three point bending specimen

An application of the finite difference method to the propagating crack and fracture problems in the three point bending specimen of concrete is presented on the basis of the fictitious crack model.

本文用有限差分法于虚拟裂缝模型，分析了混凝土三点弯曲切口梁中裂缝的扩展至断裂的全过程。

TRENDS DYNAMIC The Dynamic Response of Stress Intensity Factor of Three-Point Bending Specimen

三点弯曲试样应力强度因子的动态响应

On the Crack Tearing Propagation in Three--Point Bending Specimen

三点弯曲试样裂纹撕裂扩展的研究

Combining experimental and numerical simulation methods, the effects of weld-joint strength matching on the crack tip opening displacement ( CTOD) of three point bending specimen are investigated.

利用试验研究和数值分析方法，对模拟焊接接头三点弯曲试样不同强度组配对裂纹尖端张开位移（CTOD）的影响进行了研究。

Vibration analysis method used for determining the dynamic stress intensity factor of three-point bending specimen

三点弯曲试样动应力强度因子求解的振动分析方法

The distributions of stress and strain ahead of a precrack tip in three point bending specimen are calculated by finite element method and the fracture surfaces, the micro-cavities and micro-cracks in the vicinities of the precrack tip are also observed.

对三点弯曲预裂纹试样断口形貌、裂尖附近微孔及残留裂纹进行了观察，并用有限元方法计算了裂尖应力应变场。

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。

Computer Simulation on the Three Point Bending Test of Concrete Specimen

混凝土三点弯曲试验的计算机模拟

Dynamic crack tip open displacement COD and a crack extension Δ a for three point bending specimen are obtained by calculating.

通过计算得到三点弯曲试样的动态裂纹尖端张开位移COD以及动态裂纹扩展量Δa，在此基础上得到裂纹动态起裂点。

Sress Intensity Factors for Cracked Three Point Bending Specimen of Functionally Graded Materials

功能梯度材料开裂三点弯曲试件的裂纹端应力强度因子