1) higher order weight function method
高次权函数法
1.
By making use of the complete eigenfunction expansion forms(EEF) in the interface crack problem and its pseudo orthogonal properties, the higher order weight function method is developed to calculate the expansion coefficients and the stress intensity factors of the interface crack.
从界面裂纹完备的特征展开式出发 ,利用伪正交特性 ,提出了计算界面裂纹特征展开式系数和应力强度因子的高次权函数法 。
3) the method of weighted function
权函数法
1.
By the use of the strain energy release rate criterion and the method of weighted function,the fracture enhancement of mixed-mode Ⅰ-Ⅱcrack in transformation toughened ceramics is predicated.
以应变能释放率判据为基础 ,采用压力敏感准则和权函数法对相变增韧陶瓷Ⅰ -Ⅱ混合型裂纹的增韧效应进行了理论计算 ,分别给出了静止裂纹和定常扩展裂纹相变塑性屏蔽的理论表达式。
2.
The fracture enhancement of mixed-mode II - III crack in transformation toughened ceramics was predicated by using the pressure sensitive transformation criterion and the method of weighted function.
本文采用压力敏感准则和权函数法对相交增韧陶瓷Ⅱ-Ⅲ混合型裂纹的增韧效应进行了理论预测。
3.
By the use of the pressure sensitive transformation criterion and the method of weighted function, the fracture enhancement of mixed-mode I-II crack in transformation toughened ceramics was predicated.
采用压力敏感准则和权函数法对相变增韧陶瓷Ⅰ-Ⅱ混合型裂纹的增韧效应进行了理论预测,分别给出了静止裂纹和定常扩展裂纹相变塑性屏蔽的理论表达式,并通过计算机进行了数值计算。
4) weight function
权函数法
1.
The weight function formulas are worked out and can be used for all kinds of depth of crack,materials,assemblage excess,size of combined thick wall cylinder to compute the stress intensity factors.
本文用权函数法导出了由套装应力引起的组合厚壁筒内边裂纹的应力强度因子公式 ,这些公式可用于计算组合厚壁筒在不同裂纹深度、材料、过盈量和尺寸情况下的应力强度因子。
2.
In this paper the formula of SIF for multiple asymmetrical cracks in partially autofrettaged thick-walled cylinder has been developed by weight function, and the SIF results for a wide range of crack geometry parameters and all amounts of autofrettage are eval.
本文推导了用权函数法计算这种裂纹的应力强度因子的计算公式 。
5) weighting function
权函数法
1.
Pressure-sensitivity criterion and weighting function method are applied to the theoreti-cal prediction of the toughening effect of the Ⅰ-Ⅲ mixed mode cracks of phase-changetoughened ceramics.
本文采用压力敏感准则和权函数法对相变增韧陶瓷Ⅰ-Ⅲ混合型裂纹的增韧效应进行了理论预测。
6) weighting function method
权函数法
1.
The estimate of the unknown function is proposed by LS and weighting function method,and the estimate of the unknown parameter is given by ridge estimation.
文章讨论中心化半参数回归模型,通过LS和权函数法结合给出回归函数的估计,并讨论其强相合性,再运用岭估计给出未知系数的估计,证明其优良性。
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