Here are the exact functions from your successful Test‑0 run.
Here are the exact functions from your successful Test‑0 run. ✅ STEP 1 — Your exact Test‑0 functions 1. The Real‑Time Acceleration (from Test‑0B) python def acceleration_real(Psi, L_2D, r_mesh_2d, v, mu, lam, kappa, S_max, Psi_sat, m): """ Real-time acceleration = -δE/δΨ* (canonical hyperbolic PDE) This matches compute_gradient exactly. """ psi_sq = np.abs(Psi)**2 # Saturation and its derivative S = S_max * np.tanh(psi_sq / (Psi_sat**2)) dS = (S_max / (Psi_sat**2)) * (1.0 / np.cosh(psi_sq / (Psi_sat**2))**2) # Variational gradient components (IDENTICAL to compute_gradient) term_kin = -v**2 * (L_2D @ Psi) term_mass = mu * Psi term_nonlinear = lam * psi_sq * Psi term_tension_exact = kappa * (S + psi_sq * dS) * Psi term_centrifugal = +v**2 * m**2 * Psi / (r_mesh_2d**2 + 1e-12) gradient = term_kin + term_mass + term_nonlinear + term_tension_exact + term_centrifugal # Cano...