本文依据反变形设计原理,指出提高圆柱形螺旋弹簧初拉力的途径及实施办法。
This paper presents the way and practical method for improving the initial tension of cylindrical spiral springs on the basis of anti-limit deformation principles.
在此着重介绍了弹性反变形法,一种兼有刚性固定法和塑性反变形法特点的预变形法。
In this article, it emphatically introduces the method of elasticity anti-distortion, which contains the characteristics of the method of rigidity immobility and the method of anti-distortion.
实践表明,反变形法和加支撑刚性固定是控制这种大型特厚壁结构焊接变形的有效方法。
The practice have proved that the anti -distortion plus with rigid fixing are the effective measures for controlling the distortions of this huge welding structure.
但是由于焊接结构应力场的复杂性,使得精确计算拘束力、拘束长度和反变形量值很困难。
But, it is very difficult to calculate values of restraint, restraint length and reverse deformation accurately, because of the complication of stress fields in welded structure.
在焊接前对工件施加对应量的反变形,进行激光焊接实验,再用三坐标测量仪测量焊接件。
The equal reverse deformation on the workpiece was proposed before welding, and the welded workpiece was measured using CMM after laser welding test.
根据铸件结构特征和不同区域拘束度的不同,设置不同的反变形系数,对原始模型进行反变形处理。
Different anti-deformation coefficients were set on the original mode, according to casting structural features and binding in different regions.
同时介绍了控制焊接变形的几种方法,如反变形法、控制工艺参数、控制温度场以及系统综合分析等。
Some methods used in the control of welding deformation, such as reverse deformation, system analysis, controlling process parameters and temperature field, are introduced.
通过采用预留收缩余量和反变形量,钢性加固,合理选择焊接方法,调整焊接顺序等措施保障了产品焊接最终质量。
In the manufacturing of gate, we use many welding deformation control techniques and adjust the welding sequences to guarantee the final welding quality of gate.
通过对实例的分析,表明对于简单构件的激光焊接,残余塑变理论可以用来预测变形,反变形法是控制焊接变形的有效方法。
The theory of residual plastic strain can be used to predict the distortion of simple components, and the reverse deformation is an effective method for controlling the welding distortion.
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.
因此,如何及时根据施工现场实测沉降资料反分析地基土参数来预测后期沉降,已成为沉降变形动态控制的关键技术之一。
So it becomes one of the key techniques on dynamic control for settlement distortion that how to back-analyze parameters of ground in time base on field test data.
如果某个病毒作者或变形引擎企图使端口号的计算变得混乱,反病毒系统可能运用常数合并来反混淆。
If a virus writer, or a metamorphic engine, attempts to obfuscate the computation of the port number, the anti-virus system may apply constant folding to de-obfuscate it.
依据变形等效原理,建立了层面影响带的粘弹性参数的反分析模型。
Based on equivalent deformation assumption the back analysis model of determining the viscoelastic parameters of the effect zones is established.
对该水电站坝址区陡立反倾板状结构岩体而言,纵向河谷的地形特征,使坝址两岸边坡大范围发育倾倒变形。
Steep and antithetic platy structure of rock mass and geomorphology of the longitudinal valley in the dam site area cause wide-range toppling deformation on the cross-strait slope.
根据相似理论建立地质力学模型,研究反倾层状边坡岩体的变形破坏机制。
Based on simulation theory, a geologic mechanics model is established and used for research on deformation and damage mechanism of anti-dip layered rock slop.
以此为基础,再根据南京某基坑工程现场变形监测结果,由反分析获取SSC模型参数,并对模型参数进行验证。
Based on that, the parameters of SSC model were gained and validated by field monitoring deformations in some excavation engineering at Nanjing.
研究了用反分析理论和内、外边界元方法预测软岩巷道围岩压力和支护变形。
Study on applying the theory of inverse analysis and in-out boundary element method to forecast the pressure of soft rock tunnel 'surrounding rock and supporting deformation.
然后利用反分析得出结果,对围岩的应力与变形进行了分析。
After that, the displacements and stress field are analyzed with the back analysis results.
作者结合岩石力学试验和岩石强度理论对抗滑桩岩质锚固段的地基侧向抗力系数KH进行分析,并根据一定的变形观测和位移反分析法来为KH的取值作一些探讨和研究。
The writers also make some discussions and studies about the size of KH in the presence of deformation observations and displacement back analysis method.
值和岩层厚度是影响边坡稳定性的重要因素,而岩层倾角对反倾边坡的变形影响不大。
The stability of counter-tilt slopes does not rest on terrane obliquity but on strength and thickness of terrane interface.
为了估计剪力对梁变形的影响,在集中力作用下梁内剪力用一个单值连续的反三角函数表示。
To evaluate the effect of shear on deformation of beams, shear in beams under the action of a concentrated load is expressed in terms of a single-valued continuous inverse trigonometric function.
受到结构弹性变形的影响,随着飞行动压的增加,舵面的操纵效率不断下降,副翼甚至会出现操纵反效现象;
Due to the influence of the elastic deformation of flexible structures, the efficiency drops constantly with the increase of the dynamic pressure, which even causes aileron reversal.
其次,提出了基于变形资料确定套管外载的位移反分析方法。
Secondly, a displacement back-analysis method based on deformation data was put forward to calculate the casing loads.
自由变形(FFD)是计算机人脸动画和表情编辑的常用方法,但对控制点的反求和变形结果的不直观是该方法的不足。
FFD (Free form deformation) is general approach for computer facial animation and express editing while troublesomely solving control point and unconspicuous deformation result.
对于钢轨抗滑桩,把测斜仪所测横向变形当作钢轨桩的弯曲变形,然后再反算出钢轨桩的弯矩、正应力和抗滑力。
For rail anti-slide piles, the bending moment, normal stress and anti-slide force of rail anti-slide pile are calculated inversely based on flexure deformation measured by inclinometer.
同时,论文还研究整理了病毒的常见反检测技术,包括隐藏、反跟踪、变形等。
The virus anti-detecting technology has been collected, such as hiding, anti-tracing, and polymorphism.
同时,论文还研究整理了病毒的常见反检测技术,包括隐藏、反跟踪、变形等。
The virus anti-detecting technology has been collected, such as hiding, anti-tracing, and polymorphism.
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