Mesoscopic damage size on the top of crack is analysed, the effective stress strength factor is defined, the mode I crack damage fracture criteria is presented.
The concept of fly ash-saturation was put forward based on the index of maximum compressive strength and optimal unit strength factor of fly ash in cementing materials, respectively.
分别以砂浆抗压强度、粉煤灰单位强度因子为指标研究了砂浆体系中粉煤灰的最佳掺量范围。
Using the LFEM theory, the author provided the computing method of stress strength factor of crack and the criteria of crack instability propagation and propagation angle.
Geological methods mainly include curvature method, structural stress modeling and strength factor computation of fault stress.
地质预测法主要有曲率法、构造应力场模拟法、断层应力强度因子计算法;
The LIF intensity is a function of the initial molecular state multipoles, the line strength factor and the dissociation excitation geometrical factor.
激光诱导荧光强度是光碎片分子初始态多极矩、线强度因子和解离—激发几何因子的函数。
The reasonable widths of backup strip are experimented with the strength factor of the welded seam for a particular kind of PVC/PES.
PES背贴焊接缝合试验,得到了应力-应变曲线、背贴条宽度、焊接缝合强度系数;
A computation program has been developed, using a two dimension boundary element method, for calculation of stress strength factor at the welding crackle tip.