{"id":396682,"date":"2024-12-07T23:55:10","date_gmt":"2024-12-07T23:55:10","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396682\/"},"modified":"2024-12-07T23:55:10","modified_gmt":"2024-12-07T23:55:10","slug":"396682","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396682\/","title":{"rendered":"Reply To: LS-Dyna, Negative volume problem."},"content":{"rendered":"<p>&lt;p&gt;Thank you so much for the reply. I&#8217;ve deactivated &#8220;auto mass scaling&#8221; and put &#8220;section&#8221; with hourglass coefficient 0.005. Tried to hex element but it didn&#8217;t work but I&#8217;ve got better mesh after I had simplified the geometry. With &#8220;section&#8221;, I&#8217;ve selected ALE and started to run. I&#8217;ll let you know if it runs without error. Also, I&#8217;m trying to solve the analysis with FSI. Thank you so much again for your advice.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-396682","reply","type-reply","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=\"Thank you so much for the reply. I&#039;ve deactivated &quot;auto mass scaling&quot; and put &quot;section&quot; with hourglass coefficient 0.005. Tried to hex element but it didn&#039;t work but I&#039;ve got better mesh after I had simplified the geometry. With &quot;section&quot;, I&#039;ve selected ALE and started to run. I&#039;ll let you know if it runs without\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396682\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: LS-Dyna, Negative volume problem. | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Thank you so much for the reply. I&#039;ve deactivated &quot;auto mass scaling&quot; and put &quot;section&quot; with hourglass coefficient 0.005. Tried to hex element but it didn&#039;t work but I&#039;ve got better mesh after I had simplified the geometry. With &quot;section&quot;, I&#039;ve selected ALE and started to run. I&#039;ll let you know if it runs without\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396682\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-12-07T23:55:10+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-12-07T23:55:10+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: LS-Dyna, Negative volume problem. | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Thank you so much for the reply. I&#039;ve deactivated &quot;auto mass scaling&quot; and put &quot;section&quot; with hourglass coefficient 0.005. Tried to hex element but it didn&#039;t work but I&#039;ve got better mesh after I had simplified the geometry. With &quot;section&quot;, I&#039;ve selected ALE and started to run. I&#039;ll let you know if it runs without\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/396682\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/396682\\\/#listItem\",\"name\":\"Reply To: LS-Dyna, Negative volume problem.\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/396682\\\/#listItem\",\"position\":2,\"name\":\"Reply To: LS-Dyna, Negative volume problem.\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/396682\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/396682\\\/\",\"name\":\"Reply To: LS-Dyna, Negative volume problem. | Ansys Learning Forum\",\"description\":\"Thank you so much for the reply. I've deactivated \\\"auto mass scaling\\\" and put \\\"section\\\" with hourglass coefficient 0.005. Tried to hex element but it didn't work but I've got better mesh after I had simplified the geometry. With \\\"section\\\", I've selected ALE and started to run. 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I've deactivated \"auto mass scaling\" and put \"section\" with hourglass coefficient 0.005. Tried to hex element but it didn't work but I've got better mesh after I had simplified the geometry. With \"section\", I've selected ALE and started to run. 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Tried to hex element but it didn't work but I've got better mesh after I had simplified the geometry. With &quot;section&quot;, I've selected ALE and started to run. I'll let you know if it runs without","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396682\/","article:published_time":"2024-12-07T23:55:10+00:00","article:modified_time":"2024-12-07T23:55:10+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: LS-Dyna, Negative volume problem. | Ansys Learning Forum","twitter:description":"Thank you so much for the reply. I've deactivated &quot;auto mass scaling&quot; and put &quot;section&quot; with hourglass coefficient 0.005. Tried to hex element but it didn't work but I've got better mesh after I had simplified the geometry. With &quot;section&quot;, I've selected ALE and started to run. 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