ball opsignal → signalimport fullseye as fs; fs.ledger.drag_coefficient_sphere(reynolds) -> 'np.ndarray' (実装を直接呼ぶなら import ballistics; ballistics.drag_coefficient_sphere(reynolds) -> 'np.ndarray'、台帳から引くなら opsdrive.get("drag_coefficient_sphere"))滑らかな球の抗力係数の経験式(Morrison 2013、Re ≲ 1e6): 24/Re + 2.6(Re/5)/(1 + (Re/5)^1.52) + 0.411(Re/263000)^−7.94/(1 + (Re/263000)^−8)
空の入力(reynolds が 0 要素)は ValueError。
py -3.11 examples/gallery_drive_ballistics.pysignal を入力に取れる)flight_vacuum · magnus_lift_coefficient · restitution_from_apexes · restitution_from_intervals · fit_parabola · flight_fit · fit_aero · fit_spin
ball)ball_params · impact_params · flight_vacuum · flight_ode · flight_simulate · flight_state_at · magnus_lift_coefficient · bounce
Provenance: ballistics.py — DRIVE operator registry. この per-op ノートは tools/opdocs.py md が自動生成(手編集しない)。
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.