2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1....
Transcript of 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1....
![Page 1: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/1.jpg)
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2D CFD-Simulation Example with Fluent
1. Turbulent flow in a manifold (Pag. 2) 2. Laminar flow in a manifold (Pag. 25)
Prepared by Dr. Over DíazCESMarch 2007
![Page 2: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/2.jpg)
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Turbulent Flow in Manifold(By considering only input velocities)
![Page 3: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/3.jpg)
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1. Data
OuletFluid : waterDensity = 998.2 kg/m3Dynamic viscosity = 0.001003 kg/m.sThe flow is turbulentRe ≈ 1x106
Fig. Manifold with 4 inlet pipes and 1 outlet pipe
Inlet 1V=1m/s
Inlet 2V=1m/s
Inlet 3V=1m/s
Inlet 4V=1m/s
![Page 4: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/4.jpg)
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Manifold geometry2 m
6 m2 m
4 m
1 m 1 m
7 m
![Page 5: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/5.jpg)
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Mesh generation with Gambit
Fig. Triangular mesh created with Gambit
![Page 6: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/6.jpg)
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Define Solver and Viscous Model
![Page 7: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/7.jpg)
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Define Fluid
![Page 8: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/8.jpg)
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Define Operating Conditions
![Page 9: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/9.jpg)
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Define Boundary Conditions
![Page 10: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/10.jpg)
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![Page 11: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/11.jpg)
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![Page 12: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/12.jpg)
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![Page 13: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/13.jpg)
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![Page 14: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/14.jpg)
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![Page 15: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/15.jpg)
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![Page 16: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/16.jpg)
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Solve control solutions
![Page 17: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/17.jpg)
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Solve Solution Initialization and Residual Monitors
![Page 18: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/18.jpg)
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Solve Iteration
![Page 19: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/19.jpg)
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Convergence of solution
![Page 20: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/20.jpg)
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Display of Vectors – Velocity Magnitude
![Page 21: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/21.jpg)
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Display of Vectors – Velocity Magnitude
![Page 22: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/22.jpg)
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Display of Contours – Velocity Magnitude
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Display of Contours - Vorticity
![Page 24: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/24.jpg)
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Display of Contours – Dynamic Head
![Page 25: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/25.jpg)
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Laminar Flow in Manifold(By considering only input velocities)
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1. Data
OuletFluid : waterDensity = 998.2 kg/m3Dynamic viscosity = 0.001003 kg/m.sThe flow is laminarRe ≈ 100 ( at inlet)
Fig. Manifold with 4 inlet pipes and 1 outlet pipe
Inlet 1V=0.0001m/s
Inlet 2V=0.0001m/s
Inlet 3V=0.0001m/s
Inlet 4V=0.0001 m/s
![Page 27: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/27.jpg)
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Manifold geometry2 m
6 m2 m
4 m
1 m 1 m
7 m
![Page 28: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/28.jpg)
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Mesh generation with Gambit
Fig. Triangular mesh created with Gambit
![Page 29: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/29.jpg)
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Define Solver and Viscous Model
![Page 30: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/30.jpg)
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Define Fluid
![Page 31: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/31.jpg)
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Define Operating Conditions
![Page 32: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/32.jpg)
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Define Boundary Conditions
![Page 33: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/33.jpg)
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![Page 34: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/34.jpg)
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![Page 35: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/35.jpg)
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![Page 36: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/36.jpg)
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![Page 37: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/37.jpg)
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![Page 38: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/38.jpg)
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![Page 39: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/39.jpg)
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Solve control solutions
![Page 40: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/40.jpg)
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Solve Solution Initialization and Residual Monitors
![Page 41: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/41.jpg)
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Solve Iteration
![Page 42: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/42.jpg)
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Convergence of solution
![Page 43: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/43.jpg)
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Display of Contours – Velocity Magnitude
![Page 44: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/44.jpg)
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Display of Contours – Dynamic Head
![Page 45: 2D CFD-Simulation Example with Fluent - · PDF file2D CFD-Simulation Example with Fluent 1. ... Laminar flow in a manifold (Pag. 25) ... (By considering only input velocities) 3 1.](https://reader031.fdocuments.in/reader031/viewer/2022021818/5ab840907f8b9ac60e8c9ab7/html5/thumbnails/45.jpg)
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Display of Vectors – Velocity Magnitude