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4. 距离杆端 $\bar {x} = 5$ 处的应力时程曲线(红色虚线为初始的梯形脉冲)
Fig.4. Stress time history curve at $\bar {x} = 5$ from the rod end (The red dashed curve is the original trapezoidal pulse)
