DynamisLab/configs/config_lbm_pinball.json
2026-06-09 18:46:59 +08:00

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{
"_doc": "Three rotating cylinders in confined channel (triangle layout, free-slip walls).",
"grid": {
"lattice_model": "D2Q9",
"nx": 1280,
"ny": 512,
"nz": 1
},
"physics": {
"data_type": "FP32",
"viscosity": 0.004,
"velocity": 0.01,
"rho": 1.0
},
"method": {
"collision": "MRT",
"streaming": "double_buffer",
"store_precision": "FP32",
"ddf_shifting": false,
"les": {
"enabled": false,
"cs": 0.16,
"closed_form": true
},
"trt": {
"magic_param": 0.1875
},
"inlet": {
"profile": "parabolic",
"scheme": "zou_he_local",
"trt_neq_damp": 0.5,
"regularized_neq_damp": 0.5
},
"outlet": {
"mode": "neq_extrap",
"backflow_clamp": true,
"blend_alpha": 0.7,
"srt_neq_damp": 0.5
},
"y_wall_bc": "bounce_back",
"omega_guard": {
"min": 0.01,
"max": 1.99
}
},
"cuda": {
"threads_per_block": 256,
"compute_capability": "auto"
}
}