ANSYS CFX 12.1 TUTORIAL PDF

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Recommend Documents. Type the value of 30 into the U velocity input box, while for the V and W cell type in zero. References 1. ANSYS, Page 1. Page 2. Better Textbooks. Lower Prices.

Download PDF Tutorial. Spaces in a directory name or path will cause an error message in CFX in addition, a hyphen cannot be used in the simulation name. Tutorial 1. Nov 19, - Download full-text PDF. By Ahmed Al Makky Step Step In the fluid and partical definitions select AI R then select from the drop down list in the. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical or photo-copying, recording, or otherwise without the prior permission of the publisher.

A mesh file is provided with this tutorial in order to focus on the combustion simulation. Sprays are encountered in lots of engineering applications from internal combustion engines to gas turbines to airconditioning systems to …. Step 2: The next step is to select the scale of study the simulation is run at which is in centimetres and then press Ok.

Step 3: The next step is to select the ready modelled mesh that represnts a fuel injector used in two stroke engines. The geomtery is provided with this tutorial which has the name spray1.

Step 4: This step is to locate the required mesh to read into the designmodeller. This is done by going to file then from the drop down list selecting Import External Geometry file. Step 5: After the file has been selected press generate. This will read the previsouly modled geometry into Design Modeler.

Step 6: The imported geometery box should look something like this. Step 6: Check that there is a green tick beside the Geometry icon.

Then double click the mesh icon. Step 7: Postion the cursor on the mesh icon and then press the left mouse button and then press the right mouse button first select insert and then select Method.

Step 8: When you click on the geometry box it will turn green the next step is to press the apply box. Step 9: After the apply button had been pressed the box should turn into a blueish purpule colour. Step After pressing the update button a window at the bottom will show you the stage at which the Mesher packedge is in the meshgeneration process. Step The generated mesh should look something like this.

This method is the automatic method. Step Check that the a green tick is shown beside the mesh icon. The next step is to double click on the setup icon.

Step Position the mouse curser on the default domain icon then press the mouse left handside button then press the mouse righthand side button and select edit. Step You would notice that by default under the Fluid and Particle Definitions the name Fluid 1, just select it and press on the red X box, this will remove the default material name. Step Press on the file star icon pointed at by the arrow. This will enable us to add a new material name into the list.

A window will open asking you to enter a name of a material, write AIR and press Ok. Step In the fluid and partical definitions select AIR then select from the drop down list in the material section Air at 25C. This is important becouse this step links the input name by the user to the thermodyanmics parameters data base in the software library.

Step The next step is to select in the fluid and particle definition WATER then from the material drop down list select Water again this is important becouse this step links the input name by the user to the thermodyanmics parameters data base in the software library. Step Once dispersed fluid is selected the user is asked input a fluid partical mean diameter.

Apply the mean droplet diameter of 0. Then press Ok. Step Go to the CFX. Then right click and select the Rename option, this action will help us in applying a name to the inflow face. Step After renaming the surface right click on the renamed region, go to Insert , then go to boundary and then under boundary select inlet.

Step Once the inlet option is selected go to boundary details and under Mass and Momentum select the Cart. In the main view look at the coordiante system shown on the bottom right hand side this will clarfiy that the directions of the selected velocities is correct. Step Type the value of 30 into the U velocity input box, while for the V and W cell type in zero. Step In the boundary conditions section go to Fluid Values and select AIR then in the volume fraction section input zero as.

Step Type into the relative pressure cell a pressure value of , this would apply atmosphric conditions to the spray domain. Step In the boundary conditions section go to Fluid Values and select AIR then in the volume fraction section input a value of 0. Then apply 0. Step The next step is to check that there is a green tick beside the setup icon then double click on solution. Step The final step is press on Start Run and the calculation should start. Step The solver should show you something like this.

You can press stop after a number of time steps then check if the required results fall into the wanted ranges. In this case I will press stop you can go back and continue the simulation from the stoped point. Step The user can see a pause and a green tick mark beside the solution icon by double clicking on the results icon the researcher can proceed to the data analysis part. Step After pressing the apply button you should see a cross sectional plane grey in color running through the domain in the xy plane.

Step Left click the cursor on the User Locatins and Plots icon, then go to insert then locations and select plane, a window will open with a plane default name of plane 1 higlighted in blue changing its name is upto the user. Step Left click the cursor on the User Locatins and Plots icon, then go to insert then from the drop down list select Contour, a window will open with a plane default name of contour 1 higlighted in blue changing its name is upto the user.

Step A new side window will open which has the details of the created plane, go to locations and chose Plane1 from the drop down list. Then go to of Contours and enter into the input cell Step The next step is to select the Water. Velocity Variable from the drop down list, then go to the Range and select from the drop down list User Specfied.

When user specfied is selected two new options are added the minimum and the maximum enter a minimum velocity value of zero and a maximum velocity value 0. Finaly press apply and what would be visibile the velocity profile of water. The user has required knowlagde now to continue on his own. Read more. Your name. Close Save changes. Remember me Forgot password? Our partners will collect data and use cookies for ad personalization and measurement.

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Tutorial to help tank sloshing modelling (CFX 12.1)

November 24, , Tutorial to help tank sloshing modelling CFX Dear Friends, I need to model tank sloshing. I want some tutorials tahat could help me on this modeling. December 6, , Hi Hamed, I dont know if there is a tutorial for this. May be I can help you with some stuff.

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Documentation for the ANSYS 13.0, 12.1 and ... - DRD Technology

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