function P = woodblock_defaults()
% WOODBLOCK_DEFAULTS Default parameters, mirroring the web app's params.ts.
% Note woodblock.py's reference default for mallet_stiffness is 3.0e8; the
% app (and this file) default to a softer 1.0e8.

P.length_m = 0.200;
P.width_m = 0.055;
P.wall_thickness_m = 0.010;
P.block_height_m = 0.050;

P.density = 850.0;
P.youngs_modulus = 1.6e10;
P.hollow_softening = 0.90;
P.participating_mass_kg = 0.35;
P.inharmonicity = 1.00;
P.n_modes = 26;
P.max_mode_hz = 20000.0;

P.loss_factor = 0.010;
P.loss_slope = 1.2e-7;

P.strike_position = 0.42;
P.mallet_mass = 0.025;
P.mallet_velocity = 2.5;
P.mallet_stiffness = 1.0e8;
P.contact_exponent = 1.5;
P.contact_damping = 0.8;

P.cavity_volume_m3 = 2.6e-4;
P.slit_area_m2 = 8.0e-4;
P.slit_length_m = 0.012;
P.cavity_damping = 0.06;
P.cavity_coupling = 1.0;
P.cavity_span_lo = 0.30;
P.cavity_span_hi = 0.70;

P.listener_x_m = 0.15;
P.listener_y_m = 0.25;
P.listener_z_m = 0.30;
P.slit_x_m = 0.0;
P.slit_y_m = 0.0275;
P.slit_z_m = 0.0;
P.radiating_elements = 48;
P.speed_of_sound = 343.0;
P.air_density = 1.204;

P.sample_rate = 48000;
P.oversample = 16;
P.duration_s = 0.45;
P.pre_delay_ms = 3.0;
P.normalize = 1;
P.peak_dbfs = -3.0;
P.full_scale_pa = 20.0;
end