围绕障碍物流动使融化前部的速度下降并产生较高的局部粘性而减少松弛作用。
Flow around an obstruction causes a decrease in melt front speed and leads to high local viscosity and reduced relaxation.
计算得到了杆内温度及位移的分布规律，分析了移动热源速度、弹性模量以及热松弛时间对温度和位移的影响。
The effects of moving heat source speed, temperature-dependent modulus of elasticity and thermal relaxation time on displacement and temperature are studied.
高温和低的初始应变会加快松弛的速度。
High temperature and low initial strain will speed up the pace of relaxation.
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