{
  "sweep": {
    "id": "bow-amplitude",
    "title": "Sheet: initial bow (push and release)",
    "text": "Real sheet metal has a bow of a few millimetres, which makes it a shallow shell with an asymmetric stiffness. A flat plate has a symmetric, purely hardening nonlinearity; the bowed sheet moves energy out of the inaudible sub-50 Hz range into the audible partials and produces the slow wobble of a real sheet.",
    "param": "bowAmplitude",
    "unit": "mm",
    "scale": 0.001,
    "values": [
      0,
      0.0015,
      0.003,
      0.006
    ]
  },
  "gainDb": 20,
  "clips": [
    {
      "id": "bow-amplitude-0",
      "label": "0 mm",
      "overrides": {
        "bowAmplitude": 0
      },
      "metrics": {
        "peakPa": 0.018530940636992455,
        "peakDbSpl": 59.33734938306809,
        "rmsPa": 0.001388644325813247,
        "centroidHz": 138.9772680798363,
        "t60": {
          "20-100": 5.40596094655707,
          "100-500": 3.819770427107747,
          "500-2k": 2.5190226429641105,
          "2k-8k": 5.719996984810312
        },
        "bandLevelsDb": {
          "20-100": 3.460446813870501,
          "100-500": 0,
          "500-2k": -17.439123839725028,
          "2k-8k": -42.62007000620335
        }
      },
      "gainDb": 20,
      "peakDbfs": -14.642050703652295,
      "run": {
        "steps": 3072000,
        "seconds": 38.22419604100008,
        "nx": 39,
        "ny": 58,
        "dt": 0.0000013020833333333333,
        "maxContactForce": 0
      }
    },
    {
      "id": "bow-amplitude-1",
      "label": "1.5 mm",
      "overrides": {
        "bowAmplitude": 0.0015
      },
      "metrics": {
        "peakPa": 0.020424241200089455,
        "peakDbSpl": 60.18231869926915,
        "rmsPa": 0.0019242604968380084,
        "centroidHz": 150.61640608909013,
        "t60": {
          "20-100": 5.460361387120384,
          "100-500": 3.900035197231288,
          "500-2k": 2.536623163865745,
          "2k-8k": 5.836896374715746
        },
        "bandLevelsDb": {
          "20-100": 2.3772095277434886,
          "100-500": 0,
          "500-2k": -12.252782511894985,
          "2k-8k": -45.02134490787171
        }
      },
      "gainDb": 20,
      "peakDbfs": -13.797081387451222,
      "run": {
        "steps": 3072000,
        "seconds": 38.296715861,
        "nx": 39,
        "ny": 58,
        "dt": 0.0000013020833333333333,
        "maxContactForce": 0
      }
    },
    {
      "id": "bow-amplitude-2",
      "label": "3 mm",
      "overrides": {
        "bowAmplitude": 0.003
      },
      "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": 38.37281498499995,
        "nx": 39,
        "ny": 58,
        "dt": 0.0000013020833333333333,
        "maxContactForce": 0
      }
    },
    {
      "id": "bow-amplitude-3",
      "label": "6 mm",
      "overrides": {
        "bowAmplitude": 0.006
      },
      "metrics": {
        "peakPa": 0.05146374553442001,
        "peakDbSpl": 68.20942790676992,
        "rmsPa": 0.003868781695405247,
        "centroidHz": 260.49211658030276,
        "t60": {
          "20-100": 4.983307515922108,
          "100-500": 4.685646135490641,
          "500-2k": 2.440539912981983,
          "2k-8k": 18.996539591386778
        },
        "bandLevelsDb": {
          "20-100": -12.16321143704782,
          "100-500": 0,
          "500-2k": -13.892336138110384,
          "2k-8k": -45.14339851082234
        }
      },
      "gainDb": 20,
      "peakDbfs": -5.7699721799504555,
      "run": {
        "steps": 3072000,
        "seconds": 38.30926785599999,
        "nx": 39,
        "ny": 58,
        "dt": 0.0000013020833333333333,
        "maxContactForce": 0
      }
    }
  ]
}