{"id":289840,"date":"2023-06-21T18:48:12","date_gmt":"2023-06-21T18:48:12","guid":{"rendered":"\/forum\/forums\/topic\/severe-nozzle-deformation-ls-dyna-act-wb\/"},"modified":"2023-06-21T18:48:12","modified_gmt":"2023-06-21T18:48:12","slug":"severe-nozzle-deformation-ls-dyna-act-wb","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/severe-nozzle-deformation-ls-dyna-act-wb\/","title":{"rendered":"Severe nozzle deformation Ls-dyna ACT WB."},"content":{"rendered":"<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Hi all.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Ls-dyna ACT WB.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">I solve a simplified model of a drill with nozzles.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/21-06-2023-1687372954-mceclip1.png\"><\/span><\/span><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">The body of the drill is rigid, the nozzles are deformable bodies.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">I use content and contact snippets.<\/span><\/span><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Nozzle material:<\/span><\/span><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/21-06-2023-1687372928-mceclip0.png\"><\/span><\/span><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">I&#8217;m trying to return the drill in space along with the nozzle. The nozzle is attached to the drill with a contact:<\/span><\/span><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/21-06-2023-1687373018-mceclip2.png\"><\/span><\/span><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">But during rotation, the nozzle experiences enormous stresses and is greatly deformed. Why? It does not contact with anything, it only rotates with the drill. The rotation is set to the drill. There are no restrictions on the nozzle other than contact.<\/span><\/span><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/21-06-2023-1687373129-mceclip3.png\"><\/span><\/span><\/span><\/p>\n<p><span><strong>PS<\/strong><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Previously, I cut with a rigid body when I trimmed the cement material.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">T<\/span><\/span><\/span><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">hen I made the tip of the chisel deformable and made the same TIED contact.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">And it worked well:<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/21-06-2023-1687373264-mceclip4.png\"><\/span><\/span><\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Why does not work on a drill?<\/span><\/span><\/span><\/p>\n","protected":false},"template":"","class_list":["post-289840","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi all. 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