本文将离散的局部透射边界与集中质量有限元方法相结合,用于模拟粘弹性成层介质中的稳态波动。
In this paper, a discrete local transmitting boundary is combined with a lumped-mass finite element technique for simulating steady wave motion in the viscoelastic layered medium.
螺旋桨大会,根据要求3,其中每一层粘弹性材料是均匀的厚度。
A propeller assembly, according to claim 3, wherein each layer of viscoelastic material is of uniform thickness.
本文从稳定性的观点出发,研究了粘弹性柔性壁对湍流边界层的影响。
The influence of a viscoelastic compliant wall on the turbulent boundary layer was studied from the viewpoint of stability.
以粘弹性材料松弛型积分本构关系为基础,给出了复合材料层合板的有限元控制方程及相应的有限元分析程序。
It is based on the relaxation integral constitutive relation to give the finite element control equation and analysis program for laminated composite plates.
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 mechanism and the extent of action of polymer solution's depleted layer effect and viscoelastic effect on displacement efficiency and sweep coefficient.
实际储层中的岩石是一种非完全弹性的材料,特别是当流体渗入后,岩体往往表现出较强的粘弹性。
Actual reservoir rocks are anelastic materials, especially when they are saturated with some kind of fluid, which will make the viscoelastic characteristics more significant.
因此粘弹性阻尼层的随机性对抑制结构共振响应和声辐射的影响是较大的。
Therefore, the randomness of viscoelastic damping layer obviously influences the resonant response and sound radiation of structure.
另外,本发明的丙烯酸类粘弹性材料和丙烯酸类粘弹性材料层带或片在高温下保持力良好。
Also, the acrylic viscoelastic material and acrylic viscoelastic material layer tape or sheet of the invention is excellent in the holding power at high temperatures.
在约束层和热固化加强层之间有丁基胶的粘弹性材料层。
The adhesive elastic material layer arranged between the restricting layer and the thermo-cured reinforcing layer is made of butyl rubber.
在约束层和热固化加强层之间有丁基胶的粘弹性材料层。
The adhesive elastic material layer arranged between the restricting layer and the thermo-cured reinforcing layer is made of butyl rubber.
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