{"id":453580,"date":"2026-03-02T16:40:51","date_gmt":"2026-03-02T16:40:51","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fsi-analysis-s-ale-method\/"},"modified":"2026-03-02T16:40:51","modified_gmt":"2026-03-02T16:40:51","slug":"fsi-analysis-s-ale-method","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fsi-analysis-s-ale-method\/","title":{"rendered":"FSI analysis S-ALE method"},"content":{"rendered":"<p>&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Hello,&lt;\/p&gt;&lt;p&gt;I&#8217;m trying to create a FSI model to simulate an impacto of a shell element on the water using the S-ALE formulation.&lt;\/p&gt;&lt;p&gt;I&#8217;ve definied all the keywords necessary for the model but running the analysis i get this error.&lt;\/p&gt;&lt;p&gt;I&#8217;ve used shell elements with elastic material and mat null for the water&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/03\/02-03-2026-1772469457-Screenshot 2026-03-02 173252.png\" alt=\"\" width=\"666\" height=\"495\" \/><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2026\/03\/02-03-2026-1772469488-Screenshot 2026-03-02 173349.png\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-453580","topic","type-topic","status-publish","hentry","topic-tag-fsi","topic-tag-sale-2"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello,I&#039;m trying to create a FSI model to simulate an impacto of a shell element on the water using the S-ALE formulation.I&#039;ve definied all the keywords necessary for the model but running the analysis i get this error.I&#039;ve used shell elements with elastic material and mat null for the water\" \/>\n\t<meta name=\"robots\" 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