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)(
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THE PROPAGATION PROCESS AND THE GEOMETRIC DISPERSION OF A TRAPEZOIDAL STRESS PULSE IN AN ELASTIC ROD 1)
Yang Hongsheng*,Li Yulong*,Zhou Fenghua†2)()
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图8. 传播距离的变化对脉冲波形的影响 ($\bar {\alpha } = 0.004$,$\nu = 0.3)$
Fig.8. The effect of variation of propagation distance on pulse waveforms($\bar {\alpha } = 0.004$,$\nu = 0.3)$
