folding axis

Rock rheology and complexity of fractal folds;

分形褶皱复杂性的流变因素研究

Curvature analysis and fracture estimating of folds A case study of Wangchang fold in Jianghan Basin;

褶皱构造的曲率分析及其裂缝估算——以江汉盆地王场褶皱为例

There are 5 secondary folds lying in parallel in.

矿区内总体构造为一向西倾伏的宽缓向斜,倾角为1~3;°大型次级褶皱共有5条,均为宽缓褶皱,轴向在NWW—NW,平面上呈平行式分布;大中型断层11条,其中查明的有7条,均为张性正断层,走向近NW—SE向,延伸小于16 km,断距10~80 m,倾角55~80,°推测断层有4条,均为张性正断层,平面上呈雁列式分布。

Mechanism and analytic model of wrinkled geomembranes around circular structures subjected to differential settlement;

圆形构筑物周边土工膜沉降时的褶皱产生机理及分析模型

It has been experimentally indicated that moderate wrinkle will make a contribution to enhancing the formability of the dieless tube hydroforming.

介绍了管材无模轴压胀形的实验,研究表明,适度的褶皱有助于提高成形极限。

Texture feather analysis of the membrane wrinkling;

薄膜褶皱的纹理特征分析

Non-linear buckling finite element analysis of membrane wrinkling;

薄膜褶皱的非线性屈曲有限元分析

Therefore the wrinkling investigations have been the important problem in membrane structures.

膜结构是一种新型的建筑结构形式,其特点为所用膜材虽然具有很大的张拉强度,但不具有弯曲刚度,当承受压缩应力时膜面会发生局部屈曲,产生褶皱。