{"id":285635,"date":"2023-05-25T06:18:53","date_gmt":"2023-05-25T06:18:53","guid":{"rendered":"\/forum\/forums\/reply\/285635\/"},"modified":"2023-05-25T06:18:53","modified_gmt":"2023-05-25T06:18:53","slug":"285635","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/285635\/","title":{"rendered":"Reply To: The problem Preprocessors    has not converged."},"content":{"rendered":"<p>&lt;p&gt;Hellor Parshanth,&lt;\/p&gt;&lt;p&gt;I fixed the problem, thanks for asking though.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I have a different question:&lt;\/p&gt;&lt;p&gt;I am trying to simulate the flow of a polymer melt inside an extruder and I need to impose a certain pressure on the outflow (roughly 60 bar). There doesn&#8217;t seem to be an option to impose a pressure on the outlfow. How would you suggest I fix this problem. Will Polyflow automatically calculate the pressures in the extruder up to the inflow? I am using an imposed volumetric flow rate, so there shouldn&#8217;t be any reversal of the flow.&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I don&#8217;t expect you to give me the solution, but maybe enlighten me on how to approach this whole problem.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Thanks in advance&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-285635","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hellor Parshanth,I fixed the problem, thanks for asking though. I have a different question:I am trying to simulate the flow of a polymer melt inside an extruder and I need to impose a certain pressure on the outflow (roughly 60 bar). There doesn&#039;t seem to be an option to impose a pressure on the outlfow. 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