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- skin friction stress 表面摩擦应力
- The accuracy of flat plate, turbulent skin friction at supersonic speeds. 超音速速度下平板,湍流蒙皮摩擦的精确度。
- Hence, an increasing of CoF could reduce the slip distance and increase the friction stress but does not ensure a decreasing in peak contact pressure. 因此,摩擦系数增加,能减少滑动距离和增加摩擦应力,但不能确定最大接触压力的减少。
- Furthermore,the ranges of computational parameters related to the hyperbolic model of skin friction are given. 通过对侧摩阻力实测资料的分析,提出了双曲线模型的计算参数取值范围。
- Appear on the skin friction caused by the non-erythema: liver disease may be the precursor. 皮肤上出现非摩擦所致的红斑:有可能是肝病的前兆。
- The test of negative skin friction along the single pile is studied,which is modeled after piles of Zhanjiang harbor. 结合湛江港某码头基桩工程,对桩的负摩擦力进行试验研究。
- The negative skin friction was nonlinearly distributed along the depth of pile and the bending moment increased with the height of embankment. 随着填土高度的增加,桩侧摩阻力沿深度呈非线性变化,桩身弯矩呈现增大趋势。
- The moving plate in this model made the ball roll by the friction between the ball and the plate. And the contact stress, the contact strain and the friction stress of this model were analyzed in this paper. 并建立了平板-球体接触模型,以平板的摩擦驱动与之接触的球体,得出了运动条件下模型的接触应力、应变以及摩擦力的分布。
- The research of development of negative skin friction of piles is the basic study in revealing the work principle of geotextile reinforced piled embankments. 研究桩周土堆载固结过程中单桩负摩擦力发展规律是揭示桩承式加筋路堤承担路堤荷载的工作机理及沉降发展规律的基础性工作。
- The results indicated that the crack was caused by the mutual actions both surface shear friction stress and distorting stress, and the cracks developed in the way of stress corrosion. 结果表明:上轴裂纹是在较大的表面剪切摩擦应力与扭转应力的共同作用下发生的开裂,裂纹开裂后以应力腐蚀的方式扩展。
- There are interaction in skin friction, branches/plates resistance and end resistance, that is, the upper and lower section resistance interact on each other. 侧摩阻力、支盘阻力、桩端阻力或者说上部桩段与下部桩段阻力存在着空间上的互补关系。
- The friction stress between the tool and the chip is assumed to follow a modified coulomb friction law and the local adaptive remeshing technique is used for the formation of chip. 切屑和刀具的摩擦应力采用修正库仑摩擦方程来计算,工件的流动应力是应力、应变、应变率和温度的函数,采用局部网格重划分技术。
- The solution presents representative profiles for the dimensionless velocity and the skin friction coefficient at different permeability and injection parameters. 给出了量纲为一的速度分布以及在不同渗透参数情况下壁摩擦系数的变化。
- Under the help of the end resistance of multi-under-extruding branches and the skin friction of pile, the bearing capacity of single DX-pile is increased. DX桩是通过桩身多个扩径体(承力盘或承力岔)的端阻力和桩身摩阻力的作用,来大幅提高单桩承载力。
- Therefore, when the mainshock occurs the final stress on the focal fault is higher than the dynamic frictional stress, corresponding to that the fault is abruptly locked. 因此,主震发生时,最终应力大于动摩擦应力,与断层突然锁住的模式相符;
- To ensure the application of self-balanced pile test in collapsible loess, a conversion method of self-balanced pile test under the influence of negative skin friction was put forward. 摘要为了保证自平衡测试法在湿陷性黄土地区的应用,提出了在桩侧负摩阻力影响下桩承载力的自平衡测试结果转换方法。
- Two forces during the backwashing, the sheer stress of water and the frictional stress between the particles of media, were studied and compared with the adhesion of biofilm. 研究了反冲洗过程中的两种颗粒脱附力:水流剪切力和颗粒间摩擦力,并将它们同颗粒附着力进行了比较。
- Structures of the skin friction lines (SFL) appearing on a prolate spheroid in l aminar and turbulent flows were investigated and compared by using an improved o il-flow visualization technique. 用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构.;实验中观察到;椭球表面摩擦力线在层流和湍流状态下具有不同的拓扑结构。
- The boy booted the banana skin to the garbage heap. 男孩把香蕉皮踢到垃圾堆旁。