{ "generate_dataset_py": { "num_spatial_dims": 2, "pde": "AllenCahn", "ic": "RandomTruncatedFourierSeries", "bc": "None", "x_domain_extent": 2.5, "num_points": 128, "dt_save": 0.0001, "t_end": 300.0, "save_freq": 100, "simulations": 10, "plotted_sim": 3, "plot_sim": "True", "stats": "True", "seed": 42, "nu": [0.01, 0.02], "c1": 1.0, "c3": -1.0, "pde_cmaps": { "AllenCahn": "RdBu" } }, "generation_details": { "library": "Exponax", "library_url": "https://github.com/Ceyron/exponax/tree/main/exponax", "spatial_method": "Fourier pseudo-spectral method", "dealiasing": "1/2-rule", "time_integration": "Exponential time-differencing", "variant": "ETDRK2 (second-order Runge-Kutta)" }, "stepper_py": { "cutoff": 10, "include_init": true, "scale": 0.5 }, "exponax_stepper": { "first_order_coefficient": -1.0, "third_order_coefficient": 1.0, "dealiasing_fraction": 0.5, "order": 2 }, "exponax_ic": { "description": "This dataset uses the RandomTruncatedFourierSeries class to generate initial conditions.", "amplitude_range": [0.0, 1.0], "angle_range": [0.0, 6.283185307179586], "offset_range": [0.0, 0.0], "std_one": true, "max_one": false, "method": "Initial condition generated by sampling complex Fourier coefficients with random amplitude and phase, truncated using a low-pass filter. A small real offset is added to the zero mode." }, "2d_animations": { "mode": "physical", "duration_sec": 10, "fps": 20, "dt_output": 1.0 }, "dataset_global_statistics": { "channel_0": { "mean": -0.000911, "std": 1.443809, "min": -7.712518, "max": 6.802481 } }, "generation_metadata": { "generation_time": "10.61 seconds", "dataset_shape": [20, 1, 4, 128, 128] } }