给出了脱层屈曲临界载荷、挠度曲线与脱层半径、搭桥因子等的封闭关系式。
The closed form solutions of the critical load and the deflection contour of the delamination buckling decided by delamination radius, and the bridging factor are obtained.
用能量法求解了绑结层合板和编织层合板等3d复合材料中纤维搭桥的椭圆形表面脱层屈曲问题。
By using energy method, the problem is discussed of the delamination buckling of a fiber bridge elliptical surface made of stitched laminates and woven laminates with 3d composites materials.
屈曲临界载荷随着纤维刚度系数的增大而增大，脱层屈曲的临界载荷与纤维刚度系数近似成线性关系。
The relationship of critical buckling load and fiber bridge stiffness are approximately linear. The greater the fiber bridge stiffness, the smaller the buckling region.
脱层区域假定为椭圆形状，本文研究了在双轴载荷作用下对称正交铺设层板脱层屈曲的临界载荷，脱层厚度、半轴比、子层角以及载荷比对临界载荷的影响均进行了研究。
The delamination is assumed to be elliptical in shape. In this paper the critical load of delamination buckling for a symmetric cross-ply laminate acted on by biaxial load is investigated.
考虑脱层壳的三种不同屈曲模态，分析了边界条件、脱层长度、深度对脱层壳屈曲载荷的影响；
Three difference buckling modes of delaminated shell were considered. The influence of boundary condition, length and depth of delamination on buckling load was analyzed.
然后由变分原理并进行线性化得出了含内埋圆形或椭圆形脱层板的屈曲特征方程。
Then, buckling characteristic equations for laminates with built-in circular or elliptical delaminations are derived by using the variational principle and linearized method.
最后由屈曲方程计算含内埋矩形脱层壳的屈曲载荷和屈曲模态。
Finally, buckling load and mode can be calculated from the characteristic equation.
本文通过四点弯曲试验研究了含脱层的蜂窝夹芯板在纯弯载荷作用下的局部屈曲模式和破坏模式，指出局部屈曲模式是跳跃失稳模式。
The modes of local buckling and general failure for honeycomb sandwich plates under pure bending loads are studied through four-point bending tests.
分析了不同径厚比、边界条件及脱层长度、深度、位置对脱层壳屈曲载荷的影响。
The influence of different ratios of radius to thickness, boundary condition and length, depth and po…
对不同的脱层损伤尺寸，层合板分别有整体、混合和局部三种屈曲模态，穿透脱层和埋藏脱层的层合板其临界载荷的变化规律是相同的。
The change in critical load value of both composite laminate plates with embedded and through-width delamination shows the same pattern for various delamination size.
讨论了不同脱层深度和脱层半径对层合圆板的屈曲及后屈曲特性影响，且与有关文献的结果进行了比较。
The effects of delamination depth and radius on buckling and post-buckling of the laminated circular plates are discussed. Numerical results are compared with available data.
讨论了椭圆脱层形状、脱层深度、铺设材料等因素对脱层层合圆板屈曲及后屈曲性能的影响。
Then, the effects of elliptical delamination size, delamination depth and material properties on buckling and post-buckling of the laminated circular plates are discussed.
讨论了椭圆脱层形状、脱层深度、铺设材料等因素对脱层层合圆板屈曲及后屈曲性能的影响。
Then, the effects of elliptical delamination size, delamination depth and material properties on buckling and post-buckling of the laminated circular plates are discussed.
应用推荐