Study of the effect of viscoelastic material damping on the dynamic response of flexible multibody systems is made in this paper.
对粘弹性材料阻尼对柔性多体系统动力学瞬态响应的影响进行数值研究。
When the excitation frequency is relatively low, the material damping of inner region has negligible influence on the real stiffness of the soil.
当激振频率较小时,内部区域土体材料阻尼对土体扭转阻抗的刚度部分基本没有影响。
Concerns with the nonexistence of global solutions to the initial boundary value problem for a nonlinear hyperbolic equation with material damping.
考虑了一类具材料阻尼的非线性双曲型方程初边值问题整体解的不存在性。
It is also found that the effects of thickness and shear modulus of the inhomogeneous soil are significant but the effects of the material damping are not significant.
水平方向不均匀土的剪切弹性模量的影响较大而其材料阻尼的影响较小。
As the lightest constructional material, magnesium alloy has high specific strength, high specific stiffness, good magnetic-shielding ability, good damping ability, and good machinability.
镁合金是比重最轻的结构材料,具有高的比强度、比刚度和良好的磁屏蔽性、阻尼性、切削加工性等优点。
Damping material being used on aircraft structure is a new thesis.
阻尼材料在飞机结构上的应用是一个新课题。
The effects of material nonlinearity, damping, initial geometric imperfection and initial static load on structure dynamic stability have been analyzed.
分析材料非线性、阻尼、初始几何缺陷、初始静荷载等因素对结构动力稳定性的影响。
The vibration and noise level declined obviously through the isolation around the bearing as well as the adoption of damping alloy as the material of the gearbox body.
通过轴承部位的隔振以及箱体采用高阻尼合金材料,齿轮箱的振动与噪声有了明显下降。
The dynamic mechanical property of polyurethane damping material has been studied.
研究了聚氨酯阻尼材料的动态力学性能。
It finds that the damping coefficient is directly proportional to not only wave frequency, but the filling fraction of bigger damping material.
讨论了不同填充比下固有频率对应的衰减系数关系曲线,得出了衰减系数随着大阻尼材料填充比的增大而增大。
An attempt to improve the vibration damping of this material was first performed by introducing compliant interlayers between composite plies.
首先,通过在复合材料层片间引入障碍插层的方法进行复合材料振动阻尼性改进的尝试。
The paper has mainly introduced damping mechanism and application of the research of domestic and international several kinds familiar intellectual damping material.
本文主要介绍了国内外几种研究比较成熟的智能阻尼材料的阻尼机理及其应用。
This paper deals with a new type damping sound-absorption wedge for ship and its material formulations, damping properties, wedge structure, sound-absorption.
简要介绍了舰艇用新型阻尼吸声尖劈的材料配方、阻尼性能、尖劈结构、吸声性能。
In this paper, dynamics performance of viscoelastic damping material are studied and research of the dynamics performance of viscoelastic damping material is discussed.
本文研究介绍了粘弹性阻尼材料动态力学性能,并进行了粘弹性阻尼材料动态特性的数学模拟研究。
And it also makes an explicit introduction of the design principle and the damping effect of the polymer basis IPN piezoelectricity damping material.
并详细分析介绍了聚合物基ipn压电阻尼材料的设计原理及阻尼效果。
Possessing both magnetisation of solid magnet material and flowability of liquid, it is widely used in engineering fields, such as sealing, lubracation, damping, etc.
它兼有固体磁性物质的磁性和流体的易流动性,因此,这种磁性液体被广泛地应用于工程中的许多领域。
The invention solves the problems of low damping capability and poor durability of the conventional concrete structure material per se.
本发明解决了现有混凝土结构材料自身阻尼能力低、耐久性差的问题。
This paper introduces a sort of damping material reducing vibration noise used for components suffered forces i. e. composite damping steel plate with asymmetrical structure.
本文介绍一种用于受力构件的减振降阻尼材料——不对称型复合阻尼钢板。
Because various reason such as: Nonlinear, asymmetry of material, complexity of damping mechanism, and be hard to make certain of coupling, making a accurate calculating is subjected to restrictive.
由于多方面的原因,如:非线性因素、材料的不均匀性、阻尼机理的复杂性,再加上联结刚度难以确定等等,使得有限元计算的准确性受到限制。
The text is mainly about the development of the damping material, polymer base piezoelectricity intellectual damping material.
本文主要综述了聚合物基压电智能阻尼材料的阻尼机理。
The principle that carries on the damping processing is to combine a kind of damping material and spare parts integral whole to consume vibration energy.
进行阻尼处理的原理就是将一种阻尼材料与零件结合成一体来消耗振动能量。
The damping material may be an elastomer.
该阻尼材料可以为弹性体。
The invention relates to a rubber piezoceramics damping vibration attenuation material and a preparation method thereof.
本发明涉及一种橡胶压电陶瓷阻尼减振材料及其制备方法。
The invented spring comprises the spring body and the damping body containing high damping material, and producing damping action for movement of springs.
本发明属于弹簧,它包括弹簧本体及对弹簧的运动产生阻尼作用的含有高阻尼材料的阻尼体。
Rigid polyurethane foam (RPUF) is widely used in adiabatic material and structure material, but that is litter paper focused on its damping property.
硬质聚氨酯泡沫塑料是一种优良的绝热材料和结构材料,但对其阻尼性能的关注较少。
The basic types of composite structures with free damping and constrained damping, so what works derived free damping materials and constrained damping material.
复合结构的基本类型有自由阻尼和约束阻尼两种,因此派生出工程上所说的自由阻尼材料和约束阻尼材料。
The piezoelectric and conductive epoxy resin composite damping material of the invention has good damping effects such as eliminating noise and vibration, preventing electrostatic and the like.
本发明的压电导电环氧树脂复合阻尼材料具有优良的消除噪声、振动和防静电等阻尼效应。
PAN L J, ZHANG B M, DAI F H. Loss factor of viscoelastic damping composite material under harmonic excitation [J]. Journal of Vibration and Shock, 2008, 27(2): 57-60.
[16]潘利剑,张博明,戴福洪。 简谐激励下共固化复合材料黏弹阻尼结构的损耗因子研究[J]。振动与冲击,2008,27(2): 57-60。
The invention provides epoxy resin composite damping slurry for preparing a damping material, and a preparation method and the composite damping material thereof.
本发明提供一种可制备阻尼材料的环氧树脂复合阻尼浆料及其制法和由其制备的复合阻尼材料。
A new type damping coating material is introduced.
介绍了一种新型阻尼涂料。
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