1{
2 "sweep": {
3 "id": "push-sign",
4 "title": "Push and release: with or against the bow",
5 "text": "The sheet has a 3 mm bow across its width. Pushing the corner in the direction of the bow and against it are not equivalent: the shell stiffness is asymmetric, so the two cases have different low-mode frequencies and a different wobble.",
6 "clips": [
7 {
8 "label": "+10 mm (with the bow)",
9 "params": {
10 "pushAmount": 0.01
11 }
12 },
13 {
14 "label": "-10 mm (against the bow)",
15 "params": {
16 "pushAmount": -0.01
17 }
18 }
19 ]
20 },
21 "gainDb": 20,
22 "clips": [
23 {
24 "id": "push-sign-0",
25 "label": "+10 mm (with the bow)",
26 "overrides": {
27 "pushAmount": 0.01
28 },
29 "metrics": {
30 "peakPa": 0.04646482318639755,
31 "peakDbSpl": 67.32188586389826,
32 "rmsPa": 0.0033498771907116485,
33 "centroidHz": 195.7169225189091,
34 "t60": {
35 "20-100": 5.414347622298749,
36 "100-500": 4.0120593180726445,
37 "500-2k": 2.724403865668108,
38 "2k-8k": 7.678595678417119
39 },
40 "bandLevelsDb": {
41 "20-100": -1.153481711330091,
42 "100-500": 0,
43 "500-2k": -6.774905483785499,
44 "2k-8k": -41.19767338483816
45 }
46 },
47 "gainDb": 20,
48 "peakDbfs": -6.657514222822115,
49 "run": {
50 "steps": 3072000,
51 "seconds": 38.222787114000006,
52 "nx": 39,
53 "ny": 58,
54 "dt": 0.0000013020833333333333,
55 "maxContactForce": 0
56 }
57 },
58 {
59 "id": "push-sign-1",
60 "label": "-10 mm (against the bow)",
61 "overrides": {
62 "pushAmount": -0.01
63 },
64 "metrics": {
65 "peakPa": 0.02123831957578659,
66 "peakDbSpl": 60.52180311472628,
67 "rmsPa": 0.001989223364890316,
68 "centroidHz": 113.958772659888,
69 "t60": {
70 "20-100": 5.090317428099678,
71 "100-500": 5.116617974212879,
72 "500-2k": 2.673681453202228,
73 "2k-8k": 7.555363995795604
74 },
75 "bandLevelsDb": {
76 "20-100": 2.507566931796589,
77 "100-500": 0,
78 "500-2k": -27.49696931829688,
79 "2k-8k": -43.63933934882745
80 }
81 },
82 "gainDb": 20,
83 "peakDbfs": -13.4575969719941,
84 "run": {
85 "steps": 3072000,
86 "seconds": 37.75758010800002,
87 "nx": 39,
88 "ny": 58,
89 "dt": 0.0000013020833333333333,
90 "maxContactForce": 0
91 }
92 }
93 ]
94}