ANSYS FLUENT Tutorial Guide

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ii. Use the default Standard from the k-epsilon Model list. iii. Select Enhanced Wall Treatment for the Near-Wall Treatment. Note The default Standard Wall Functions are generally applicable if the first cell center adjacent to the wall has a y+ larger than 30. In contrast, the Enhanced Wall Treatment option provides consistent solutions for all y+ values. Enhanced Wall Treatment is recommended when using the k-epsilon model for general single-phase fluid flow problems. For more information about Near Wall Treatments in the k-epsilon model please refer to Setting Up the k- ε Model in the User’s Guide. iv. Click OK to accept the model and close the Viscous Model dialog box. 4. Set up your materials for the CFD simulation. Materials a. Create a new material called water using the Create/Edit Materials dialog box (Figure 1.18 (p. 34)). Materials → Fluid → Create/Edit... i. Type water for Name. Release 14.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates. Setup and Solution 33
Chapter 1: Introduction to Using ANSYS FLUENT in ANSYS Workbench: Fluid Flow and Heat Transfer in a Mixing Elbow ii. Enter the following values in the Properties group box: 34 Property Density © (Specific Heat) ¨ Thermal Conductivity Viscosity Value ¡ ¢ 1000 £ 4216 ¤ ¥¦ § − � � � 0.677 − 8e-04 �� − Figure 1.18 The Create/Edit Materials Dialog Box iii. Click Change/Create. Note A Question dialog box will open, asking if you want to overwrite air. Click No so that the new material water is added to the Fluent Fluid Materials list of materials that originally contained only air. Release 14.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates.
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ANSYS FLUENT Tutorial Guide

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