Due to the development of high speed machinery, robots and aerospace structures, the research of FMBS undergoing both gross motion and elastic deformation is getting more and more important. 随着高速机械、机器人和航天结构的发展,对包含整体运动和弹性变形的柔性多体系统的研究越来越重要。
The agent is particles with a size range from 1 mm to 8mm, and does not dissolve in water, but is slightly soluble in oil, and with a high elastic deformation capability. 该堵剂是不溶于水、微溶于油、可任意变形、拉伸韧性强的颗粒,其粒径范围为1~8mm。
The load-displacement curves for the cases of high implantation fluence and fluence rate displayed the characteristics of elastic deformation, while those for the cases of pristine and low implantation fluence and fluence rate displayed the characteristics of elastic-plastic deformation. 未注入以及低剂量和剂量率注入塑料的载荷-位移曲线呈现弹塑性变形特征,而高剂量和剂量率注入的呈现出弹性变形特征。
On the basis of destruction mechanism in the limit loading process of high arch dam several states, such as elastic stress, nonlinear, rheologic and limit state of unstable deformation are approached. 以高拱坝的极限受力过程中的破坏机制为基础,探讨了拱坝弹性应力状态、非线性状态、流变状态和失稳变形的极限状态。
In design calculation on steel structure part working at high temperature, design calculation with creep theory was compared to design calculation with elastic deformation theory. 对高温工况下钢结构以弹性变形与蠕变理论进行设计计算作了实例比较,结果表明:对超过蠕变温度的构件应按蠕变理论计算;
A Study of High Temperature Elastic Modul and Elastic Deformation 高温弹性模量与弹性变形的研究
Using steel pipe epoxy resin concrete as the translation roller of the structure has high bearing capacity and rolling capacity and good elastic deformation property, which suffered uniform power. 利用钢管聚合物混凝土作为建筑物移动的滚轴,不仅有高承载力和滚动能力,还具有很好的弹性变形性能,使滚轴受力均匀;
On other hand, unstable solution can be obtained with high speed motion when the effect of coupling deformation on calculating elastic forces is ignored, regardless of the effect of coupling deformation on calculating inertia forces is ignored or not. 反之,如果在计算弹性力时忽略了耦合变形影响,无论在计算惯性力时是否考虑耦合变形影响,当大范围运动的速度较高时,将会得到错误的发散的结果。
As a key development project, we want to increase production of the high-quality steel wire strongly. Prestressed steel wire has a high elastic deformation limit, a high anti-yielding capacity and lower relaxation loss, so it belongs to the high-quality prestressed steel products. 预应力钢丝是我国重点开发并将大力增产的优质钢丝制品,预应力钢丝具有高的弹性变形极限、高的抗屈服能力以及较低的松弛损失,属于高档的预应力钢材产品。
Under the action of high temperature in fire, prestressed steel reinforced concrete members will form a section temperature field which is obviously gradient, the elastic modulus of the material will be re reduced, the component will have a greater thermal stress and deformation. 在火灾高温作用下,预应力型钢混凝土构件将形成一个截面存在明显梯度的温度场,材料的弹性模量降低,构件将产生较大的温度应力及变形。
Based on the viscoelasticity theory of composites, creep characteristics and mechanism of PTFE membrane material is discused, pointing out that creep is composed of general elastic deformation, high elastic deformation and viscous flow deformation. 基于复合材料的粘弹性理论,探讨了PTFE膜材的蠕变特性和蠕变机理,指出蠕变是普弹变形、高弹变形以及粘流变形三部分叠加的结果。
Because of the characteristics of these cracks, the sealing materials should possess high performance in the following features: leak tightness, bonding strength, elastic deformation, durability ect. 根据这些缝隙的特点,认为封缝材料应具有密封性好、粘结力强、弹性变形较大、耐久性良好等特性。
The high temperature alloy usually shows great resistance to deformation so that the elastic deformation of the roll has to be considered when investigating the plate profile. 高温合金钢的高流变应力特性也决定了在研究其板形问题时必须要考虑轧辊的弹性变形。
As one kind of high speed parallel mechanism, the IC die bonder is moving fast, whose moving rods are light, moving precision and position accuracy requirements are extremely high, so the influence of elastic deformation on precision must be seriously taken into account. IC芯片粘片机的焊头是一种高速运动的并联机构,运动速度快、运动杆件轻,运动精度和定位精度要求非常高,因此必须考虑弹性变形对精度的影响。
The results show that when ball screw pair is at a high speed, contact angle, axial load and elastic deformation in the nut assembly change with speed and axial load. 结果表明滚珠丝杠副高速运动时,螺母组件内接触角、法向载荷以及弹性变形随转速和轴向载荷的变化而变化。
The high pressure chamber due to compression of the fluid and the elastic deformation of the pipeline, storage of large amounts of energy, the higher the working pressure, the greater the volume of the high pressure chamber, the greater the stored energy. 高压容腔由于油液的压缩及管路的弹性变形等,贮存了大量能量,工作压力越高,高压容腔容积越大,贮存的能量就越大。