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---
license: cc-by-nc-4.0
---
# Short Description
Based on the compressible Euler equations with gravitation, this dataset contains trajectories of the Rayleigh-Taylor problem, see https://arxiv.org/abs/2405.19101.
It also contains a passive tracer that is carried by the flow.
# Dimensions
The assembled NetCDF file has a **single** variable called *solution* with dimensionality
- 1260 (number of trajectories)
- 11 (time steps)
- 6 (density, horizontal velocity, vertical velocity, pressure, passive tracer, gravitational potential)
- 128 (x-dim)
- 128 (y-dim)
It was simulated on the unit square up to T=5 and saved as uniformly spaced in space and time.
# Train/Val/Test-split
1030/100/130 trajectories
# Download & Assembly
The dataset can be downloaded, e.g., via `huggingface-cli download`.
After download, the chunked data can be assembled into a single NetCDF file using the provided `assemble_data.py` script.
Use it as follows:
```bash
python assemble_data.py --input_dir . --output_file GCE-RT.nc
``` |