DX_120_WS_7_1_n.pdfVIP

Workshop 7 FLUENT Optimization FLUENT-DesignXplorer in ANSYS WB 12 WS7-1 ANSYS, Inc. Proprietary ? 2009 ANSYS, Inc. All rights reserved. May 28, 2009 Inventory #002670 Training ManualMixing Vessel Inlet HotInlet Cold T= 400 K Operating Limit of U = 1.5 m/s to 3.5 m/s T= 300 K U = 0.5 m/s to 1.5 m/s Pressure Out Objective: Optimize the inlet velocities within their operating limits so that the temperature spread at the outlet is minimum (ensuring good mixing) and the pressure drop in the vessel (from one of the inlets to the outlet is also minimum). WS7-2 ANSYS, Inc. Proprietary ? 2009 ANSYS, Inc. All rights reserved. May 28, 2009 Inventory #002670 Training ManualFlow in a Mixing Vessel WS7-3 ANSYS, Inc. Proprietary ? 2009 ANSYS, Inc. All rights reserved. May 28, 2009 Inventory #002670 Training ManualProblem Setup in WB-12 ? Start ANSYS Workbench 12. ? Insert a FLUENT A l i S t ina ys s ys em n the Schematic. ? Right Click on “Geometry”, select “Import Geometry” then browse… and select the file “GeomDX.agdb” ? Right Click on Mesh and select “Edit”. ? WB Mesher starts in a separate Window and the model is ready for meshing. WS7-4 ANSYS, Inc. Proprietary ? 2009 ANSYS, Inc. All rights reserved. May 28, 2009 Inventory #002670 Training ManualMeshing and Boundary Names ? Create three Named Selections: i l th t? n e o ?inletcold ?pressure outlet ? Mesh Method: Automatic ? Mesh Details ? Physics Preference: CFD ? Solver Preference: Fluent ? Relevance : 0 Generate Mesh WS7-5 ANSYS, Inc. Proprietary ? 2009 ANSYS, Inc. All rights reserved. May 28, 2009 Inventory #002670 Training ManualSave The Project ? On the Project page, Right Click on Mesh Update ? Go to the Project page ? FileSave As “ mixing.wbpj” ? Go back to the Meshing Module and close it via “FileClose Meshing” WS7-6 ANSYS, Inc. Proprietary ? 2009 ANSYS, Inc. All rights reserved. May 28, 2009 Inventory #002670 Training ManualSetup Run in FLUENT ? Right Click on Setup and click “Edit” to