{"id":368094,"date":"2024-05-22T15:21:25","date_gmt":"2024-05-22T15:21:25","guid":{"rendered":"\/forum\/forums\/topic\/fluid-structure-interaction-8\/"},"modified":"2024-05-22T15:21:25","modified_gmt":"2024-05-22T15:21:25","slug":"fluid-structure-interaction-8","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluid-structure-interaction-8\/","title":{"rendered":"fluid-structure interaction"},"content":{"rendered":"<p>I used Workbench for fluid-structure interaction, but I found that the pressure data from the Fluent always does not converge from the log file of the System Coupling, why is this? Three coupling loops are set for each time step.<\/p>\n<p>+=============================================================================+<br \/>| COUPLING STEP = 192 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; SIMULATION TIME = 0.768 [s] |<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp;Source &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Target &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; COUPLING ITERATION = 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Transient Structural &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Interface: interface-1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; Data Transfer 2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; &nbsp; RMS Change &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 4.28E-06 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;3.60E-06 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum x &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 9.11E+04 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9.11E+04 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum y &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-3.95E+01 &nbsp; &nbsp; &nbsp; &nbsp; -3.97E+01 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum z &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-1.01E+04 &nbsp; &nbsp; &nbsp; &nbsp; -1.01E+04 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Fluid Flow (Fluent) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Interface: interface-1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; Data Transfer &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; Not yet converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; &nbsp; RMS Change &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 9.17E-01 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9.29E-01 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average x &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-7.77E-09 &nbsp; &nbsp; &nbsp; &nbsp; -8.27E-09 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average y &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-1.06E-08 &nbsp; &nbsp; &nbsp; &nbsp; -1.14E-08 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average z &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 5.05E-08 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;5.24E-08 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Participant solution status &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Transient Structural &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Fluid Flow (Fluent) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; Not yet converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; COUPLING ITERATION = 2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Transient Structural &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Interface: interface-1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; Data Transfer 2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; &nbsp; RMS Change &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 5.05E-06 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;4.44E-06 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum x &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 9.11E+04 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9.11E+04 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum y &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-3.95E+01 &nbsp; &nbsp; &nbsp; &nbsp; -3.97E+01 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum z &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-1.01E+04 &nbsp; &nbsp; &nbsp; &nbsp; -1.01E+04 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Fluid Flow (Fluent) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Interface: interface-1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; Data Transfer &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; Not yet converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; &nbsp; RMS Change &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 1.25E-01 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1.28E-01 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average x &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-8.41E-09 &nbsp; &nbsp; &nbsp; &nbsp; -8.99E-09 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average y &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-1.00E-08 &nbsp; &nbsp; &nbsp; &nbsp; -1.07E-08 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average z &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 5.26E-08 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;5.49E-08 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Participant solution status &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Transient Structural &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Fluid Flow (Fluent) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; Not yet converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; COUPLING ITERATION = 3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Transient Structural &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Interface: interface-1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; Data Transfer 2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; &nbsp; RMS Change &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 4.00E-06 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;3.35E-06 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum x &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 9.11E+04 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9.11E+04 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum y &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-3.95E+01 &nbsp; &nbsp; &nbsp; &nbsp; -3.97E+01 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Sum z &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-1.01E+04 &nbsp; &nbsp; &nbsp; &nbsp; -1.01E+04 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Fluid Flow (Fluent) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Interface: interface-1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; Data Transfer &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; Not yet converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; &nbsp; &nbsp; RMS Change &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 9.79E-02 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9.84E-02 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average x &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-1.11E-08 &nbsp; &nbsp; &nbsp; &nbsp; -1.18E-08 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average y &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp;-1.06E-08 &nbsp; &nbsp; &nbsp; &nbsp; -1.13E-08 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>| &nbsp; &nbsp; &nbsp; Values Average z &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; 5.88E-08 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;6.12E-08 &nbsp; &nbsp; &nbsp; &nbsp;|<br \/>+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+<br \/>| Participant solution status &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Transient Structural &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>| &nbsp; Fluid Flow (Fluent) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp; &nbsp; &nbsp; &nbsp; Not yet converged &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; |<br \/>+=============================================================================+<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/22-05-2024-1716391222-20240522225609.png\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-368094","topic","type-topic","status-closed","hentry","topic-tag-2-way-coupled-fsi","topic-tag-systemcoupling","topic-tag-workbench"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I used Workbench for fluid-structure interaction, but I found that the pressure data from the Fluent always does not converge from the log file of the System Coupling, why is this? 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