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 Fenghua2)()

图6. 不同直径的杆离杆端不同距离处的应力波形之比较(左图为有限元模拟结果[17],右图为解析计算结果)

Fig.6. Comparisons of stress waveforms at different distances from the rod end of rods with different diameters (The left curves are finite element simulation results[17] and the right curves are analytical calculation results