1) slip-critical
摩擦型
1.
This paper discusses the application of calculation formulas of high-strength bolt connection in slip-critical type under the action of both shearing force and axial force.
讨论了摩擦型高强度螺栓连接在同时承受剪力和拉力时的计算公式及应用。
2) friction model
摩擦模型
1.
Research of friction model and parameterized realization in the numerical simulation of sheet metal deep drawing;
板料拉深成形数值模拟摩擦模型及参数化实现研究
2.
Redevelopment of friction model in the numerical simulation of sheet metal forming process based on ABAQUS;
基于ABAQUS的板料成形数值模拟摩擦模型的二次开发
3.
Study of the friction model of the bi-directional-servo brake;
双向自增力式制动器摩擦模型的研究
3) frictional model
摩擦模型
1.
A hyperelastic constitutive model is applied to model its elastic force, a fractional derivative model is used to model its frequency dependent property, and a generalized frictional model is imposed to model its amplitude dependent performance.
实验测试了一橡胶隔振器的动态特性,建立了基于超弹性、分数导数和摩擦模型的橡胶隔振器动态特性的非线性模型,其中超弹性模型用于描述橡胶隔振器的弹性,分数导数模型用于表征橡胶隔振器动态特性的激振频率相关性,摩擦模型用于表征橡胶隔振器动态特性与激振振幅相关的特性,文中论述了建模方法和参数辨识方法。
2.
Based on the finite-element method of near-field wave motion, we present an explicit parallel finite-element method to simulate the dynamic rupture of 3D earthquake fault according to the frictional model.
本文在近场波动有限元的基础上,根据断层动力破裂的摩擦模型,详细地推导出了断层面节点在破裂的不同时刻的计算公式,提出了一种模拟断层动力破裂的显式并行有限元方法,利用此方法,可以模拟断层的破裂过程、地表破裂及由此产生的地面运动。
4) frictional pile
摩擦型桩
1.
5 m thick soil filling can make negative skin friction most be developed,and the bearing capacity of frictional pile as well as end-bearing pile under negative sk.
5的填土高度能导致负摩阻力较充分地发挥,承载负摩阻力的端承型桩与摩擦型桩一样,承载力需综合沉降确定。
5) Dref 3 yarn
Dref3型摩擦纺
1.
The properties of plain woven fabrics made of Dref 3 yarns having staple fibre core-sheath yarn,twistless core component and hollow sheath component in weft and 2-ply cotton ring-spun yarn in warp have been studied.
3种纱均在Dref3型摩擦纺机上按芯皮50/50比例纺成,经纱统一采用2合股纯棉纱线。
6) friction and end-bearing model
摩擦端承型
1.
The end bearing of pier has a delayed action compared with that of side-friction,the loads on the top of pier are mainly borne by end bearing,so the pier belongs to friction and end-bearing model.
可以发现计算与实测的Q-s曲线非常接近;墩底端阻力的发挥严重滞后于墩侧摩阻力,墩顶荷载主要由端阻力承担,属摩擦端承型;扩大头侧面与土体接触处产生裂缝,裂缝首先在侧面下部产生,随荷载增加逐渐向上发展直至贯通,最大裂缝宽度达4。
补充资料：摩擦学:滚动摩擦
滚动摩擦
两相互接触的物体有相对滚动或有相对滚动趋势时的摩擦。滚动摩擦的机理不同於滑动摩擦﹐它主要来源於滚动体在接触区域產生弹-塑性变形﹐在以接触点(或线)为中心的接触区内接触压力分布不对称﹐致使支承面的反力N 发生偏心﹐并產生摩擦力F (见图 滚动摩擦示意图
)。用表示法向反力N 到接触点的距离﹐根据力的平衡条件可得
式中为滚动体半径﹔为滚动摩擦係数﹐它的量纲为长度﹐其值与接触面的材料﹑粗糙度﹑温度和湿度等因素有关。
两相互接触的物体有相对滚动或有相对滚动趋势时的摩擦。滚动摩擦的机理不同於滑动摩擦﹐它主要来源於滚动体在接触区域產生弹-塑性变形﹐在以接触点(或线)为中心的接触区内接触压力分布不对称﹐致使支承面的反力N 发生偏心﹐并產生摩擦力F (见图 滚动摩擦示意图
)。用表示法向反力N 到接触点的距离﹐根据力的平衡条件可得 式中为滚动体半径﹔为滚动摩擦係数﹐它的量纲为长度﹐其值与接触面的材料﹑粗糙度﹑温度和湿度等因素有关。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条