I recommend using the ANSYS Workbench and use the ICEM-CFD or the meshing of the same ANSYS Fluent package. It's so good and efficient and can modify easily.

Good luck

I recommend using the ANSYS Workbench and use the ICEM-CFD or the meshing of the same ANSYS Fluent package. It's so good and efficient and can modify easily.

Good luck

If you are using GAMBIT, divide that cylinder as per your requirement of mesh generation, then it will be easy to map the mesh the mesh over the edges....

@Ghassan Fadhil Smaisim

But it takes alot to learn these software efficiently.

@SHIVA PRASAD U

You mean I create a full cylinder and mesh it using O grid type, and then split the cylinder to a 30 degree sector?

Have you done it by yourself?

Divide sector edges and define proportionate edge sizing on straight and curved edges. It will solve the problem. 

@Ankit Dave

I think you have used unstructured mesh. But what if I want to use structured mesh?

The following link can help you:

http://www.strand7.com/webnotes/serve/?w=ST7-1.50.20.8&origin=direct

regards

Audai

If one of the edges of the cone is a wall, then you will also need to capture the boundary layer. I don't think that Gambit is the right mesher for this. But if you have access to Pointwise, it will allow you to generate hex-dominant hybrid mesh, and you can also generate a boundary layer mesh using t-rex feature. You can, very easily, generate very high quality meshes for CFD simulations using the hybrid meshing option (I think that this feature is only available in Pointwise R18.0 and above). Nonetheless, I recommend you to use Pointwise if you need to capture boundary layer or for any complex mesh generation problems.

@Audai Hussein al-abbas 

Thanks for your help, but I can understand which part exactly you mean

@Bidur Khanal 

Thanks dear, It is a cylinder actually it is a combustion chamber.

I want to use 30 degree of the cylinder with cyclic boundary condition on the beside walls instead of full geometry.

By the way it is not a cone.

You can use the following paper which has a useful technique to draw and make a mesh for the cylindrical combustion chamber:

Al-Abbas, AH & Naser, J. 2011 “CFD Modelling of Air-Fired and Oxy-Fuel Combustion in a 100 kW Unit Firing Propane”, Proceedings of the 9th International Conference on Mechanical Engineering.

Good luck

Regards,

Audai