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SGI O2 Out of Box Experience 2.2
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SGI O2 Out of Box Experience 2.2.iso
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ingal
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acoustic.jpg
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Joint Photographic Experts Group Image
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1998-05-26
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261KB
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1144x880
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24-bit (183,132 colors)
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OCR:
fluid air wooden shell structure Figure 4 Coupled fluid/structure analysis time varying load setup and results DELTA_MAG DISPLACEMENT in 2.76441E-03 2.67B02E-03 2.59163E-03 2.50525E-03 2.41B86E-03 2.33247E-03 2.24608E-03 2. 15970E-03 2.07331E-03 Wooden Shell Displacements 1.98692E-03 1. 90053E-03 (time = . 031 sec) 1.81414E-03 1. 72776E-03 1.64137E-03 1.55498E-03 1. 46B59E 03 1.38221E-03 1.29582E-03 1.20943E-03 1. 12304E-03 Sound Pressure 1.03665E- 03 Level (psi) 9.50266E-04 0.63870E-04 7 . 7 4980E-08 (28.53 dB) 7. 77490E-04 7. 50762E-08 6.91103E-04 7 . 26544E-08 6.04715E-04 7.02326E-08 5.18927E-04 4.31939E-04 HODNO 6.78107E-08 6.53889E-08 3. 45551E-04 6.29671E-08 2.59163E-04 6.05453E-08 1.72776E-04 5.81235E-08 8. 63B78E-05 5.57017E-08 0.00000E+00 5.32799E-08 5.08581E-08 4.84362E -08 Air Sound Pressure Levels The sound pressure levels listed on 4 . 60144E -08 (time = . 031 sec) the left can be converted to decibel 4. 35926E-0 levels by the equation 4. 11708E-08 3. 17490E-08 dB = 20 log P/Pref 3.63272E-08 3 .39054E-08 3. 14B36 08 In this case the reference pressure, 2.90617 18 Pref is equal to the human 2.66399E 08 threshhold of hearing defined as 2.42181E 09 . 17963 Pref = 2.9009E-9 psi 1.93745 18 1.69527E-08 1. 45309E-08 So at this point in time the maximum 1.21091E-08 volume in the chamber has been 9.68725E-09 calculated to be 28.53 dB .26544E-09 .84362E-09 2. 42181E-09 0.00000E+00
