动应力强度因子

• It is discussed that the load period , the damp ratio of pavement , the temperature of asphalt concrete , the resilient modulus of semi - rigid base , the material parameters and thickness of the composite foundation have influence on the dynamic stress intensity factor and the vertical displacement
  探讨了荷载周期、道路结构体的阻尼比、沥青混凝土的温度、半刚性基层的回弹模量、复合地基的材料参数和厚度对动应力强度因子、特征点的竖向位移变化规律的影响。
• Numeral results of dsif at radial crack tips of ellipse and square cavities are provided . then the influences of different shape cavities upon the dsif at the crack of their edges are discussed . 5 . scattering of sh - wave by a radial interface crack at the edge of arbitrary - shape - cavity is studied
  给出了椭圆孔和方孔孔边径向界面裂纹尖端动应力强度因子的数值结果，讨论了在不同形状孔、不同入射波数、不同入射角和不同材料常数组合情况下孔边径向界面裂纹尖端动应力强度因子变化的规律。