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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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0.68
0.63
0.58
0.53
0.490.44
0.39
0.34
0.29
0.34
0.25
0.20
0.06
0.150.72
0.68
0.630.58
0.530.490.44
0.39
0.34
0.68
0.68
0.63
0.63
0.630.58
2.72
2.77
2.72
2.66
2.55
2.44
2.34
2.28
2.23
2.23
2.1
7
2.72
2.662.61
2.552.50
2.39
2.28
2.23
2.12 2.72
2.83
2.88
8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
5
0
5x 10
5
Time (seconds)
Modaldisplacementm/sqrt(kg)
8 ND (99 % speed), backward travelling wave
0 0.05 0.1 0.15 0.2 0.25 0.3 0.354
2
0
2
4x 10
5
Time (seconds)
Modaldisplacementm/sqrt(kg)
8 ND (99 % speed), forward travelling wave
8/14/2019 Whole Assembly Flutter Analysis of LP Turbine Blade
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40 30 20 10 0 10 20 30 400.2
0
0.2
0.4
0.6
0.8
1
1.2
Nodal diameter
Damping%
88% speed
94% speed
99% speed
-0.0001
-8e-05
-6e-05
-4e-05
-2e-05
0
2e-05
4e-05
6e-05
8e-05
0.0001
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
TiptrailingedgeDisplacment(m)
Time (seconds)