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README.md
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The Wind Tunnel Dataset contains 19,812 OpenFOAM simulations of 1,000 unique automobile-like objects placed in a virtual wind tunnel.
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Each object is simulated under 20 distinct conditions: 4 random wind speeds ranging from 10 to 50 m/s, and 5 rotation angles
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(0°, 180° and 3 random angles).
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The meshes for these automobile-like objects were generated using the [Instant Mesh model](https://github.com/TencentARC/InstantMesh)
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on images sourced from the [Stanford Cars Dataset](https://www.kaggle.com/datasets/jessicali9530/stanford-cars-dataset).
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To ensure stable and reliable results, each simulation runs for 300 iterations.
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The entire dataset of 20,000 simulations is organized into three subsets: 70% for training, 20% for validation, and 10% for testing.
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The data generation process itself was orchestrated using the [Inductiva API](https://inductiva.ai/),
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which allowed us to run hundreds of OpenFOAM simulations in parallel on the cloud.
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and generalizable models.
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# How did we generate the
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1. Generating Input Meshes, using InstantMesh on Standord
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2. Running OpenFoam on the Input Meshes with Inductiva API.
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The code used to generate the meshes and postprocess them is available on github: [https://github.com/inductiva/datasets-generation](https://github.com/inductiva/datasets-generation).
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Each simulation in the Wind Tunnel Dataset is accompanied by several key files that provide both the input and the output data of the simulations.
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Here’s a breakdown of the files included in each simulation:
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### Sample from the dataset
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The Wind Tunnel Dataset contains 19,812 OpenFOAM simulations of 1,000 unique automobile-like objects placed in a virtual wind tunnel.
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Each object is simulated under 20 distinct conditions: 4 random wind speeds ranging from 10 to 50 m/s, and 5 rotation angles
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(0°, 180° and 3 random angles).
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The meshes for these automobile-like objects were generated using the Instant Mesh model on images sourced from the Stanford Cars Dataset.
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To ensure stable and reliable results, each simulation runs for 300 iterations.
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The entire dataset of 20,000 simulations is organized into three subsets: 70% for training, 20% for validation, and 10% for testing.
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The data generation process itself was orchestrated using the [Inductiva API](https://inductiva.ai/),
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which allowed us to run hundreds of OpenFOAM simulations in parallel on the cloud.
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and generalizable models.
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# How did we generate the dataset
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1. Generating Input Meshes, using InstantMesh on Standord Cars Dataset and postprocess the input meshes.
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2. Running OpenFoam on the Input Meshes with the Inductiva API.
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We ran OpenFoam simulations with different wind speeds and object angles on the input meshes.
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This produces an output mesh that contains all the information named `openfoam_mesh.obj`;
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4. We postprocessed the OpenFoam output to generate streamlines and pressure_map meshes.
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The code used to generate the meshes and postprocess them is available on github: [https://github.com/inductiva/datasets-generation](https://github.com/inductiva/datasets-generation).
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```
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## Dataset Files
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Each simulation in the Wind Tunnel Dataset is accompanied by several key files that provide both the input and the output data of the simulations.
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Here’s a breakdown of the files included in each simulation:
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- **[input_mesh.obj](###input_mesh.obj)**: OBJ file with the input mesh. These were generated using the InstantMesh model by the process described in section link.
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- **[openfoam_mesh.obj](###openfoam_mesh.obj)**: OBJ file with the OpenFOAM mesh. (explicar)
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- **[pressure_field_mesh.vtk](###pressure_field_mesh.vtk)**: VTK file with the pressure field data. (explicar)
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- **[streamlines_mesh.ply](streamlines_mesh.ply)**: PLY file with the streamlines. (posprocessing)
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- **[metadata.json](###metadata.json)**: JSON with metadata about the input parameters and about some output results such as the force coefficients (obtained via simulation) and the path of the output files.
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### input_mesh.obj
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### openfoam_mesh.obj
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### pressure_field_mesh.obj
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### streamlines_mesh.ply
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### metadata.obj
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### Sample from the dataset
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