Hybrid Structural Testing Center - NEES
Hybrid Structural Testing Center - NEES
Hybrid Structural Testing Center - NEES
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Virtual Laboratory<br />
Input of structure &<br />
load information<br />
Visualization of analysis<br />
result & comparison with the<br />
experimental data<br />
14<br />
12<br />
2 phase model<br />
single phase model<br />
dry ground<br />
10<br />
Ground accleration (g)<br />
0.4<br />
0.2<br />
0<br />
-0.2<br />
-0.4<br />
0 10 20 30 40 50 60<br />
Time (sec)<br />
Transfer function<br />
8<br />
6<br />
4<br />
2<br />
0<br />
0 5 10 15 20 25<br />
Frequency (Hz)<br />
0.01<br />
2 phase model<br />
single phase model<br />
dry ground<br />
0.005<br />
Displacement (m)<br />
0<br />
-0.005<br />
-0.01<br />
0 2 4 6 8 10<br />
Time (sec)<br />
SI from experimental<br />
data<br />
• Shake table testing structure model & 3D truss model<br />
• Elimination & addition of members<br />
• Modification of member properties<br />
• Multi-support excitation<br />
• Visualization of the result<br />
• Vibration mode, stress, strain, deformation<br />
• Time histories & Fourier transforms of responses<br />
• Real measured data can be fed into the virtual model
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