1) modified virtual crack closure technique
改进的虚裂纹闭合技术
1.
Firstly,based on the method of successive linearization by incremental load,a modified virtual crack closure technique has been proposed,in which both material and geometric nonlinearity are considered.
通过分析和讨论,得到了以下结论:(1)改进的虚裂纹闭合技术可以同时考虑构件材料非线性和几何非线性的特征,计算方法简便。
2) virtual crack closure technique
虚裂纹闭合技术
1.
The energy release rates of different crack paths at interfaces were estimated by using virtual crack closure technique(VTTC).
采用虚裂纹闭合技术(VCCT)计算了基体裂纹在界面处不同传播路径的能量释放率,并结合基于能量释放率的裂纹偏转准则对陶瓷基复合材料基体裂纹偏转进行了研究。
3) modified virtual crack closure technique(MVCCT)
改进的虚拟裂纹闭合方法
1.
In this paper,on the basis of the conventional three dimensional VCCT,a modified virtual crack closure technique(MVCCT) for three dimensional linear fracture mechanics analysis is presented,which is required to open one element face area whose shape is arbitrary and finite element widths are unequal acros.
本文对现有的虚拟裂纹闭合方法作了改进,即应用本文改进的虚拟裂纹闭合方法求解三维裂纹体应力强度因子时,裂纹前缘的裂纹面可以是任意形状,且裂纹前缘的有限元单元宽度可以不等。
4) VCCT
虚拟裂纹闭合技术(VCCT)
5) virtual crack closure technique
虚拟裂纹闭合技术
1.
Analysis of strain energy release rate based on virtual crack closure technique
基于虚拟裂纹闭合技术的应变能释放率分析
2.
The commercial FEA software ANSYS/LS-DYNA with the virtual crack closure technique is employed to calculate the dynamic stress intensity factor history curve of the specimen,which take the load-time history obtained by Hopkinson bars as input data,and the value of the dyna.
将不同SHPB入射杆形状产生的载荷-时间历程曲线作为动态有限元模型的载荷信息,采用ANSYS/LS-DYNA有限元软件,基于虚拟裂纹闭合技术(VCCT)计算得到三点弯曲试样的动态应力强度因子变化曲线,曲线上起裂时间对应的值即为材料的动态断裂韧度。
3.
The strain energy release rate of the crack propagation was calculated by using virtual crack closure technique,and fatigue life was forecasted.
采用虚拟裂纹闭合技术计算裂纹扩展的应变能释放率,并对裂纹扩展寿命进行计算。
6) virtual crack closure technology(VCCT)
虚裂纹闭合技术(VCCT)
1.
SERR for delamination problems were calculated by using modified virtual crack closure technology(VCCT).
通过基于虚裂纹闭合技术(VCCT)的重合网格法(S-FEM),分析了不同铺层角度及裂纹间距对应变能释放率的影响。
补充资料:改进
改变旧有情况,使有所进步:~工作ㄧ操作方法有待~。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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