اوپن فوم - 116371

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شرح پروژه

سلام وقتتون به خیر

شما اپن فوم کار کردین؟

In the course of a so-called hybrid modeling, you will investigate the flow around a test body. In
doing
so, you will combine numerical model investigations based on so-called CFD methods with
laboratory
tests from the Maritimes Technikum. You were assigned to the halfcylinder case, which is based
on
the 4th Case of the examples.
• Your individual experimental set-up was determined in the group for the homework.
Essential is/are the
- Type of geometry
- dimensions of the experimental body
- the position in the experimental flume
- dimensions of the experimental flume as an investigation area
- the flow rate at the inflow patch
- the water level at the outflow patch
• Create a CAD geometry using the FreeCAD tool.
• Create a calculation grid with the necessary grid refinements in the engineering sense (in
the near field of the water surface, in the near field of the wall boundary layers, etc.).
• Select the appropriate boundary conditions at all closed and open model boundaries.
• Start the CFD solver OpenFOAM.
• Perform a detailed post-processing with the visualization tool Paraview. Visualize ...
- the CAD geometry
- the complete grid
- the special details of the grid generation near the wall, in the boundary layer
- the time series of the position of the isosurfaces of the water level
- the streamlines in selected horizontal and/or vertical sections
1/2• Write a scientific report.
- 10-12 pages
- maximum 50% (5 pages) completely filled with pictures, tables, time series
- written in Calibri 12, one and a half lines
• Summarize the hybrid model investigation of your experimental body and explain in this
context:
- briefly and in your own words, on which conservation equations the CFD
investigation is based.
- Why the investigation of turbulence in the numerical model as well as in
the laboratory model should be treated with such caution.
- Explain the conceptual approach of the model including the
- CAD geometry
- Model grid and its local refinement
- boundary conditions
- Document and discuss the results based on ...
- the dynamics of the water surface in the vicinity of the study body
- the streamlines
- a comparison with the quasi-stationary water level course measured in the flum

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