Berekening dimensionering Plus-Minus project Diapason : 440 Hz Materiaal: aluminium buis 30/20mm Materiaal konstante voor f0: 1562658.87291122 note = midi note number f = frequency of the fundamental l_cal = calculated length of the tube l_eff = empiric exact length of the tube error = difference between l_cal and l_eff suspension point at distance from end N= 83 f = 987 l_eff= 401 node at: 89.9042mm Material constant= 1587105 N= 84 f = 1046 l_eff= 389 node at: 87.2138mm Material constant= 1582817 N= 85 f = 1108 l_cal= 377.6345 node at: 84.66564 mm Calculated constant= 1580094 N= 86 f = 1174 l_cal= 366.5555 node at: 82.18174 mm Calculated constant= 1577420 N= 87 f = 1244 l_cal= 355.844 node at: 79.78022 mm Calculated constant= 1575214 N= 88 f = 1318 l_cal= 345.5188 node at: 77.46532 mm Calculated constant= 1573470 N= 89 f = 1396 l_eff= 335.6 node at: 75.24152mm Material constant= 1572278 N= 90 f = 1479 l_cal= 325.9333 node at: 73.07426 mm Calculated constant= 1571179 N= 91 f = 1567 l_cal= 316.574 node at: 70.9759 mm Calculated constant= 1570433 N= 92 f = 1661 l_cal= 307.417 node at: 68.9229 mm Calculated constant= 1569731 N= 93 f = 1760 l_cal= 298.5594 node at: 66.93702 mm Calculated constant= 1568823 N= 94 f = 1864 l_cal= 289.9758 node at: 65.01256 mm Calculated constant= 1567362 N= 95 f = 1975 l_eff= 281.48 node at: 63.10782mm Material constant= 1564812 N= 96 f = 2093 l_cal= 273.0637 node at: 61.22089 mm Calculated constant= 1560620 N= 97 f = 2217 l_cal= 264.7475 node at: 59.35639 mm Calculated constant= 1553922 N= 98 f = 2349 l_cal= 256.3457 node at: 57.4727 mm Calculated constant= 1543600 N= 99 f = 2489 l_cal= 247.7933 node at: 55.55526 mm Calculated constant= 1528283 N= 100 f = 2637 l_eff= 239 node at: 53.5838mm Material constant= 1506280 N= 101 f = 2793 l_cal= 229.8485 node at: 51.53203 mm Calculated constant= 1475551 N= 102 f = 2959 l_cal= 220.0696 node at: 49.3396 mm Calculated constant= 1433061 N= 103 f = 3135 l_cal= 209.4617 node at: 46.96131 mm Calculated constant= 1375456 N= 104 f = 3322 l_cal= 197.6874 node at: 44.32152 mm Calculated constant= 1298248 N= 105 f = 3520 l_cal= 184.3553 node at: 41.33247 mm Calculated constant= 1196338 N= 106 f = 3729 l_cal= 168.8922 node at: 37.86563 mm Calculated constant= 1063681 N= 107 f = 3951 l_cal= 150.2106 node at: 33.6772 mm Calculated constant= 891472 N= 108 f = 4186 l_cal= 126.5498 node at: 28.37246 mm Calculated constant= 670381 Averaged material constant = 1562658.87291122