梯形应力脉冲在弹性杆中的传播过程和几何弥散1)
杨洪升*,李玉龙*,周风华†2)(
)
)
THE PROPAGATION PROCESS AND THE GEOMETRIC DISPERSION OF A TRAPEZOIDAL STRESS PULSE IN AN ELASTIC ROD 1)
Yang Hongsheng*,Li Yulong*,Zhou Fenghua†2)()
)
图10. 弥散波形的幅值振荡和上升沿时间随泊松比和传播距离的变化 ($\bar{\alpha }= 0.004)$
Fig.10. The changes in amplitude oscillation and wave front rising time of the dispersed waveforms with Poisson ratio and propagation distance ($\bar {\alpha } = 0.004)$
