The history and advance in the researchs of the dynamic response and buckling of cylindrical shells under axial impactloading are reviewed comprehensively at first.
首先回顾了圆柱壳在轴向冲击载荷作用下的动力响应与动力屈曲的研究历史和当前进展。
2
Dynamic constitutive properties of concrete material play important roles in the analysis of concrete structures subjected to impactloading.
混凝土材料的动态本构关系对冲击载荷作用下的混凝土结构分析很重要。
3
To drill soft, unconsolidated, usually shallow formations by eroding the "rock" below the bit by hydraulic impactloading alone.