mcfdutils

MATLAB CFD post-processing utilities
Adrien Crovato, 2020

Python utilities available here.

Features

mcfdutils can be used to:

• generate a Tecplot macro that creates slices along the span of a given wing
• read sectional pressure data from ASCII (space or comma separated values) files
• compute the sectional aerodynamic loads
• plot the data and the loads

Usage

Create a MATLAB function calling the different utilities that you need in your working directory. Examples are given under the directory examples. Run the computation by calling cfdutils('path/to/your_function'). Note that cfdutils.m must be in your MATLAB path. Possible output files will be saved in your current working directory under a workspace directory.

Known bugs

• The sign of the aerodynamic loads can be inverted depending on the points ordering

Slices creation
The slices can be created using Tecplot or Paraview. The slices extraction in Tecplot can be automated through a macro that can be generated using cfdtecslicer.m (see this example). The extraction using Paraview has not been automated in MATLAB, but python utilities can be found here. Alternatively, the slices can extracted by hand using the following procedure:

1. Load the file containing the flow solution on wing surface in Paraview
2. Create a slice
3. Apply consecutively the filters TriangleStrips, CleanToGrid, ExtractSurface and PlotData
4. Open the spreadsheet used to plot the data (e.g. by splitting the view then clicking SpreadSheetView)
5. Select the variables you want to extract using the Column visibility button, and save them using the Export spreadsheet button