Tae-seok Yoon

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STUDY DESIGN Flexibility tests and finite element analyses were performed for the biomechanical evaluation of diagonal transfixation in pedicle screw instrumentation. OBJECTIVE To assess the biomechanical advantages of diagonal transfixation compared with conventional horizontal transfixation. SUMMARY AND BACKGROUND DATA A few pedicle screw(More)
The compression wave generated by a high-speed train emerges from the exit portal of the tunnel, causing an impulsive noise called micro-pressure wave. In this study, we proposed new methods for the prediction of sonic-boom noise. First presented method is acoustic monopole analysis/Kirchhoff method. The compression wave by a train entering a tunnel is(More)
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