By simulative damage detection to the plane truss, it proves the feasibility of the methods of damage detection based on the flexibility difference curvature.
通过对平面桁架的模拟损伤识别，证实了基于柔度差值曲率法的损伤定位方法的可行性。
ANSYS is used to make the modal analysis of a plane truss structure model, then APDL is used to compile procedures to calculate flexibility difference curvature.
作者利用ANSYS有限元分析软件对一个平面桁架模型进行了模态分析，并用APDL语言编制程序计算该结构的柔度差值曲率。
If the adjacent cell curvature difference, clarify in this range, the surface distortion is very serious, if cut and sew in here is cut off again, then divide membrane block has a great arc here will.
假如相邻单元曲率相差很大，阐明在这个方位，曲面歪曲的很严重，假如裁剪缝在此处不切断重新开始，那么裁剪膜块的鸿沟在此处就会有很大的弧形。
The difference is due to the positive curvature of the surface.
不同之处就在于表面的正曲率。
The curvature image of fingerprint was calculated by using difference derivation, and the core point was searched complying with certain rules.
该算法利用差分求导的方法求得指纹的曲率场，并按照一定的规则搜索参考点。
Through the analysis and test of original serial program system, curvature computing and first difference, second difference etc. are defined as key objects.
通过对原串行程序进行分析与测试，确定了以曲率计算、第一次差分计算和第二次差分计算等为并行化的重点。
When the curvature is 0, we found that the difference between the phase field method and the finite difference method is very small.
我们发现与有限差分法相比较，在曲率为0，即边界为一条直线的时候，两者的差别很小。
It is founded that the size of curvature difference envelop curve can detect that of pre-stress losses.
发现可以通过模态曲率差的包络图面积，较好的反映出预应力损失程度的大小。
The bubble shape is changed gently because of the difference between radius of geometric curvature and radius required to equalize normal stress.
由于几何曲率半径和平衡正压力所要求的半径有差别，气泡形状要缓慢地变化。
The method that interactively extract feature points based on curvature difference break is proposed to complete extracting feature points.
提出了利用圆率线及圆率差分突变来交互拾取曲线特征点的方法，实现了特征点的识别和提取。
The difference in electrochemical stability of CNTs is attributed to the difference in CNT structure: the amount of defects and amorphous carbon and the carbon atom strain caused by the curvature.
根据不同直径CNT的缺陷位、不定型碳的丰度和碳原子的应力能，分析了其抗电化学氧化性差异的原因。
Due to the distinct difference in tensile and compressive properties, the position and deformation curvature of curved neutral layer will change with time for the! Strata in a creep state.
由于岩石材料抗拉与抗压性能的明显差异，使岩层受蠕变作用时，其弯曲中性层位置及变形曲率都将随时间变化。
Due to the distinct difference in tensile and compressive properties, the position and deformation curvature of curved neutral layer will change with time for the! Strata in a creep state.
由于岩石材料抗拉与抗压性能的明显差异，使岩层受蠕变作用时，其弯曲中性层位置及变形曲率都将随时间变化。
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