用两种不同的双拉成形技术获取成形极限曲线。
Forming Limit curves (FLCS) are constructed by two different kinds of shrinking methods in the paper.
描述包装产品的破损极限曲线，必须借助冲击机进行冲击试验。
The damage boundary curve of packed products could be described with the help of the shock test by impact machine.
试验结果表明：加载应变路径的变化会影响成形极限曲线的高低。
It is shown that the change of loading strain path will affect the forming limit curve.
这一类细分模式在满足极限曲线的光滑性外，还具有保持初始多边形形状的优良性质。
The new four kinds of subdivision schemes is not only to keep smooth of limit curve, but also has excellent quality of keeping shape of initial polygon.
成形极限图通常是通过钢模胀形试验测得，实际测量的成形极限图与ASAME自动应变测试分析系统模拟计算的成形极限曲线吻合较好。
FLD is usually measured with swell test in rigid die. The tested FLD is good fit that one measured by analogue computer in ASAME (Automated Strain Analysis and measure Environment).
用通俗的说法，陡的学习曲线表明同等量的学习需要付出很大而且还在增大的努力，即达到了自然极限。
A "steep" learning curve, in colloquial usage, usually means experiencing a large and increasing amount of effort for a constant amount of learning, i.e. approaching a natural limit.
Vix指数表示该曲线的短期极限值。
结果表明，成形极限应力图不受应变路径影响，对于同一失稳准则，在不同加载应变路径下几乎为同一条曲线。
The result shows that FLSD is independent of strain path, and that the FLSD under different strain paths are almost the same curve according to the same instability theory.
该理论不仅可以给出复合材料的初裂强度和极限强度，而且还能给出复合材料的应力-应变曲线。
Not only the strength at first crack and ultimate strength can be calculated, but the stress-strain curve of composite material can be established.
然而由相对应温度之极限强度所无因次化的应力-振次曲线混在一起，而它们在高于105振次后会分开。
However, the normalized S-N curves, by the corresponding ultimate strength at specific temperature, become mixed together. They are separate at least over 105 cycles.
单桩静载荷试验的试验环境虽然对极限承载力影响较小，但是对试桩的荷载位移曲线的影响是不可忽视的。
Although there is little effect to limited capacity by circumstance of load test, yet is not ignore effect to the P-S curve of single pile.
除对使用荷载阶段进行研究和给出计算的结果外，也给出弯矩-曲率全曲线和极限变形的计算。
Besides the research and calculation materials for the stage of working load, the complete moment-curvature curve and the calculation of ultimate deformations are provided too.
试验中，观测了试件的破坏全过程及破坏形态等，记录了荷载—位移滞回曲线、开裂荷载、极限荷载、箍筋和纵筋的应变等数据。
The failure process and mode has been observed, and load-displacement curves, cracking and ultimate load, and the strain of longitudinal and transverse steels have been recorded.
在利用共稳理论对实际应力应变曲线进行分析的同时，得出了求作板材成形极限图的新方法。
By analyzing the real stress - strain curve with theory of plastic instability and using this testing method, another form of the forming limit diagram has been found.
因此，含有这种对称网格带的多面体网格的细分极限曲面即为满足曲线插值约束的细分曲面。
As a result, the limit surface of the polygonal mesh containing the symmetric zonal meshes is the subdivision surface satisfying the curve interpolation constrains.
理论分析证明，高速公路曲线半径临界值应采用极限最小半径。
Theoretical analysis proved that the curve radius critical value of free way should be adopted by the limit of minimum radius .
列出了三种钢筋循环应力应变曲线的实测结果和疲劳极限的估值区间。
Both the measured results of the cyclic stress-strain curves of three kinds of rebars and their estimated intervals of fatigue limit are listed in the paper.
要求外推曲线依概率平滑通过相应的概率疲劳极限点。
The extrapolated curves are required to pass through the fatigue limits on a concurrently probabilistic sense by the Basquin equation.
系统地计算了从轻到重的一系列元素极限温度的同位素分布，并从中抽取出热核的热稳定曲线。
We systematically calculated the isotope distributions of limiting temperatures for a series of nuclei from light to heavy nuclei, and obtain a thermal stability line for hot nuclei.
对确定稠油油藏水驱曲线方法的极限含水率进行了研究，建立了含水率与平均单井日产油关系式。
And limited water cut of heavy oil reservoir by water flood curve method is studied, establishing the correlation of water cut vs average oil production of single well.
此外，还对密度曲线的极限状态作了深入研究，证明了当第二个参数趋于无穷大时密度曲线的变化具有一定的稳定性。
Besides, this paper studies the limit state of density curve deeply, proves a certain stability of the changes of density curve when the second parameter tends to infinitely great.
还根据所得寿命分布作出了D型V带的P-S-N曲线，并据此推断出极限应力的分布规律可以用威布尔分布或正态分布描述。
Furthermore, the P-S-N curves of D type V belt are plotted and the distribution of limit stress are deduced.
研究结果表明，混凝土早期自收缩大小与相应的极限拉伸应变具有显著的二次曲线关系；
Research results show that the relationship between autogenous shrinkage at early ages and ultimate tensile strain can be approximately figured by a quadric equation.
于是我们提出把极限衰减曲线作为检验观测脉冲是否是多普勒效应作用下的结果的一个标准。
We accordingly propose to take the marginal decay curve (whose function is simple) as a criterion to check if an observed pulse could be taken as a candidate suffered from the Doppler effect.
通过分析各参数对传递函数的影响，认为桩土间的极限位移是双曲线传递函数的主要参数。
By discussing the influence of various parameters on transfer function in this model, it was considered that the limit displacement among pile-soil was a main parameter in transfer function.
在此误差曲线的基础上，以实际评价过程能够接受的置信程度为标准，确定小样本方法的评价极限，取得了很好的效果。
On the basis of the error curve, with the accepted degree of confidence as the standard, the evaluation limitation for small sampling method was...
本文在分析总结经验法和极限平衡法等理论计算方法的基础上，从快速载荷试验曲线预测的角度对强夯碎石墩的极限承载力进行了研究。
Based on the analysis and conclusion of the theoretical methods, research has been made on the ultimate bearing capacity of gravel stake by predicting the entire curve of fast load test.
文章阐述了求有理函数曲线的渐近线，不仅可用常规的通过求极限值的方法来确定，还可用初等方法来确定。
This article elaborates the solution of asymptote of rational function curve, pointing out both the common way of finding limit value and the elementary way.
文章阐述了求有理函数曲线的渐近线，不仅可用常规的通过求极限值的方法来确定，还可用初等方法来确定。
This article elaborates the solution of asymptote of rational function curve, pointing out both the common way of finding limit value and the elementary way.
应用推荐