Impact Dynamic Behavior Of The Rigid Impactor On The Lead Target
Author(s)
Y.S. Lee, K.H. Kang, S. K. Chung
Abstract
Impact dynamic behavior of the rigid impactor on
the lead target
Y.S. Lee', K.H. Kang*, S.K. Chung"
*Chungnam National University, Taejon, Korea
^Agency for Defense Development, Korea
Abstract
Impact dynamic behavior of the rigid impactor is studied both
experimentally and numerically on impact velocity range from 33m/s to
93m/s. Two types of impactors - hemispherical and conical - are used on the
test and experimental results are compared with the numerical calculation
using the AUTODYN code.
As a result, deceleration - time histories of impactors increase with the
increasing of impact velocity in the peak value and duration time. Numerical
results by the AUTODYN code generally agree with experimental results.
The characteristics of deceleration - time curves of the impactors differ from
each other according to the shape of impacting surface. A half sine wave
pulse is generated in the hemispherical impactor and a triangular wave pulse
in the conical impactor.
1 Introdu
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