梯形应力脉冲在弹性杆中的传播过程和几何弥散<sup>1)</sup>

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12. 阶跃脉冲在杆不同位置产生的弥散波形 (Davies 问题) ($\nu = 0.3$)

Fig.12. Dispersed waveforms generated by step pulses at different positions of the rod (Davies problem) ($\nu = 0.3)$}