{"id":293237,"date":"2023-07-16T03:32:36","date_gmt":"2023-07-16T03:32:36","guid":{"rendered":"\/forum\/forums\/topic\/help-with-expression\/"},"modified":"2023-07-17T14:06:36","modified_gmt":"2023-07-17T14:06:36","slug":"help-with-expression","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-with-expression\/","title":{"rendered":"Help with expression"},"content":{"rendered":"<p>I keep getting an error with the following expression for shear stress. I need to get sqrt(x) but only for the positive values (x&gt;0). Can someone please help me?&nbsp;<br \/><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/16-07-2023-1689478290-IMG_0029.jpeg\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-293237","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=\"I keep getting an error with the following expression for shear stress. I need to get sqrt(x) but only for the positive values (x&gt;0). 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