I created a new simulation project called 'Blade Dynamics':
Blade ting check analysis
More of my public projects can be found here.
Hi, @oran nice project
Since you are simulating transient flow that is why its taking too much time to complete. One recommendation is, if your application does not require transient simulation, try steady state simulation will take less time. Also try to reduce the mesh size if you want to simulate transient flow. If you have any question, feel free to contact. Have a nice day
Cheers 
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Thanks @AsadAli for the suggestions, your help is much appreciated.
Are there any tutorials demonstrating how to create a varying mesh (like with the waterfall tutorial), where a fine mesh is utilised for the areas near the water? I read through the waterfall tutorial and it was very helpful for the simulation method, however it does not say how to create the mesh in this way.
Much appreciated
Hey @oran yes the areas where the flow changes rapidly, or have more impact can be refined further. For that you need to add mesh refinements over these areas. There are several mesh refinements in “snappyHexMesh”, you can add them according to your requirement. For general idea you can look into this tutorial. For the waterfall case, there is a region refinement which is basically you define a region inside you domain as
you can make box, sphere or cylinder in the region which requires more refinement. Then this region can be refined by adding “Region refinement”. Keep the settings for the refinement according to your requirement. You can add as much refinement as you want but again it will increase the overall mesh size. Good practice is to keep the base mesh relatively coarse and then refine the selected areas. If you need any further assistance, feel free to ask. Have fun
