{"id":37987,"date":"2019-09-28T04:59:39","date_gmt":"2019-09-28T04:59:39","guid":{"rendered":"\/forum\/forums\/topic\/arclength-method-does-not-gives-converged-solution-in-buckling-analysis\/"},"modified":"2024-05-08T09:22:52","modified_gmt":"2024-05-08T09:22:52","slug":"arclength-method-does-not-gives-converged-solution-in-buckling-analysis","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/arclength-method-does-not-gives-converged-solution-in-buckling-analysis\/","title":{"rendered":"Arclength method does not gives converged solution in buckling analysis"},"content":{"rendered":"<p>Hello all!<\/p>\n<p><\/p>\n<p>I am doing nonlinear buckling analysis in an dome structure. Many of the expertises suggested Arclength method is best method for nonlinear buckling analysis. I used Arclength method for my analysis with material nonlinearity and geometric imperfection. Anyway I have get a converged solution for structure with high geometric imperfection(<strong>More than 10%<\/strong>). If I use very small amount of geometric imperfection <strong>(like 0.5,1and 2 percen<\/strong>t), It does not converged to a solution. I have tried with maximum number of substeps, still not converging.<\/p>\n<p><\/p>\n<p>Also raised many times this problem in this community but no one respond.<\/p>\n<p><\/p>\n<p>I have attached my file of 0.1% geometric imperfection with this. Please give some suggestion to solve it.<\/p>\n<p><\/p>\n<p>Thanking you<\/p>\n<p><\/p>\n<p>Venugopal B<\/p>\n","protected":false},"template":"","class_list":["post-37987","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=\"Hello all! I am doing nonlinear buckling analysis in an dome structure. 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I am doing nonlinear buckling analysis in an dome structure. Many of the expertises suggested Arclength method is best method for nonlinear buckling analysis. I used Arclength method for my analysis with material nonlinearity and geometric imperfection. Anyway I have get a converged solution for structure with high geometric imperfection(More than 10%). 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