A significant number of OpenFOAM users, approximately 50%, encounter issues when attempting to use the “fixedProfile” boundary type with CSV files. The problem arises when the software fails to read the data correctly, often resulting in warnings like “Table read from ‘u.csv’ is empty.” This issue stems from confusion over the required structure of the CSV file. Users are unsure whether to include coordinates (x, y) in their data files. The “fixedProfile” setup in the U dictionary specifies parameters like file name, format, header lines, reference column, and interpolation scheme. However, without clear guidelines on CSV file structure, users face challenges in integrating their tabulated data, which is often predicted by neural networks, into OpenFOAM simulations effectively.
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