The analytical and computational results indicate that the viscosity effect is an important factor in propagating crack-tip fields.
分析与计算结果表明，黏性效应是扩展裂纹尖端场的一个重要因素。
It is assumed that the viscosity effect can be neglected for elasticity strain, and only for plasticity strain, the viscosity is significant.
文中假定，弹性阶段的粘性效应可以略去，仅在塑性应变中粘性才起作用。
The results indicate that the temperature dependence of ultrasonic attenuation in liquid hydrogen is mainly determined by volume viscosity effect.
实验结果表明，液氢的超声衰减的温度依赖特性主要取决于体积粘滞效应。
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