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[FAQ]

It is possible to perform the comparison in CFD-Post by using a frozen variable from the first res file, as follows: 1. Open your first res file in CFD-Post 2. Pick the Variables tab 3. Click on the “Create New Object” icon and provide a suitable name for the variable you want to keep. Select OK 4. On the form select “Frozen Copy” for the Method 5. Select the required gradient in the Copy From box (you will have to use the “…” to the right-hand side 6. Repeat 3.-5. as necessary. 7. Load in your second res file. On the Variables tab you will see that your created variables have been retained 8. You can now create new variables, the values of which are the differences between the components of pressure gradient in the new file and those saved as frozen copies from the old file. 9. Plot your new variables created in 8. to see the differences.