Based on this expression, The influence of impact velocity on the dynamic response of DSIF is investigated.
分析了冲击速度对应力强度因子动态响应的影响。
The dynamic stress intensity factor (DSIF) at the terminating point is defined in terms of the singular stresses at the point.
利用所得的奇性应力定义了裂纹和界面接触点处的动应力强度因子。
With development tools including Delphi 7 and SQL Server 2000, modular method is adopted in the DSIF design in order to make the software have the advantages such as manipulation facility, maintenance simpleness, good stability, better generality and expansibility.
DSIF软件以Delphi7和SqlServer2000等为开发工具，采用模块法设计思路，具有使用方便、维护简单、稳定性好、通用性强、扩展性好等特点。
Numerical calculations of dynamic stress/ntensity factor (dsif) of center-cracked plate under impact loading
带裂纹板在冲击载荷作用下动态应力强度因子的数值计算
In this paper, a simple formula is derived for calculating the dynamic stress intensity factor (DSIF) of three point bending specimen using dynamic crack opening displacement (DCOD).
给出了一种由裂纹的动态张开位移计算三点弯曲试样的动态应力强度因子的简单方法。
Numeral results of DSIF at radial crack tips of ellipse and square cavities are provided.
给出了椭圆孔和方孔孔边径向裂纹尖端动应力强度因子的数值结果，讨论了不同形状孔洞的存在对裂纹尖端动应力强度因子的影响。
Based on the problems, software of information fusion based on D-S evidence theory (DSIF) is designed and developed in the paper.
针对这些问题，本文设计、开发了基于D-S证据理论的信息融合计算分析软件（DSIF）。
The stress field near the crack subjected to impact loads was investigated. The main factors, which have effect on dynamic stress intensity factor (DSIF), are the size of the stress releasing zone and the distribution of the stress out of the release zone.
通过分析单一有限尺寸裂纹在应力波作用时的近裂纹面应力场，得出了影响其动态应力强度因子的主要因素是应力释放区大小以及应力释放区外的应力分布。
The dynamic stress intensity factor (DSIF) and the scattering of SH wave by circle canyon and crack are studied with Green's function.
采用Green函数方法研究了位于圆孔径方向上的任意有限长度的直裂纹对SH波的散射及裂纹尖端动应力集中因子的影响。
By the characteristics of information fusion based on D-S evidence theory, flow chart of information fusion computational analysis and the architecture of the DSIF are proposed.
同时，该文依据D-S证据理论信息融合的特点，给出信息融合计算分析流程图及DSIF的体系结构。
The results showed that the maximum DSIF decreased with increase of vehicle velocity, that the DSIF decreases by 21.6% when vehicle velocity changed from 40 km/h to 120 km/h.
结果表明，最大动应力强度因子随行驶速度的增加而减小，当行驶速度由40km/h增加至120km/h时，最大动应力强度因子减小了21.6%；