2 "sweep": {
3 "id": "damping-inplane-strike",
4 "title": "Damping: in-plane loss (drumstick strike)",
87b10e4Gallery: 31 sweep(s) renderedJeremy Magland 5 "text": "The same sweep excited by the default drumstick strike (30 g at 3 m/s) instead of the corner push. Struck, the difference is plain: with no in-plane loss the stretching modes ring at several kilohertz and pull the centroid up to about 5 kHz.",
7 "unit": "1/s",
8 "values": [
9 0,
10 20,
11 100
12 ],
13 "base": {
14 "excitation": "strike"
15 }
16 },
17 "gainDb": 20,
18 "clips": [
19 {
20 "id": "damping-inplane-strike-0",
21 "label": "0 1/s",
22 "overrides": {
23 "excitation": "strike",
24 "sigmaIn": 0
25 },
26 "metrics": {
27 "peakPa": 2.5520682334899902,
28 "peakDbSpl": 102.11724572149622,
29 "rmsPa": 0.011300157030717241,
30 "centroidHz": 5039.718473221522,
31 "t60": {
32 "20-100": 5.1004041785195815,
33 "100-500": 4.291635089687747,
34 "500-2k": 2.5607880878672473,
35 "2k-8k": 5.976454937148861
36 },
37 "bandLevelsDb": {
38 "20-100": -10.04596520952746,
39 "100-500": 0,
40 "500-2k": 1.0712649062873005,
41 "2k-8k": 3.8348335743484014
42 }
43 },
44 "gainDb": 20,
45 "peakDbfs": 28.13784563477585,
46 "run": {
47 "steps": 3072000,
48 "seconds": 33.18799774800008,
49 "nx": 39,
50 "ny": 58,
51 "dt": 0.0000013020833333333333,
52 "maxContactForce": 195.15817260742188
53 }
54 },
55 {
56 "id": "damping-inplane-strike-1",
57 "label": "20 1/s",
58 "overrides": {
59 "excitation": "strike",
60 "sigmaIn": 20
61 },
62 "metrics": {
63 "peakPa": 2.552067756652832,
64 "peakDbSpl": 102.11724409859474,
65 "rmsPa": 0.010939866293578663,
66 "centroidHz": 654.5269112833041,
67 "t60": {
68 "20-100": 5.084050764268366,
69 "100-500": 4.166515631486475,
70 "500-2k": 2.5109722913953734,
71 "2k-8k": 4.596561207548714
72 },
73 "bandLevelsDb": {
74 "20-100": -10.075329770223362,
75 "100-500": 0,
76 "500-2k": 1.0910838167922776,
77 "2k-8k": -0.46759244010335266
78 }
79 },
80 "gainDb": 20,
81 "peakDbfs": 28.13784401187437,
82 "run": {
83 "steps": 3072000,
84 "seconds": 33.24046350200008,
85 "nx": 39,
86 "ny": 58,
87 "dt": 0.0000013020833333333333,
88 "maxContactForce": 195.15817260742188
89 }
90 },
91 {
92 "id": "damping-inplane-strike-2",
93 "label": "100 1/s",
94 "overrides": {
95 "excitation": "strike",
96 "sigmaIn": 100
97 },
98 "metrics": {
99 "peakPa": 2.552067279815674,
100 "peakDbSpl": 102.11724247569296,
101 "rmsPa": 0.010900583116608851,
102 "centroidHz": 637.0456414973493,
103 "t60": {
104 "20-100": 5.133888878681161,
105 "100-500": 3.728211514936817,
106 "500-2k": 2.461201156797241,
107 "2k-8k": 3.9216853275431065
108 },
109 "bandLevelsDb": {
110 "20-100": -10.190136488247838,
111 "100-500": 0,
112 "500-2k": 1.1612462526931147,
113 "2k-8k": -0.5630467773785135
114 }
115 },
116 "gainDb": 20,
117 "peakDbfs": 28.137842388972587,
118 "run": {
119 "steps": 3072000,
120 "seconds": 33.23594421999994,
121 "nx": 39,
122 "ny": 58,
123 "dt": 0.0000013020833333333333,
124 "maxContactForce": 195.15817260742188
125 }
126 }
127 ]
128}