主要研究了楔形变截面压杆绕弱轴的弹塑性弯曲失稳。
The elastoplastic bending instability of the tapered compression members under axial loads about the weak axis is mainly studied.
全面地解决了板条和型材弹塑性弯曲后的回弹计算问题。
The calculation of the springback of strips and shaped beams after their elastic-plastic bending has been solved completely.
根据梁塑性弯曲的工程理论，采用微分求积法进行了梁的弹塑性平面弯曲分析。
According to the engineering theory of plastic bending, the elastoplastic bending analysis of a beam is conducted using differential quadrature method.
不均匀压缩下金属板带面内弯曲成形是一种不同于传统塑性弯曲的先进弯曲方法。
In-plane bending of a strip metal under unequal compressing with conical rollers is a kind of advanced bending processes.
利用这些弹塑性弯曲变形数学模型计算的主要参数有：1）夹送辊咬入带钢的条件；
The main parameter which can be calculated using this mathematic model that we have created include:1) The condition that strip can be brought into pinch rolls;
由于考虑了纵向过渡段塑性弯曲的影响，作者提出的模型较以往的环模型更加符合实际。
The model conforms better tol the practice than the ring models due to considering the effect of the plastic bending of the longitudinal transition zone.
对一般非对称截面梁的弹塑性弯曲变形进行了讨论，并通过分析得到了一近似种求解方法。
The paper studied elastic-plasticity bending deformation of cross-section of unsymmetrical beam and found a solution of deformation.
从变分不等式出发，结合有限元，建立了按增量求解薄板弹塑性弯曲问题的线性互补方程。
Finite Elemnent-Linear Complementary Equation is established for analysis of elastoplastic thin plate-bending problems based on variational inequality principle.
随着塑性弯曲而发生的挠度和刚度大的变化常会使结构内部发生显著地内力重分布，特别是超静定梁中。
The large deflections and stiffness changes usually associated with plastic bending can significantly change the internal load distribution, particularly in statically indeterminate beams.
基本弹性弯曲理论要求弯曲应力均随到中性轴的距离而线性变化，但塑性弯曲理论揭示了一个更加精确的和复杂的应力分布。
Elementary Elastic bending theory requires that bending stress varies linearly with distance from the neutral axis, but plastic bending shows a more accurate and complex stress distribution.
本文应用弹塑性弯曲理论提出了一种消除焊接对接接头角变形的平面外拘束力的计算方法，计算了极限拘束力、拘束长度和反变形的量值，并通过试验验证了方法的有效性。
By the theory of elastoplastic bend, this paper prowents a method to calculate out - of -- plane restraint and reverse deformation that are made use of to remove angle deformation in butt joints.
塑性变形就是在断裂前弯曲或变形的能力。
Plastic deformation is the ability of bend or deform before breaking.
根据递增塑性破坏的强度准则，详细讨论了循环弯曲载荷下船体梁的非弹性变形性能。
Based on the strength criterion of the incremental plastic collapse, the inelastic deformation behavior of a ship's hull girder under cyclic bending loads was discussed in detail in this paper.
焊缝导向弯曲试验的目的是检查焊接接头的完好性和塑性以及材料的焊接工艺和表面缺陷。
The purpose of weld guide bending test is to detect plasticity of welding joint, welding process and surface defects of materials.
如果预应力筋满足enISO 15630中对弯曲性的要求，则可以假设其有足够的弯曲塑性。
Adequate ductility in bending may be assumed if the prestressing tendons satisfy the requirements for bendability of en ISO 15630.
大量的试验研究和地震震害表明，在强烈地震作用下，桥梁墩柱的塑性铰区域遭到破坏较多，是由于墩柱的弯曲延性不足而导致。
A large number of experimented researches and earthquake indicate that most damages belong to the areas of plasticity hinge of piers in server earthquake, because piers lack curve ductility.
竹材通过加热、提高含水率和改善竹材的表面状态等三种途径来增加其塑性、减小展平时的反向弯曲应力。
Through heating, raising moisture content and improving the surface condition of bamboo, plasticity of bamboo can be increased, bending stress can be reduced to opposite direction.
弯曲加载是需要最小力及最少能耗使塑性土壤破碎的一种有效的加载方式。
Loading plastic soils into bending is an effective method of causing soil fracture with both minimum force and energy requirements.
在挠性管柱绕着卷筒半径和导拱缠绕时，所给予的塑性变形造成了残留弯曲。
The residual bend results from the plastic deformation imparted as the string is spooled around the radius of the reel and guide arch.
从弹塑性理论出发以圆截面轴为例对校正应力与残余变形进行了分析研究，提出了在给定弯曲误差下的校正载荷的计算公式。
The paper has studied straightening stress and residual deformation of circular shaft by using elastic - plastic theory, deueloped calculation formula of straightening loud in given deflection error.
其中易塑性的优点，使它能弯曲、折叠、切割和压铸，使得它用于商店货架材料时，有着广泛的造型可能性。
One of the advantages of easy plastic so that it can be bent, folded, cut and die-casting, making it the material used to store shelves, with the possibility of a wide range of shapes.
对SP侧压过程中板坯的塑性变形情况，及板坯尾部的失稳弯曲进行了理论分析。
The plastic deformation of the slab being pressed by sizing press(SP) is expounded, and the bending of the slab end is theoretically analyzed as well.
以托板理论、弹塑性力学中的薄板弯曲小挠度理论为基础，编程计算了爆破矿柱后顶板悬露面积的临界值。
On the basis of SLATE theory and elastic and plastic mechanics theory, the critical area of SLATE is obtained by computer calculation.
金属的流动发生在金属的塑性变形范围之内，因此在施加的外力去除之后弯曲保持永久的变形。
Metal flow takes place within the plastic range of the metal, so that the bend retains a permanent set after removal of the applied stress.
结果表明，高能喷丸后其表层组织发生严重塑性变形并实现组织纳米化，是提高弯曲疲劳寿命的主要原因。
The result indicates that the improvement of the fatigue limit is due to the nano-crystallization and severe plastic deformation in the surface layer induced by high-energy shot peening.
针对一个被均匀加热的矩形截面梁由于不均匀的冷却过程所引起的弯曲变形问题，本文给出了一个热弹塑性分析解。
An analytical solution for elastoplastic bending of a hot free beam due to inhomogeneous cooling process is presented in this paper.
管材激光弯曲成形是一种柔性金属塑性成形方法。
管料的数控弯曲是一种先进的管弯曲塑性加工技术，而数控弯管技术的高效应用需要相关的软件支持。
The nc tube bending process is one of the advanced tube bending technologies, and its high effective application needs the corresponding software to support its performance.
这种弯管机由钢制机架、下模、上模、夹具、液压系统和内胎等组成，其工作原理是通过确定合理的支点和受力点并施加弯曲力矩，使钢管发生塑性变形，实现钢管的冷弯曲。
By determining rational fulcrum and force bearing point, and applying bending torque to cause the plastic deformation of the steel pipe, it can realize the cool bending of the pipe.
利用有限元法，采用弹性理想塑性模型，对受对称面外弯曲的内压弯管进行循环塑性分析。
Cyclic plastic strains are analyzed for the pressurized elbow subjected to symmetric out-of-plane bending with finite element method (FEM) and the assumption of elastic-perfectly plasticity (EPP).
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