{"id":162102,"date":"2023-01-25T07:34:17","date_gmt":"2023-01-25T07:34:17","guid":{"rendered":"\/knowledge\/forums\/topic\/why-mapdl-gives-error-element-xxxx-has-a-radius-thickness-ratio-of-xxxxxx-this-violates-assumption-of-shell-element-even-after-turning-off-shape-checking-shpp-off\/"},"modified":"2023-07-31T12:36:48","modified_gmt":"2023-07-31T12:36:48","slug":"why-mapdl-gives-error-element-xxxx-has-a-radius-thickness-ratio-of-xxxxxx-this-violates-assumption-of-shell-element-even-after-turning-off-shape-checking-shpp-off","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/why-mapdl-gives-error-element-xxxx-has-a-radius-thickness-ratio-of-xxxxxx-this-violates-assumption-of-shell-element-even-after-turning-off-shape-checking-shpp-off\/","title":{"rendered":"Why MAPDL gives error, &#8221; Element xxxx has a radius\/thickness ratio of xxxxxx. This violates assumption of shell element&#8221; even after turning off shape checking SHPP, OFF?"},"content":{"rendered":"<p>The reason of this error seems caused by very warping elements. The shell element radius to thickness ratio check is not controlled via the SHPP command. This is a message that is not part of the element shape checking logic so the SHPP command will have no effect on its behavior.   The workaround is to modify those shell elements until they meet the requirement or check the warping quality.<\/p>\n","protected":false},"template":"","class_list":["post-162102","topic","type-topic","status-publish","hentry","topic-tag-4422","topic-tag-general","topic-tag-mechanical","topic-tag-structural-mechanics"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"The reason of this error seems caused by very warping elements. 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The workaround is to\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/why-mapdl-gives-error-element-xxxx-has-a-radius-thickness-ratio-of-xxxxxx-this-violates-assumption-of-shell-element-even-after-turning-off-shape-checking-shpp-off\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-01-25T07:34:17+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:36:48+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Why MAPDL gives error, \u201d Element xxxx has a radius\/thickness ratio of xxxxxx. This violates assumption of shell element\u201d even after turning off shape checking SHPP, OFF? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The reason of this error seems caused by very warping elements. The shell element radius to thickness ratio check is not controlled via the SHPP command. This is a message that is not part of the element shape checking logic so the SHPP command will have no effect on its behavior. 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