TAILIEUCHUNG - ANSYS CFX-Mesh Tutorials phần 10

, sau đó kích phải vào và chọn góc thay thế cho đến khi góc độ chính xác được hiển thị. Xem các mẫu vị trí nhãn góc. Cuối cùng, gõ góc 6,06 độ, vào hộp Kích thước trong Xem chi hoạt động Extrude có thể được sử dụng cho phun ra này. | Tutorial 13 Can Combustor 4. Create a Composite 2D Region called out on the rectangular face with the highest Z-coordinate. Setting up the Mesh This is a complex geometry which will be used to run a simulation with complex physics. In order to keep the computational time down for the purposes of the tutorial a very coarse mesh will be used. If you wanted to get accurate results on this geometry a much finer mesh and a much larger solution time would be required. Set the Maximum Spacing 1. Click on Default Body Spacing in the Tree View which is contained in Mesh Spacing. 2. In the Details View change Maximum Spacing to cm and press Enter on the keyboard to set this value. 3. Click on Default Face Spacing in the Tree View which is contained in Mesh Spacing. 4. In the Details View change Face Spacing Type to Volume Spacing. This stops the surface mesh from being refined where the faces are highly-curved which would add too many elements for this coarse tutorial mesh. The Volume Spacing setting simply uses the Default Body Spacing for the surface mesh spacing. Setting up Inflation It is a good idea to put inflation on the walls. 1. Click on Inflation in the Tree View. In the Details View set Number of Inflated Layers to 5. 2. Set Expansion Factor to . Leave the rest of the parameters as their default values. 3. In the Tree View right-click on Inflation and select Insert Inflated Boundary. 4. For Location select Default 2D Region from the Tree View. 5. Set Maximum Thickness to cm. Generating the Volume Mesh 1. Right-click on Mesh in the Tree View and select Generate Volume Mesh. 2. Save the GTM File as . 124 CFX-Mesh Tutorials. . IP Inc. Section 2 Mesh Generation The mesh is now complete. Note that you may get a warning about poor quality volume elements being present in the mesh. This is a result of setting up such a coarse mesh. If you wanted to get accurate results in the CFD simulation you would need to modify the mesh settings and .

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