使变形的
- 与 使变形的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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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。
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Plate picture and text parts of ink is transferred to the procedure, for various reasons, such as plates and the contact and transfer ink when business card printing and membership card making blanket in the pressure, and plates and the contact with the authority into, the for ink absorption and osmosis and ink performance of optical phenomena, and so on, make the transition to the ink on the relative to the printing plate or mucilloid plates of the original film produces metaboly, a phenomenon in the mesh modulation cards and membership cards to make the dot gain, the law is both dot size, represents the edge of the egualling.
印版上图文局部的油墨在迁徙到被印物的历程洋,由于种种原因,如印版与被印物隔绝和迁徙油墨时活命的制卡和会员卡制作不张力、橡皮布在与印版和被印物隔绝时爆发的变形、被印物对于油墨的汲取和不合泌本领及墨迹表示的平学本体等,使迁徙到被印物上的墨迹不绝对于印版或用于制作印版的原版胶片的图文局部爆发变形本体,这种本体表示在网目调制卡和会员卡制作洋就是网点不收不小,其次序是无论网点巨细,都表示为边际的等距不收不小。
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This matrix is: when the center of the transfixion, which block the movement of the dislocations, is paramagnetic phase, the inductive magnetic field caused by the pulse current have a large effect on the rate of the disengagement of the transfixion.
进一步的研究认为:&电子风&使位错的缠结被打开,使位错的滑移变得容易,从而使位错分布变得均匀,塑性变形时的应力集中减小,最后导致材料塑性的提高。
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The present experiment demonstrated that the unhomogeneity of surface tension induced by gradient magnetic field near the surface of liquid could lead to surface deformation, the quantity and direction of deformation are directly related to the distribution of gradient filed, and a new way to the research of the kinetics of Buoyant-Thermcapillary Convection is proposed.
得到了结论:液体表面附近处的梯度磁场将引起表面张力的不均匀而使其发生变形,变形量及方向与磁场强度和梯度的空间分布有直接关系,为浮力-热毛细对流的相关研究提供一种新的途径。
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He also transformeth Men, and he giveth Dignities, Prelacies, and Confirmation thereof; also Favour with Friends and with Foes.
他亦能使人变形,并能给予人荣耀与权力,还能使人获得敌友的好感。
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Hanging out the washing out paper method is to take advantage of the paper machine will cut or does not have the white ventilates blow dry paper internal moisture and keep the relative air humidity balance and keep it in the business card printing and membership card making and membership card after processing not prone to distortion, which improves business card printing and membership card production quality, and bookbiding process a lot of trouble.
晾纸法是利用晾纸机将切后或者没有切的白纸通风吹晾,使纸张内部湿度和空气湿度保持相对平衡,并使其在制卡和会员卡制作和会员卡制作后加工中不易变形,这样可提高制卡和会员卡制作质量,也给装订过程减少了很多麻烦。
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Hanging out the washing out paper method is to take advantage of the paper machine will cut or does not have the white ventilates blow dry paper internal moisture and keep the relative air humidity balance and keep it in the business card printing and membership card making and membership card after processing not prone to distortion, which improves business card printing and membership card production quality, and bookbiding process a lot of trouble.
晾纸法是诳骗晾纸机不兵切后或者操纵切的白纸透风呼晾,使纸张本质湿度和氛围湿度保留不绝差不均,并使其在制卡和会员卡制作和会员卡制作后增工洋不易变形,这样可调低制卡和会员卡制作质量,也给拆订历程裁减了好多便当。
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With a spring installed inside table, you can move it up and down, and it can adjust the pressure, swing it before and after by eccentric wheel and pulley. The swing margin is about 12 degrees. The platform was installed in the L-plate and can correct center to ensure die non-deformation and roundness in polishing process.
工作台里面安装弹簧一根,可以上下移动,并可任意调整压力,利用皮带轮和偏心轮带动,使前后摆动,摆动幅度约12度,而工作台被安装在 L 型拖板上可以任意地对中心,确保在抛光的过程中,使模具不变形及圆度。
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A vast array of products are made with vulcanized rubber including tires, shoe soles, hoses, and hockey pucks. The process is named after Vulcan , Roman god of fire .
交联的目的是为了使胶料具备高强度、高弹性、高耐磨、抗腐蚀等优良性能,消除永久形变,使橡胶在变形之后,能迅速并完全地恢复原状。
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And the deformation problem of the optical resonant cavity with the temperature factor is solved.
同时,也使激光器放电管因温度产生的变形问题得到彻底解决。使器件结构简单合理,便于制造与维修。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。