{ "sweep": { "id": "size", "title": "Sheet: size (push and release)", "text": "Plate dimensions (width by height) at the same thickness. Mode frequencies scale with the inverse square of the size, so a larger sheet is lower and slower; it also radiates more efficiently.", "clips": [ { "label": "8 x 12 in", "params": { "Lx": 0.2032, "Ly": 0.3048 } }, { "label": "12 x 18 in (default)", "params": {} }, { "label": "18 x 24 in", "params": { "Lx": 0.4572, "Ly": 0.6096 } }, { "label": "24 x 36 in", "params": { "Lx": 0.6096, "Ly": 0.9144 } } ] }, "gainDb": 20, "clips": [ { "id": "size-0", "label": "8 x 12 in", "overrides": { "Lx": 0.2032, "Ly": 0.3048 }, "metrics": { "peakPa": 0.06421922892332077, "peakDbSpl": 70.1327018209665, "rmsPa": 0.0036191031731183723, "centroidHz": 299.64193921549156, "t60": { "20-100": 4.346948517507047, "100-500": 4.424210355044337, "500-2k": 2.739925934200017, "2k-8k": 6.492776611058871 }, "bandLevelsDb": { "20-100": -15.906993799804223, "100-500": 0, "500-2k": -7.329099751745332, "2k-8k": -25.330202165652075 } }, "gainDb": 20, "peakDbfs": -3.8466982657538615, "run": { "steps": 3072000, "seconds": 36.694463224999836, "nx": 26, "ny": 39, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "size-1", "label": "12 x 18 in (default)", "overrides": {}, "metrics": { "peakPa": 0.04646482318639755, "peakDbSpl": 67.32188586389826, "rmsPa": 0.0033498771907116485, "centroidHz": 195.7169225189091, "t60": { "20-100": 5.414347622298749, "100-500": 4.0120593180726445, "500-2k": 2.724403865668108, "2k-8k": 7.678595678417119 }, "bandLevelsDb": { "20-100": -1.153481711330091, "100-500": 0, "500-2k": -6.774905483785499, "2k-8k": -41.19767338483816 } }, "gainDb": 20, "peakDbfs": -6.657514222822115, "run": { "steps": 3072000, "seconds": 38.239591902999905, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "size-2", "label": "18 x 24 in", "overrides": { "Lx": 0.4572, "Ly": 0.6096 }, "metrics": { "peakPa": 0.028950326144695282, "peakDbSpl": 63.212469300869344, "rmsPa": 0.0022534872667671294, "centroidHz": 122.12395952474397, "t60": { "20-100": 5.149722319264555, "100-500": 4.069609538323575, "500-2k": 2.550072167901959, "2k-8k": 7.337480492407415 }, "bandLevelsDb": { "20-100": 7.947559427523743, "100-500": 0, "500-2k": -20.521442114252682, "2k-8k": -37.471378494119236 } }, "gainDb": 20, "peakDbfs": -10.76693078585103, "run": { "steps": 3072000, "seconds": 40.36680082300003, "nx": 58, "ny": 77, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "size-3", "label": "24 x 36 in", "overrides": { "Lx": 0.6096, "Ly": 0.9144 }, "metrics": { "peakPa": 0.2559710144996643, "peakDbSpl": 82.14321588080469, "rmsPa": 0.0021916269314661684, "centroidHz": 532.3725095271293, "t60": { "20-100": 4.9735527425503445, "100-500": 4.171193266572809, "500-2k": 4.718100357823921, "2k-8k": 6.246302875574128 }, "bandLevelsDb": { "20-100": 18.07003854092374, "100-500": 0, "500-2k": -44.21767621278057, "2k-8k": -12.44033342489616 } }, "gainDb": 20, "peakDbfs": 8.163815794084316, "run": { "steps": 3072000, "seconds": 43.87599745299993, "nx": 77, "ny": 115, "dt": 0.0000013020833333333333, "maxContactForce": 0 } } ] }