{"id":364208,"date":"2024-04-25T13:08:04","date_gmt":"2024-04-25T13:08:04","guid":{"rendered":"\/forum\/forums\/reply\/364208\/"},"modified":"2024-04-25T13:08:04","modified_gmt":"2024-04-25T13:08:04","slug":"364208","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/","title":{"rendered":"Reply To: (Rolling) Sheet thickness after rolling doesn&#8217;t match the roller&#8217;s gap"},"content":{"rendered":"<p>&lt;p&gt;Thank you for taking the time to reply.&lt;br&gt;&lt;br&gt;Only sheet are yielding, both roller doesn&#8217;t have plastic strain.&lt;br&gt;Sheet only have frictionless support.&lt;br&gt;<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049407-mceclip4.png\" \/>&lt;br&gt;After switch contact and target, should I make roll&#8217;s mesh smaller than sheet? (since contact should have smaller mesh than target)&lt;br&gt;When I use augmented lagrange, I always get an error, since like I don&#8217;t know how how to set a correct stiffness factor. (I use 10 in work roll to sheet, 1 in back roll to work roll, also set 0.01 penetration tolerance)&nbsp;&lt;br&gt;The reason I use back roll is my project is to obverse how different shape of backroll affect sheet&#8217;s surface shape. (Can&#8217;t get rid of back roll)&lt;br&gt;&lt;br&gt;If I have two contact setting like work roll, back roll and sheet. Is my setting correct?&lt;br&gt;<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049317-mceclip2.png\" \/>&lt;br&gt;<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049334-mceclip3.png\" \/>&lt;br&gt;Joint tolerance default value is 1e-7, I think is already small ,it should not chatting so much or I just misunderstood the value?&lt;br&gt;&lt;br&gt;After trying mesh solution, changing contact and target side, turn off trim contact and small sliding and I add a 0.05 stabilization damping factor.&lt;br&gt;Here is the result (I make mesh bigger to speed up the process)&lt;br&gt;The side of sheet&#8217;s deformation looks more consistent, which I think is good, but the y deformation still remain the same.&lt;br&gt;<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714048613-mceclip0.png\" \/>&lt;br&gt;Mesh penetration (contact tool shows no penetration or very small like 0.0003 max, is this just graphic problem?)&lt;br&gt;You can see rolls mesh penetrate the sheet a little.&lt;br&gt;<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714050438-Desktop2024.04.25-20.59.19.01-ezgif.com-video-to-gif-converter.gif\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-364208","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 for taking the time to reply.Only sheet are yielding, both roller doesn&#039;t have plastic strain.Sheet only have frictionless support.After switch contact and target, should I make roll&#039;s mesh smaller than sheet? (since contact should have smaller mesh than target)When I use augmented lagrange, I always get an error, since like I don&#039;t know\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/\" \/>\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: (Rolling) Sheet thickness after rolling doesn\u2019t match the roller\u2019s gap | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Thank you for taking the time to reply.Only sheet are yielding, both roller doesn&#039;t have plastic strain.Sheet only have frictionless support.After switch contact and target, should I make roll&#039;s mesh smaller than sheet? (since contact should have smaller mesh than target)When I use augmented lagrange, I always get an error, since like I don&#039;t know\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049407-mceclip4.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049407-mceclip4.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-04-25T13:08:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-04-25T13:08:04+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: (Rolling) Sheet thickness after rolling doesn\u2019t match the roller\u2019s gap | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Thank you for taking the time to reply.Only sheet are yielding, both roller doesn&#039;t have plastic strain.Sheet only have frictionless support.After switch contact and target, should I make roll&#039;s mesh smaller than sheet? (since contact should have smaller mesh than target)When I use augmented lagrange, I always get an error, since like I don&#039;t know\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049407-mceclip4.png\" \/>\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\\\/364208\\\/#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\\\/364208\\\/#listItem\",\"name\":\"Reply To: (Rolling) Sheet thickness after rolling doesn&#8217;t match the roller&#8217;s gap\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/364208\\\/#listItem\",\"position\":2,\"name\":\"Reply To: (Rolling) Sheet thickness after rolling doesn&#8217;t match the roller&#8217;s gap\",\"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\\\/364208\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/364208\\\/\",\"name\":\"Reply To: (Rolling) Sheet thickness after rolling doesn\\u2019t match the roller\\u2019s gap | Ansys Learning Forum\",\"description\":\"Thank you for taking the time to reply.Only sheet are yielding, both roller doesn't have plastic strain.Sheet only have frictionless support.After switch contact and target, should I make roll's mesh smaller than sheet? (since contact should have smaller mesh than target)When I use augmented lagrange, I always get an error, since like I don't know\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/364208\\\/#breadcrumblist\"},\"datePublished\":\"2024-04-25T13:08:04+00:00\",\"dateModified\":\"2024-04-25T13:08:04+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: (Rolling) Sheet thickness after rolling doesn\u2019t match the roller\u2019s gap | Ansys Learning Forum","description":"Thank you for taking the time to reply.Only sheet are yielding, both roller doesn't have plastic strain.Sheet only have frictionless support.After switch contact and target, should I make roll's mesh smaller than sheet? (since contact should have smaller mesh than target)When I use augmented lagrange, I always get an error, since like I don't know","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/#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\/364208\/#listItem","name":"Reply To: (Rolling) Sheet thickness after rolling doesn&#8217;t match the roller&#8217;s gap"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/#listItem","position":2,"name":"Reply To: (Rolling) Sheet thickness after rolling doesn&#8217;t match the roller&#8217;s gap","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\/364208\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/","name":"Reply To: (Rolling) Sheet thickness after rolling doesn\u2019t match the roller\u2019s gap | Ansys Learning Forum","description":"Thank you for taking the time to reply.Only sheet are yielding, both roller doesn't have plastic strain.Sheet only have frictionless support.After switch contact and target, should I make roll's mesh smaller than sheet? (since contact should have smaller mesh than target)When I use augmented lagrange, I always get an error, since like I don't know","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/#breadcrumblist"},"datePublished":"2024-04-25T13:08:04+00:00","dateModified":"2024-04-25T13:08:04+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: (Rolling) Sheet thickness after rolling doesn\u2019t match the roller\u2019s gap | Ansys Learning Forum","og:description":"Thank you for taking the time to reply.Only sheet are yielding, both roller doesn't have plastic strain.Sheet only have frictionless support.After switch contact and target, should I make roll's mesh smaller than sheet? (since contact should have smaller mesh than target)When I use augmented lagrange, I always get an error, since like I don't know","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049407-mceclip4.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049407-mceclip4.png","article:published_time":"2024-04-25T13:08:04+00:00","article:modified_time":"2024-04-25T13:08:04+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: (Rolling) Sheet thickness after rolling doesn\u2019t match the roller\u2019s gap | Ansys Learning Forum","twitter:description":"Thank you for taking the time to reply.Only sheet are yielding, both roller doesn't have plastic strain.Sheet only have frictionless support.After switch contact and target, should I make roll's mesh smaller than sheet? (since contact should have smaller mesh than target)When I use augmented lagrange, I always get an error, since like I don't know","twitter:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/25-04-2024-1714049407-mceclip4.png"},"aioseo_meta_data":{"post_id":"364208","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"content","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":true,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2024-10-28 16:45:09","updated":"2026-09-22 11:25:49","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tReply To: (Rolling) Sheet thickness after rolling doesn\u2019t match the roller\u2019s gap\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: (Rolling) Sheet thickness after rolling doesn&#8217;t match the roller&#8217;s gap","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364208\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/364208","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\/364208\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=364208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}