我们发现了一种简单可行的对马尾衬布变形回弹性进行测试的一种方法。
We found a simple operating testing method of the resilience performance of hanser named petal shape weighting.
然后应用拉氏乘子法于有限变形回弹变分原理建立有限变形广义回弹变分原理。
Then, Lagrange arithmetic operator is applied in variation principle of finite deformation resilience to establish a generalized variation principle of springback.
在此基础上研究了一种简单可行的对马尾衬布变形回弹性进行测试的一种方法。
According to which we carried out lots of experiments and find a simple operating testing method of the resilience performance of hanser named petal shape weighting.
在现场实测数据的分析过程中发现，许多断面在卸载后并不发生回弹变形，而是继续产生沉降，沉降速率存在明显的变化。
The problem, a large number of test sections did not display resilience but keep up subsiding after uninstalling loads, was found in analyzing field test data.
当膜力卸除后，周向弹性变形和径向缩短的弹性变形导致回弹。
When the membrane stress is removed, circle elasticity deformation end radial shorten elasticity deformation make for resilience.
介绍了型砂塑性变形临界值、回弹势能的概念及其测试方法；
The conceptions and testing methods of the plastic deformation threshold and springback potential are introduced.
每个测试项目都有验证失败的可能，所有项目中最易失败的是回弹和变形测试，最不易失败的是尺寸和质量测试。
Failures occur in all tests, but the most common are the rebound and deformation tests. Least common are the size and mass tests.
以矩形柱面扁壳为模型，从小变形、简单加载的前提条件出发，推导了矩形柱面扁壳切边后曲面方向回弹的理论解。
Based on the assumptions of small deformation and simple load, an analytical model of cylinder shallow shell is constructed, and the curve direction spring-back after trimming are given theoretically.
为解决级进模具使用的带料上的局部折弯回弹的精度问题，本文建立了折弯变形区的过压量模拟模型。
In order to acquire the local bending spring-back accuracy of sheet metal strip of a progressive die design, the thesis aims to build ironing depth simulation model in a bending deformation zone.
还评价了其它技术性能，如回弹性和压缩永久变形，发现接枝硫化胶优于添加3 - 5份油增塑的NR硫化胶。
Other technical properties such as resilience and compression set have also been evaluated and are found to be better than 3-5 PHR oil plasticized NR vulcanizates.
板料在弯曲过程中，由于存在弹性变形，卸载后，弹性变形必然影响到板料的回弹。
There exists the elastic deformation during the process of sheet bending, and it will influence the springback of sheet after unloading.
主要讨论板壳成形过程中的结构性问题，探讨板料塑性变形、板内膜力对应力状态和变形状态的作用以及回弹规律。
The effect and resilience rule of the plate's plastic deformation and membrane force on the stress state and deformation state are discussed.
从理论上分析了翻边的变形机理及翻边回弹的原因。
The flanging deformation mechanism and its springback reason was theoretically analyzed.
通过对室内击实制备的不同状态的黄土样进行回弹模量、湿陷等试验，分析了干密度、含水量、触变龄期等对黄土变形特性的影响；
This dissertation, through experiment on modulus of resilience and collapsibility, analyses the effect of dry density, moisture and thixotropy on the deformation characteristic of loess;
针对板材三维冲压成形的切边回弹问题，提出了基于大变形弹塑性有限元数值模拟理论的切边处理AIA方法。
In this paper, an edge-cutting AIA method is presented based on elastic-plastic large deformation finite element simulation theory.
本文从弹性变形能概念出发，提出一种新的回弹评价指标。
Based on the concept of elastic deformation energy, a new springback evaluation criterion is presented in this paper.
验证了急倾斜煤层开采过程中支护结构稳定-压缩-回弹-稳定的变形特性。
The stable-compression-resilience-stable deformation features of the support structure was verified during the steep inclined seam mining process.
同时，应用该回弹势能原理于纯弯曲梁的回弹变形计算。
Meanwhile, the springback potential energy principle is applied to calculate the springback deformation of a pure bending of curved beam.
讨论了TRB在车身制造中需要解决的覆盖件模具设计、冲压成形过程中的变形、材料流动性和板料回弹等关键问题。
Some key problems to be solved in body manufacture for TRBs, such as design of exterior panel dies, deformation during stamping, flow characteristic of material and resilience, etc. 8are dis - cussed.
针对板料成形回弹精度问题的数值模拟，从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
通过对阻燃腈纶纱的瞬时拉伸测试，分析重复拉伸条件下腈纶纱的瞬时回弹特性，定量地阐明腈纶纱瞬时拉伸回弹率与经纱开口变形的关系及其对织造加工的影响。
The relationship between the instantaneous resilience of the yarn and the shedding deformation along with its influence on weaving performance were discussed on a quantitative basis.
根据成形极限图和规定最大回弹超差量来调整变形模式，找到优化的变形模式和拉弯轨迹。
Deformation mode is adjusted according to forming limit diagram (FLD) and maximum springback error, so the optimized one can be found, which in turn optimizes the stretch bending trajectory.
目前对于深基坑的回弹量计算，都是以基坑开挖卸荷为基本应力路径获取变形模量，并未考虑降水的影响。
In the calculation of soil heave, the deformation modulus is obtained by taking the unloading path as the basic stress path and the effect of dewatering is not taken into account.
本文通过亲自对一个工程实例进行连续长达4个月的全面应力、变形及基坑回弹观测，并结合当前基坑支护设计，尤其是平面支撑系统设计中存在某些缺陷，提出一种新设计方法。
By 4 months' observation to internal force and displacement of a engineering example_, some shortcoming is founded in the current design of shoring system at the same time a new method is created.
其拉伸强度高、撕裂强度大、回弹性好、压缩永久变形小。
The light rubber plastic foam material has the characteristics of high tensile strength, high tearing strength, good rebound resilience and low compression set.
结果表明优化拉形工艺参数后零件变形均匀程度提高，回弹减小了21.87%。
According to the result both numerical simulation and experiment have verified that the strain uniformity is improved and springback is reduced 21.87%.
最后将该方法运用于一大型深基坑工程的坑底隆起问题分析，并分析工程桩对坑底回弹和围护结构变形的影响。
In the end, the influences of piles on rebound and deformation of a large deep foundation pit are analyzed.
内座包括中空的主体以及连接该主体上两内侧边并可变形的回弹部。
The inner seat comprises a hollow main body and a rebounding part connected to two inner sides of the main body and capable of deforming.
回弹是卸载过程产生的反向弹性变形，是板料冲压成形过程中存在的一种普遍现象。
Springback is a common phenomenon in sheet metal forming, caused by the elastic redistribution of the internal stresses during unloading.
回弹是卸载过程产生的反向弹性变形，是板料冲压成形过程中存在的一种普遍现象。
Springback is a common phenomenon in sheet metal forming, caused by the elastic redistribution of the internal stresses during unloading.
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