64f7060cymbal-flat-disk-v1: flat bronze disk struck with a stick, geometrically nonlinearJeremy Magland 1{
2 "challenge_id": "cymbal-flat-disk-v1",
3 "title": "Flat bronze disk struck with a drum stick, geometrically nonlinear: radiated pressure",
4 "version": 1,
5 "output": {
6 "type": "wav",
7 "sample_rate_hz": 48000,
8 "num_samples": 288000,
9 "channels": 1,
10 "sample_format": "float32",
11 "signal": "acoustic pressure at the listener point from the Rayleigh integral over the top face",
12 "signal_unit": "Pa",
64f7060cymbal-flat-disk-v1: flat bronze disk struck with a stick, geometrically nonlinearJeremy Magland 14 },
15 "playback": {
64f7060cymbal-flat-disk-v1: flat bronze disk struck with a stick, geometrically nonlinearJeremy Magland 17 "note": "Suggested playback gain for listening; presentation only, not part of the deliverable."
18 },
19 "parameters": {
20 "disk_radius": 0.2032,
21 "h": 0.001,
22 "E": 110000000000.0,
23 "nu": 0.34,
24 "rho": 8800.0,
25 "sigma0": 1.1,
26 "eta": 1.2e-08,
27 "strike_x": 0.17272,
28 "strike_y": 0.0,
29 "strike_radius": 0.005,
31 "strike_peak_force": 1000.0,
64f7060cymbal-flat-disk-v1: flat bronze disk struck with a stick, geometrically nonlinearJeremy Magland 32 "rho_air": 1.204,
33 "c_air": 343.0,
34 "listener_x": 0.06,
35 "listener_y": 0.08,
36 "listener_height": 0.5
37 },
38 "metrics": {
39 "primary": "waveform_l2",
40 "waveform_l2": {},
41 "spectrogram_l2": {
42 "window": "hann_periodic",
43 "n_fft": 2048,
44 "hop": 512
45 }
46 },
47 "fields": {
48 "format": "hdf5",
49 "quantity": "normal displacement of the mid-plane, u_z(x, y, 0, t); NaN outside the disk",
50 "units": "m",
51 "axes": [
52 "t",
53 "y",
54 "x"
55 ],
56 "shape": [
57 3001,
58 61,
59 61
60 ],
61 "frame_rate_hz": 1000,
62 "dtype": "float32"
63 },
64 "reference_solution": null,
65 "model": "saint-venant-kirchhoff"
66}