DynamisLab/configs/config_lbm_karman_2000x600_re60.json
Frank14f 5f061bec06 feat(train): cross-Re transfer pipeline — re60/re200/re400 calibrations + script
- Add crossre_transfer.sh: calibrate → transfer-train for re60→re200→re400
- Add re60 config (ν=0.006667, SI=800, uniform+free-slip, very weak shedding)
- Calibrate re60, re200, re400: FORCE_SCALE, SENS_SCALE, dtw_norm_scale, SIM_BP
- Fix all paths: use DynamisLab submodule CelerisLab, remove external ~/CelerisLab
- Remove _clean_cache() from envs/calibrate — CelerisLab handles internally
- Move V4 backups to old/: env_karman_2000x600, train_karman_2000x600, etc.
- train_karman.py: save model + vecnormalize every episode (non-optional)
- Update TRAIN_KNOWLEDGE.md: file structure, calibration table, cross-re guide
- All 3 Re verified: 5-episode transfer test passed (re60: 0.64, re200: 0.43, re400: 0.49)

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-03 00:21:49 +08:00

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{
"_doc": "Karman Cloak Re60: uniform inlet, free-slip walls, 2000x600 grid. nu = U0*2D/60 = 0.006667.",
"grid": {
"lattice_model": "D2Q9",
"nx": 2000,
"ny": 600,
"nz": 1
},
"physics": {
"data_type": "FP32",
"viscosity": 0.006667,
"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": "uniform",
"scheme": "regularized",
"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": "free_slip",
"omega_guard": {
"min": 0.01,
"max": 1.99
}
},
"cuda": {
"threads_per_block": 256,
"compute_capability": "auto"
}
}