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202<br />

Tabela 5.22 – Comparação entre a frequência teórica e experimental para u > 25%.<br />

Viga U (%)<br />

Massa<br />

(kg)<br />

E M,VT<br />

(GPa)<br />

I (m 4 ) L (cm)<br />

f (Hz) f teórica /<br />

f medi<strong>da</strong><br />

Teórica Medi<strong>da</strong><br />

65,73% 7,95 38,99 38,58 1,01<br />

53,22% 7,35 40,55 40,35 1,00<br />

1 42,80% 6,85 6,96 1,05E-06 197,40 42,01 41,76 1,01<br />

30,29% 6,25 43,98 44,00 1,00<br />

27,16% 6,10 44,51 44,51 1,00<br />

101,21% 8,75 36,63 37,60 0,97<br />

88,57% 8,20 37,84 39,01 0,97<br />

74,77% 7,60 39,30 39,99 0,98<br />

2<br />

64,42%<br />

58,67%<br />

7,15<br />

6,90<br />

6,71 1,06E-06 197,30<br />

40,52<br />

41,25<br />

41,15<br />

41,58<br />

0,98<br />

0,99<br />

48,32% 6,45 42,66 42,66 1,00<br />

40,28% 6,10 43,87 43,65 1,01<br />

32,23% 5,75 45,19 45,19 1,00<br />

114,77% 9,20 38,38 38,76 0,99<br />

98,43% 8,50 39,93 40,33 0,99<br />

78,58% 7,65 42,09 42,57 0,99<br />

3<br />

63,41%<br />

55,24%<br />

7,00<br />

6,65<br />

7,68 1,07E-06 197,50<br />

44,00<br />

45,15<br />

44,24<br />

45,08<br />

0,99<br />

1,00<br />

44,73% 6,20 46,76 46,67 1,00<br />

36,56% 5,85 48,14 47,88 1,01<br />

29,56% 5,55 49,42 49,42 1,00<br />

52,39% 7,45 54,51 54,91 0,99<br />

44,20% 7,05 56,03 56,68 0,99<br />

4 37,05% 6,70 12,56 1,07E-06 197,60 57,48 57,77 0,99<br />

33,98% 6,55 58,13 58,27 1,00<br />

25,80% 6,15 59,99 59,99 1,00<br />

83,18% 8,95 41,83 42,40 0,99<br />

68,86% 8,25 43,57 44,19 0,99<br />

5<br />

48,39%<br />

38,15%<br />

7,25<br />

6,75<br />

8,80 1,07E-06 196,80<br />

46,48<br />

48,17<br />

46,66<br />

48,05<br />

1,00<br />

1,00<br />

32,01% 6,45 49,26 49,04 1,00<br />

28,94% 6,30 49,84 49,84 1,00<br />

93,81% 9,70 38,88 39,03 1,00<br />

87,82% 9,40 39,49 39,75 0,99<br />

78,83% 8,95 40,47 40,56 1,00<br />

73,83% 8,70 41,05 41,19 1,00<br />

6 62,84% 8,15 8,32 1,07E-06 197,20 42,41 42,34 1,00<br />

51,85% 7,60 43,92 43,74 1,00<br />

46,86% 7,35 44,66 44,44 1,00<br />

37,87% 6,90 46,09 45,92 1,00<br />

27,88% 6,40 47,86 47,86 1,00<br />

120,05% 10,05 38,65 38,97 0,99<br />

106,91% 9,45 39,85 40,89 0,97<br />

7<br />

91,58%<br />

65,31%<br />

8,75<br />

7,55 8,68 1,05E-06 197,60<br />

41,42<br />

44,59<br />

42,36<br />

45,04<br />

0,98<br />

0,99<br />

53,27% 7,00 46,31 46,31 1,00<br />

40,13% 6,40 48,43 48,33 1,00<br />

26,99% 5,80 50,87 50,87 1,00<br />

126,60% 10,30 40,80 42,33 0,96<br />

96,90% 8,95 43,76 44,65 0,98<br />

82,60% 8,30 45,45 45,91 0,99<br />

8 61,70% 7,35 9,42 1,09E-06 196,70 48,29 48,43 1,00<br />

57,30% 7,15 48,96 49,05 1,00<br />

40,80% 6,40 51,75 51,76 1,00<br />

27,60% 5,80 54,37 54,37 1,00<br />

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