{"id":403798,"date":"2025-01-06T21:33:26","date_gmt":"2025-01-06T21:33:26","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403798\/"},"modified":"2025-01-06T21:33:26","modified_gmt":"2025-01-06T21:33:26","slug":"403798","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403798\/","title":{"rendered":"Reply To: HET_RXN_RATE UDF"},"content":{"rendered":"<p>&lt;p&gt;Got it running once I changed&nbsp; &lt;span style=&#8221;color: #236fa1;&#8221;&gt;Thread *tp = pt[2]&lt;\/span&gt; to &lt;span style=&#8221;color: #236fa1;&#8221;&gt;Thread *tp = pt[0]&lt;span style=&#8221;color: #000000;&#8221;&gt; It ran for a while (which had not hapened before!) then got Floating point error.&lt;\/span&gt;&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;2 is the Phase ID in the Phase Interactions GUI but since that phase is the primary phase 0 seems to work.&lt;br&gt;&lt;br&gt;Since the reaction is contained in the UDF. Should the Reaction under Properties in the Material (for Phase 1 and Phase 2) be set to none or finite-rate.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/06-01-2025-1736199182-mceclip0.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-403798","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/403798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/403798\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=403798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}