阻尼层 meaning in English
damping layer
Examples
- The calculation formula for structure damping exhausting factor of combined pipe is denoted . structure exhausting factor of combined pipe treated by the damping material of sa - 3 is obtained with the different temperature and damping layer thickness
推导出管道表面阻尼处理后复合管结构损耗因子的计算公式,并得出了sa - 3阻尼材料处理后,不同温度、不同阻尼层厚度时复合管的结构损耗因子。 - The analytical mode is based on the theory of sound propagation in layered media . the concept of equivalent parameters is established . the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance
解析模型以分层介质中的波动理论为基础,建立了等效参数的概念,并运用声阻抗的复数表示法把阻尼层对介质层声能吸收的影响都考虑进去,通过比较敷设消声覆盖层前后多层传递损失的差异来获得消声层的效率。 - An optimal hankel norm approximation model reduction method is used to reduce the equations of motion to lower order size . it is shown that the method is steady , efficient by numerical emulating . firstly , the influence of viscoelastic layer thickness and material properties , piezoelectric actuator layers thickness on the vibration suppression are investigated
采用最优hankel最小阶逼近降阶法对主被动混合阻尼结构的控制状态方程进行降阶,以附加主动约束阻尼层的梁结构为例,进行了数值仿真,结果表明:该方法是一种稳定的、高效的、鲁棒性很好的降阶方法。 - Hamilton ' s principle are used to obtain equations of motion , which are discretized using finite element method . the frequency dependent damping of viscoelastic layer is modeled using the golla - hughes - mctavish ( ghm ) method and the system is analyzed in the time domain . ghm increases the size of the original system by adding fictitious dissipation coordinates that account for the frequency dependent damping
本文采用ghm模型描述粘弹性阻尼材料的本构关系,根据哈密顿原理分别对附加主动约束阻尼层结构( acld )和主被动阻尼分离结构( acupcld和acopcld ,其中acupcld结构是将压电作动层贴于粘弹阻尼层的下面, acopcld结构是将被动约束层和压电作动层分别贴于梁的上下表面)的梁结构建立了有限元模型,进而得到系统控制状态方程。 - Jacket is the most widely used offshore platform structural style . first of all , the paper summarizes the present achievements of dynamic analysis for offshore platform , and studies both the vibration isolation system for jacket and vibration - suppressed effectiveness . considering the style and character of jacket , and in order to make best use of dampers to reduce vibration , a damping isolation scheme , in which the damping layer is laid between the jacket cap and deck is put forward
本文在总结国内外对海洋平台结构动力分析研究现状的基础上,针对浅海导管架式海洋平台的型式与结构特点,研究了导管架式海洋平台结构阻尼隔振体系及其减振效果,为了充分发挥阻尼器的耗能减振作用,提出了在平台结构导管架端帽和甲板之间设置柔性阻尼层的新型阻尼隔振方案。