve created named nodal selections to exclude these singularities, but I&#8217;m unsure how to generate a contact pressure result.&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;I can re-run with contacts defined by the named selections, but I&#8217;m afraid it will just move the stress concentrations inward as I&#8217;m essentially just redefining the edge, right? If this understanding is wrong, please let me know.&nbsp;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Any insight on how to generate these contact pressures without including the edge nodes would be greatly appreciated. Below are some images for reference:&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/17-12-2024-1734475076-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/17-12-2024-1734475095-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/17-12-2024-1734475133-mceclip2.png\" \/><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/17-12-2024-1734475177-mceclip4.png\" \/><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/17-12-2024-1734475193-mceclip5.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Please let me know if there is any other information I can provide. I&#8217;m definitely a novice with Ansys, so any tips are greatly appreciated.&nbsp;&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Thank you,&lt;\/p&gt;&lt;p class=&#8221;MsoNormal&#8221;&gt;Zach&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-397807","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello!I&#039;m currently working on an analysis of a Hirth joint, and am wanting to evaluate the contact pressure at the Hirth teeth. I&#039;ve assigned 2 separate frictionless contacts, as the teeth undergo different stress levels depending on the direction of applied torque. 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