By numerical analysis of the impact energy and static indentation force under the same dent depth, a new equivalent formula is set up, which corresponds well with the results of the tests.
对相同凹坑深度下的冲击能量与准静态压痕力进行了数值分析，并提出了冲击能量与准静态压痕力间的等效性公式。
Relation between the dent depth and the impact energy indicates that the variation of pit depth is consistent with the energy, and detailed analysis of damage distribution and size was conducted.
冲击凹坑深度与冲击能量的关系表明，凹坑深度的变化是与冲击能量的变化过程相适应的，在此基础上对损伤的分布形式及大小做了详细的分析。
The evaluation factors included the diameter and diameter fluctuation of nugget, the depth of dent, and the appearance of nugget as well as the weighing of each factor was assigned.
取焊点直径、焊点直径波动、压痕深度及焊点外观为评判因素集，并制定了各因素的权重分配集。
Finally, the effect of different maximum depth and length of the dent on the fatigue life of dented riser under the constant amplitude fatigue loads was studied.
最后分析在恒幅疲劳载荷作用下，不同的最大凹陷深度和凹陷影响区域的长度对楔形凹陷立管的疲劳寿命的影响。
The results showed that:fatigue life significantly reduced as the maximum depth of dent increase;
结果表明：最大凹陷深度的增加使立管的疲劳寿命大大减少；
The results showed that: similar to the wedge dented riser, ultimate strength reduced significantly as the maximum depth of the spherical dent increased;
结果表明：和楔形凹陷损伤立管一样，随着凹陷深度的加大，立管的极限强度明显减小；
The following parameters, dent-depth, initial crook, slenderness ratio and diameter-thickness ratio, are considered and their influence on ultimate bearing capacity is analyzed.
分析了凹陷深度、初弯曲、长细比和截面径厚比等参数对杆件极限承载力的影响，讨论了上述参数对荷载-轴向缩短关系的单独影响和综合影响。
The following parameters, dent-depth, initial crook, slenderness ratio and diameter-thickness ratio, are considered and their influence on ultimate bearing capacity is analyzed.
分析了凹陷深度、初弯曲、长细比和截面径厚比等参数对杆件极限承载力的影响，讨论了上述参数对荷载-轴向缩短关系的单独影响和综合影响。
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