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- ---
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- license: cc-by-4.0
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- ---
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-
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- # BEAR-CFD-Dataset
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-
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- This dataset is released with paper **Data-driven operator learning for energy-efficient and indoor air quality-aware building ventilation control**.
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-
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- Author: Yuexin Bian, Yuanyuan Shi
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-
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- The data was generated using **ANSYS FLUENT 2023R2** and includes both steady-state and transient flow simulations. It is designed to support research in scientific machine learning, particularly in learning neural operators and data-driven PDE solvers.
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-
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- This dataset is released for research purposes only. Please cite the authors if used in published work.
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-
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-
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- ## 🧪 Dataset Description
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-
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- ### Steady-State Simulations
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- - **10 distinct cases** were simulated, each with unique boundary conditions.
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- - Each simulation converges to a time-independent solution.
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- - These cases represent equilibrium airflow behavior under varying physical setups.
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-
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- ### Transient Simulations
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- - **300 cases**, each initialized from a corresponding steady-state solution.
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- - Each simulation spans **30 minutes** of physical time.
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- - Simulations use a **time step size of 10 seconds** and output results every 30 seconds.
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- - This results in **60 time steps per case**, capturing unsteady, time-varying airflow dynamics under changing boundary conditions.
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-
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- Transient simulation data is used to train neural operators for modeling the evolution of fluid dynamics in time.
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-
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- ## 📂 Dataset Structure
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-
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- The dataset repository contains the following subfolders:
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-
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- ├── raw_data/
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- # Transient simulation results in pickle format
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- ├── processed_data/ # Processed datasets split into train/test sets
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- ├── models/ # Trained neural operator models
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- ├── steady_case_data/ # Original ANSYS steady-state result files
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-
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-
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- - **Pickle Files (`.pkl`)**: Each transient simulation case is stored as a pickle file for convenient loading in Python.
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- - **ANSYS Data**: The steady-state simulation results are in native ANSYS formats (e.g., `.cas.h5`, `.dat.h5`).
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-
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- ## 📚 Use Cases
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-
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- - Training neural operators to learn the temporal dynamics of fluid flow.
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- - Studying how steady-state solutions influence transient behavior.
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- - Benchmarking data-driven PDE solvers and physics-informed machine learning models.
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-
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- ## 📥 Loading Example
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-
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- ```python
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- import pickle
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-
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- with open("raw_data/unsteady_10.pkl", "rb") as f:
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- data = pickle.load(f)
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-
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- import ansys.fluent.core as pyfluent
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-
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- solver = pyfluent.launch_fluent(mode="solver", precision="double",processor_count=6)
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- solver.file.read_case_data(file_name='steady_case_data/steady_seed0.cas.h5')
 
 
 
 
 
 
 
 
 
 
 
 
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  solver.settings.file.read_data(file_name = "steady_case_data/steady_seed0.dat.h5")
 
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+ ---
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+ license: cc-by-4.0
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+ ---
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+
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+ # BEAR-CFD-Dataset
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+
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+ This dataset is released with paper **Data-driven operator learning for energy-efficient and indoor air quality-aware building ventilation control**.
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+
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+
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+ The data was generated using **ANSYS FLUENT 2023R2** and includes both steady-state and transient flow simulations. It is designed to support research in scientific machine learning, particularly in learning neural operators and data-driven PDE solvers.
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+ This dataset is released for research purposes only. Please cite the authors if used in published work.
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+
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+ ### 📚 BibTeX
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+ ```bibtex
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+ @article{bian2025data,
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+ title={Data-driven operator learning for energy-efficient building control},
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+ author={Bian, Yuexin and Shi, Yuanyuan},
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+ journal={arXiv preprint arXiv:2504.21243},
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+ year={2025}
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+ }
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+ ```
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+
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+ ## 💻 Code Repository
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+
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+ All code used for data generation, preprocessing, and baseline models is available on GitHub:
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+ [🔗 GitHub Repository](https://github.com/alwaysbyx/BuildingControlCFD)
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+
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+ ## 🧪 Dataset Description
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+
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+ ### Steady-State Simulations
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+ - **10 distinct cases** were simulated, each with unique boundary conditions.
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+ - Each simulation converges to a time-independent solution.
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+ - These cases represent equilibrium airflow behavior under varying physical setups.
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+
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+ ### Transient Simulations
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+ - **300 cases**, each initialized from a corresponding steady-state solution.
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+ - Each simulation spans **30 minutes** of physical time.
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+ - Simulations use a **time step size of 10 seconds** and output results every 30 seconds.
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+ - This results in **60 time steps per case**, capturing unsteady, time-varying airflow dynamics under changing boundary conditions.
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+
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+ Transient simulation data is used to train neural operators for modeling the evolution of fluid dynamics in time.
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+
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+ ## 📂 Dataset Structure
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+
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+ The dataset repository contains the following subfolders:
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+
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+ ├── raw_data/
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+ # Transient simulation results in pickle format
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+ ├── processed_data/ # Processed datasets split into train/test sets
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+ ├── models/ # Trained neural operator models
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+ ├── steady_case_data/ # Original ANSYS steady-state result files
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+
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+
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+ - **Pickle Files (`.pkl`)**: Each transient simulation case is stored as a pickle file for convenient loading in Python.
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+ - **ANSYS Data**: The steady-state simulation results are in native ANSYS formats (e.g., `.cas.h5`, `.dat.h5`).
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+
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+ ## 📚 Use Cases
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+
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+ - Training neural operators to learn the temporal dynamics of fluid flow.
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+ - Studying how steady-state solutions influence transient behavior.
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+ - Benchmarking data-driven PDE solvers and physics-informed machine learning models.
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+
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+ ## 📥 Loading Example
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+
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+ ```python
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+ import pickle
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+
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+ with open("raw_data/unsteady_10.pkl", "rb") as f:
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+ data = pickle.load(f)
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+
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+ import ansys.fluent.core as pyfluent
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+
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+ solver = pyfluent.launch_fluent(mode="solver", precision="double",processor_count=6)
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+ solver.file.read_case_data(file_name='steady_case_data/steady_seed0.cas.h5')
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  solver.settings.file.read_data(file_name = "steady_case_data/steady_seed0.dat.h5")