{"id":364268,"date":"2024-04-25T15:36:19","date_gmt":"2024-04-25T15:36:19","guid":{"rendered":"\/forum\/forums\/reply\/364268\/"},"modified":"2024-04-25T15:36:19","modified_gmt":"2024-04-25T15:36:19","slug":"364268","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/364268\/","title":{"rendered":"Reply To: The choice of boundary conditions"},"content":{"rendered":"<p>&lt;p&gt;I would like to prepare a numerical model that would reliably reflect the experimental data. Which means:&lt;br&gt;1) impose boundary conditions as pressure-inlet and pressure-outlet, validate using experimental data: velocity time profile and deformations,&lt;br&gt;or:&lt;\/p&gt;&lt;p&gt;2) impose boundary conditions as velocity-inlet and pressure-outlet, validate using experimental data: inlet pressure profile and deformations.&lt;\/p&gt;&lt;p&gt;The solid material properties are tuned, using FEM-only analysis.&lt;\/p&gt;&lt;p&gt;In the case 1) I receive the proper pressures at walls and proper deformations, but completely different velocities at the inlet.&lt;\/p&gt;&lt;p&gt;In the case 2) I receive too low pressure at walls (and at the inlet) and therefore too small deformations. But velocities are proper, due to the imposet inlet-velocity BC.&lt;\/p&gt;&lt;p&gt;I think that model 1) is better, but I am looking for the setting which will lead to the solution of all variables coincide with the experiment, i.e. including velocities.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-364268","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/364268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/364268\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=364268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}