查询词典 frictional

Frictional forces may also act when there is no relative motion.

在无相对运动的情况下，也可以有摩擦力的作用。

The advanced frictional technology has the important meaning to the thorough development of friction material performance.

先进的摩擦试验机测控技术对于摩擦材料性能研究的深入开展有着重要意义。

With the stress of pressure and heat, excess graphitization can be introduced in the frictional face.

在压应力和热应力的作用下，摩擦表面存在额外石墨化现象。

No-Arbitrage for the Term Structure of Interest Rates in a Frictional Market.

摩擦市场利率期限结构的无套利分析。

This postulate is compatible with what may be called "frictional" unemployment.

该假定与所谓的"摩擦性"失业是相容的。

This paper discusses the internal mechanism and corresponding factors of how risk management increases firm's value in the frictional real world.

本文将探讨风险管理如何在有摩擦的现实世界中增大公司价值的内在机制及相关影响因素。

Under dry and hydrothermal conditions, systematic experiments were conducted on constitutive parameters of frictional sliding of gabbro gouge. We obtained the coefficient of friction and velocity dependence as functions of temperature up to 615 C, with normal stresses of 200 MPa and 300 MPa.

在干燥和热水条件下对辉长岩摩擦本构参数进行了系统的实验研究，分别得到正压力200MPa和300 MPa条件下的摩擦强度和速度依赖性参数随温度的变化。

With iterative calculation method, loads of pile cap ,side frictional stress, settlement of pile cap, settlement between pile and soil,are deduced in condition of a group of initial side friction coefficients.

根据这些协调方程组，在给定一组初始桩侧摩阻力系数的条件下，运用迭代计算，最终可求出复合地基中的桩顶荷载、桩侧摩阻力、桩顶沉降及桩间土的受力和沉降。

In order to reasonably depict four basic problems with friction, one Coulomb friction new form in first Kirchhoff stress is proposed to deal with finite deformation problems, other Coulomb friction form in incremental mode to elastoplastic flow theory; Hilbert function spaces concerning elastoplastical problems with friction are established, so it makes all operations and calculations in the treatise standardized within the scope of reasonably topologic structure; In view of functional extremum, the equivalence between generalized variational inequalities principles in elastoplasticity with friction and corresponding basic problems are testified by inducing Lagrangian multipliers, so it provides a rationally theoretical basis for numerical methods in elastoplasticity with friction; From the viewpoint of variational inequality, the theory of generalized variational inequalities in elasticity and elastoplasticity with frictional constraint is studied, and the uniqueness and existence of the solution of FEM is proofed under the proposed conditions of stress compatibility, and them FEM approximation and a discrete solution are discussed; Based on the principles of generalized variational inequalities in elastoplasticity with friction, direct generalized variational inequalities methods is pretended, which is a natural generalization and development of direct variational methods; Using generalized variational inequalities methods, some examples in metal forming including plane deformation, upset and extrusion are analyzed and the results prove that all the theories and methods in the paper are right, feasible, accurate and advanced.

主要内容有：为了合理地描述金属塑性成形中摩擦约束弹性、弹塑性基本问题，提出和研究了有限变形下以Kirchhoff第一应力表示的Coulomb摩擦定律形式和弹塑性流动理论下以增量形式表示的Coulomb摩擦定律表示形式；系统建立了摩擦约束弹塑性问题的Hilbert函数空间，使本文规范在一个具有合理的代数拓扑结构内进行一切操作和运算；利用Lagrange乘子，从泛函极值的角度系统地阐述和论证了一系列摩擦约束弹性、弹塑性广义变分不等原理与相应的实际问题之间的等价性，它为处理摩擦约束的弹塑性力学数值方法提供了合理的理论基础；从变分不等式的角度出发，阐述了对应于摩擦约束弹性、弹塑性问题的广义变分不等式理论，首次提出了在应力相容性条件下，它的有限元解具有存在唯一性，进而讨论了其有限元近似及离散解法；基于摩擦约束弹塑性广义变分不等式原理，首次提出了直接广义变分不等式方法，这一方法是直接变分法的合理推广和发展；利用直接广义变分不等式方法对金属压力加工中的平面变形问题、镦粗、挤压等塑性成形问题进行了分析计算，验证了该理论和数值算法的正确性、实用性、精确性和优越性。

There are different views about the genesis of nano-sized particle layers in rocks, and we incline to the view that shear friction plays a dominant role and that the nano-sized particle layer may be called a frictional-viscous thin layer.

对岩石中纳米粒子层的成因有着不同的观点，我们倾向于剪切摩擦的主导作用，纳米粒子层可称谓摩擦-粘性薄层带。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。