viscoelastic layer

The mechanism and the extent of action of polymer solution's depleted layer effect and viscoelastic effect on displacement efficiency and sweep coefficient are studied through the displacement tests of polymer solutions in various models.

通过聚合物溶液在不同模型中的驱油实验，研究了聚合物溶液的衰竭层效应和粘弹性效应对驱油效率和波及系数的作用机理和作用程度。

The eigen-relaxation time and eigen-function for viscoelastic toroidal deformation can be analytically given when the total layer number is up to 6 between CMB and earth surface.

当核幔-地表小于6个分层时，本文能解析地给出了粘弹性地球环形场的特征松弛时间。并写出了地表剪切应力激发下的特征函数表达式。

Dynamical Response of One Dimension Liquid Saturated Viscoelastic Porous Medium Layer

一维流体饱和粘弹性多孔介质层的动力响应

Abstract: Vibrational power flow on combined plates with a change in mass and stiffness or with viscoelastic damping layer used widely in engineering is studied.

对工程中常用的发生质量和刚度突变或加有粘弹性阻尼材料的组合L形板结构进行了振动功率流研究.应用拉普拉斯变换和迁移矩阵方法得到了板的挠度表达式以及其它的物理量。

Analytical study on vertical vibration amplification of a viscoelastic soil layer

粘弹性土层中竖向振动放大系数的研究