研究具有粘滞阻尼和三次函数强非线性弹性缓冲包装系统的跌落冲击响应。
The dropping shock of cushioning packaging system with damping and nonlinear elasticity of three order functional relation is investigated.
该模型考虑了水影响下的水泥后期水化和孔隙水的粘滞力对饱和混凝土弹性模量的影响。
The influences of cement further hydration and water viscosity in pores and cracks on the elastic modulus of saturated concrete are taken into account in the model.
结果表明，变温马氏体相变及I/C相变过程中内耗均为粘弹性型内耗，是相界面在克服粘滞性阻力而运动时引起的。
The IF behaviour in the processes of MP and I/C phase transformations are nearly the same and is associated with the motion of phase interface under the action of phase transformation driving force.
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