{"id":397182,"date":"2024-12-12T00:04:09","date_gmt":"2024-12-12T00:04:09","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/mat_161-and-mat_162-licensing\/"},"modified":"2024-12-12T00:04:09","modified_gmt":"2024-12-12T00:04:09","slug":"mat_161-and-mat_162-licensing","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/mat_161-and-mat_162-licensing\/","title":{"rendered":"MAT_161 and MAT_162 licensing"},"content":{"rendered":"<p>&lt;p&gt;First, I have an old model that includes MAT_162. It stopped working and our system admin Greg Clift said that he only saw MAT_161 as being licensed. How did this happen? I didn&#8217;t even know you could license one without the other. We NEVER have used MAT_161. Can you please reinstate MAT_162? Second, what specifically is the difference between the two? In other words which parameters are effective in 161 but not 162? It&#8217;s impossible to determine from the User Manual. Third, when will LSTC develop their own Hashin based progressive damage material model for composites like MAT_162? My colleague has been working with you on MAT_299 but that&#8217;s fracture mechanics based and requires a lot of calibration. I&#8217;d prefer that someone knowledgeable call me at 425-591-6314 rather than just receiving a text response which probably will not answer my question. Thanks.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-397182","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=\"First, I have an old model that includes MAT_162. It stopped working and our system admin Greg Clift said that he only saw MAT_161 as being licensed. How did this happen? I didn&#039;t even know you could license one without the other. We NEVER have used MAT_161. 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