{"id":392680,"date":"2024-11-04T20:23:33","date_gmt":"2024-11-04T20:23:33","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/392680\/"},"modified":"2024-11-04T20:23:51","modified_gmt":"2024-11-04T20:23:51","slug":"392680","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/392680\/","title":{"rendered":"Reply To: Mathematical model generation stuck at 10%"},"content":{"rendered":"<p>&lt;p&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Hi,&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Thanks for the info. &lt;\/span&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;The message indicates that LS-DYNA is unable to allocate enough memory for the mentioned array either due to a shortage of available memory or improper allocation settings. Please check out the following possible solutions to &lt;\/span&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;address this error:&lt;\/span&gt;&lt;\/p&gt;<\/p>\n<ol>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;<strong>Increase Memory Allocation<\/strong>:&lt;\/span&gt;&lt;\/p&gt;<\/p>\n<ul>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Adjust the memory in the LS-DYNA input deck to ensure that sufficient memory is available for allocation. For further information, please check out the *keword section in the LS-DYNA User Manual Vol. 1 (<a href=\"https:\/\/lsdyna.ansys.com\/manuals\/\">LSDYNA Manuals<\/a>).&lt;\/span&gt;<\/li>\n<\/ul>\n<\/li>\n<p>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;<strong>Optimize Model Size and Complexity<\/strong>:&lt;\/span&gt;&lt;\/p&gt;<\/p>\n<ul>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Simplify the model if possible by reducing the number of elements, contacts, or parts that may be contributing to excessive memory usage.&lt;\/span&gt;<\/li>\n<\/ul>\n<\/li>\n<p>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;<strong>Check Available System Memory<\/strong>:&lt;\/span&gt;&lt;\/p&gt;<\/p>\n<ul>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Ensure that your system has enough RAM to support the model&#8217;s requirements. LS-DYNA will try to allocate memory based on the model setup, and if your system&rsquo;s physical memory is limited, it could lead to this error.&lt;\/span&gt;<\/li>\n<p>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;If running on a cluster or HPC system, verify with the cluster settings or administrators that enough memory is allocated per core or job.&lt;\/span&gt;<\/li>\n<\/ul>\n<\/li>\n<p>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;<strong>Run a Test with a Smaller Model<\/strong>:&lt;\/span&gt;&lt;\/p&gt;<\/p>\n<ul>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Try running a smaller version of your model (e.g., with fewer elements or a shorter simulation time) to confirm that the memory allocation is working correctly. This can help identify if the issue is purely memory-related or possibly due to model complexity.&lt;\/span&gt;<\/li>\n<\/ul>\n<\/li>\n<p>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;<strong>Review Version-Specific Issues<\/strong>:&lt;\/span&gt;&lt;\/p&gt;<\/p>\n<ul>&lt;li style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Older versions of LS-DYNA may have bugs or limitations related to memory allocation. You can try using the latest version.&lt;\/span&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;I hope this information helps you resolve the issue.&lt;\/span&gt;<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>&lt;p style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Thanks,&lt;\/span&gt;&lt;\/p&gt;&lt;p style=&#8221;font-size: 12pt;&#8221;&gt;&lt;span style=&#8221;font-size: 12pt;&#8221;&gt;Pedram&lt;\/span&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-392680","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/392680","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/392680\/revisions"}],"predecessor-version":[{"id":392681,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/392680\/revisions\/392681"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=392680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}