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Subject Reduct. Index of porous layer with mass
Date
Mon Nov 29 2004 10:09
Author Jan Borgers
(jborgers@borgers-group.com)
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Reduction Index of porous layer with mass.
1. layer porous 10 mm; 30 kPa s/m² (600 g/m²=60 kg/m³)
2. layer limp mass 0,2 mm; 1000 kg/m³
3. layer porous 20 mm; 30 kPa s/m² (1200 g/m²=60 kg/m³)
4. layer thin plate 0,8 mm; 7850 g/m²; 21 GPa E-Module
To calculate the effect of layer 1 - 3: where should I place the limp masses of the porous layers?
Kind regards
Jan Borgers 2004-11-29
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