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But as a result of the practical application realizability, the technical maturation and time hastiness, has carried on the theoretically discussion analysis only in this, the following work waits for in continues to study.

但由于实际应用的可实现性、技术成熟性及时间的仓促,在此只进行了理论上的探讨分析,后续工作有待于继续研究。

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。

Owing to the monotonic mapping of fuzzy structured element established the homeomorphic property between fuzzy number space and the family of standard bounded monotone function, so, we can transform the study of any properties in fuzzy number space to the corresponding one in the family of standard bounded monotone function, e.g.

本项目针对矿井下采空区岩石陷落形成的多孔隙介质空间的极度不规则性,建立一种以模糊值函数分析学为基础的、更接近于刻划采空区内气体流动实际状况的模糊微分方程及各种边值问题,进而得出解算复杂采场气体模糊渗流问题的数学方法。

From a practical point of view, homogeneity of variances is obviously unreasonable.

从实际的观点来看,方差齐性条件显然是不合理的。

Consequently, we expect that our procedure will be practically more useful especially when the homoscedasticity is in doubt according to prior experience.

因此,在实际中,若根据历史数据或原有经验对方差的齐性持怀疑态度时,这种新的方法就会充分发挥它的作用。

This, however, is a hypothetical case which has never actually occurred; even the case of Honorius, were it proved that he taught the Monothelite heresy, would not be a case in point.

不过,这是一个假设性的案例,从来没有实际发生的;即使案件挪,这证明他教导monothelite异端,不会一个很好的例子。

So the paper analyzes system complexity by inversion, and it, in the theory, is also a non-computable problem or unsolvable problem, that is not to simply say a lot or hugeness.

另一个是理论上可计算性的,但实际中由于问题的计算量以非多项式增长无法在现有计算机可接受的时间内完成。

This article takes the Marxism Humanics and Western Stimulation theory as its foundation stone .It also takes the Marxism Humanics as its guide thought and philosophical foundation which constitute the Stimulation Management Mode . Through reflecting on the traditional Stimulation Mode and studying the logical foundation of stimulation of teachers in elementary and middle schools ,we deeply reflect on the Tradition Stimulation Mode and its thought and attribute the problem of stimulation strategy to the loss of the humanity and the pinch of the value pursuit .From the reality of Chinese culture and modern school culture .we use the essential thought in the Western Stimulation Theory for reference and set a definition on Stimulation from the philosophical view ,that is ,the subject takes the corresponding stimulation mode according to the understanding of the stimulated object needs ,acts on the motivation ,purpose and action of the stimulated and consequently satisfy the purpose of the subject .

本文以马克思人学理论和西方激励理论为理论基石,以马克思人学思想作为建构激励管理模式的指导思想和哲学基础,通过对传统激励模式的反思,通过对中小学教师激励的逻辑基础的研究和外在因素的研究,对传统教师激励模式及思想做深刻反思,将传统中小学教师激励策略问题归结为人文性的缺失和价值追求的匮乏,并从中国文化、现代学校文化实际出发,借鉴西方激励理论中的精华思想,从哲学的视角定义了激励的内涵是行为主体根据对激励对象需要的理解而采取的相应的刺激方式,作用于被激励对象的动机、目的、行为,从而满足行为主体的目的。

Professor Deng pointed out the ill-conditioned problem of grey model firstly, but how to research have not appear. This paper mainly research on the ill-conditioned problem of grey model.

因此研究GM模型的病态性问题,寻找能降低系数矩阵条件数的有效方法,是保证灰预测控制实际效果可靠性的重要基础。

Location of the inland frontier regions have greater uncertainty and imperfectibility at politics and economy than other regions,therefore the border " shielding effect " makes the actual advantage of location of the inland frontier regions uncertain,especially the relative advantage may change in the future,cause the transaction costs of the inland frontier regions to be redounded .

内陆边境地区在政治和经济上存在较大的不确定性以及信息上的不对称性和不完善性,由此产生的边界"屏蔽效应"使得内陆边境地区的区位实际优势不确定、特别是相对优势在未来可能发生变化,导致内陆边境地区的交易成本被抬高。

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推荐网络例句

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。