Both numerical calculations and supersonic physical model experiments are used in the study of P-SV waves in dipping viscoelastic layer.
本文用数值计算和超声物理模型实验两种方法研究倾斜粘弹性覆盖层中P -SV波的传播。
Employed wave propagation approach, the vibrational power flow of a submerged infinite cylindrical shell coated with unconstrained viscoelastic layer excited by a radical harmonic force is studied.
采用波传播分析方法,讨论了外部敷设粘弹性自由阻尼材料的无限长圆柱壳在流场中受径向简谐激励的振动功率流。
A propeller assembly, according to claim 3, wherein each layer of viscoelastic material is of uniform thickness.
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。
The mechanism and the extent of action of polymer solution's depleted layer effect and viscoelastic effect on displacement efficiency and sweep coefficient.
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。
Therefore, the randomness of viscoelastic damping layer obviously influences the resonant response and sound radiation of structure.
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。
The influence of a viscoelastic compliant wall on the turbulent boundary layer was studied from the viewpoint of stability.
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 damping layer as random variable within each element shows that the random analysis for viscoelastic damped structure is necessary.
阻尼层厚度局部单元随机性的影响表明了对阻尼结构采用随机分析的必要性。
Dynamic stiffness for lateral vibration of a viscoelastic floating pile in a nonlinear viscoelastic soil layer is investigated.
该文研究了非线性粘弹性土层中粘弹性悬浮桩侧向振动的动力刚度。
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.
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。
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。
Frequency and loss factor are two important indices of dynamic property of composite structures, in which the viscoelastic material is sandwiched between the upper layer and the lower layer.
频率和损耗因子是粘弹性材料复合夹层结构的两个重要的动力特性指标。
Frequency and loss factor are two important indices of dynamic property of composite structures, in which the viscoelastic material is sandwiched between the upper layer and the lower layer.
频率和损耗因子是粘弹性材料复合夹层结构的两个重要的动力特性指标。
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