1) Total energy release rate
总能量释放率
2) delamination onset and growth
总能量释放率准则
1.
A numerical method was developed to study the delamination onset and growth characteristics during the post-buckling process for the delaminated composite advanced isogrid stiffened plates subjected to a uniform axial compressive load.
基于一阶剪切变形理论和Von-Karman几何非线性关系,提出了AGS结构后屈曲有限元分析模型;基于总能量释放率准则,并利用虚裂纹闭合法(VCCT)及自适应网格的生成和移动技术分析了分层损伤的扩展过程,在分析过程中考虑了分层前缘的接触效应。
3) energy release rate
能量释放率
1.
Analysis of energy release rate for delaminated composite plates after repair;
含层间分层复合材料层合板修复后能量释放率分析
2.
Simulation analysis on interfacial crack energy release rates in two materials structure and comparison with those in the single material;
两种材料中界面裂纹能量释放率的仿真研究及与单一材料裂纹比较
3.
FEM was improved with an effective virtual crack closure technique to evaluate the energy release rate as the criterion for crack propagation.
通过Newmark方法求解动力学方程,以能量释放率作为裂纹扩展准则。
4) energy releasing rate
能量释放率
1.
Based on the principle of energy superposition and by using the equivalent transformation for beam sections, an expression for calculating the energy releasing rate of interface crack growth in a sandwich beam specimen is developed, and the toughness for the interface of Si 3N 4/Al formed by vacuum diffusion method is measured by a particularly designed four point bending test system.
基于能量叠加和梁的等效截面转换原理，本文导出了计算Ｓａｎｄｗｉｃｈ梁试样界面裂纹扩展能量释放率的解析式，并利用专门设计的四点弯曲实验系统测得了Ｓｉ３Ｎ４／Ａｌ真空扩散连接界面的韧性，进而为优化陶瓷／金属连接工艺、筛选材料组配和评价其连接界面的抗断裂性能提供了必要的研究方法和实验手段。
2.
Finally,the structural fatigue cracking propagation is computed based on the Paris equation with regard to energy releasing rates.
根据Jonswap谱确定随机波浪功率谱,进而由同一功率谱使用Shinozuka方法计算生成10个随机波浪力谱,应用雨流计数法对波浪力谱进行循环计数处理,最后使用基于能量释放率的Paris公式方法对构件进行疲劳裂纹扩展计算。
5) strain energy release rate
能量释放率
1.
Based on the theory of strain energy release rate of fracture mechanics, the crack problem of mixed mode Ⅰ and mode Ⅱ crack for functionally gradient materials under plane strain is investigated.
基于断裂力学的能量释放率理论 ,研究了平面应变条件下梯度功能材料的Ⅰ ,Ⅱ型复合裂纹问题 。
2.
The strain energy release rate is studied along the delamination front.
在分析中引入接触元来防止层间的闭合接触效应,并进一步分析了分层前缘的能量释放率。
3.
As an example of axisymmetric elasticity problem, the analytic solutions of elastic field of cubic quasicrystal with a penny-shaped crack are obtained, and the stress intensity factor and strain energy release rate are determined.
作为轴对称问题的例子，得到了立方准晶含有圆盘状裂纹时其弹性场的分析解，并由此确定了应力强度因子和能量释放率。
6) energy release rates
能量释放率
1.
Study of energy release rates for crack deflection of ceramic matrix composites;
陶瓷基复合材料基体裂纹偏转能量释放率研究
2.
A failure criterion has been developed for mixed mode fracture based on the theories of energy release rates and has been used to analyze laminated failure of mixed mode cracks in composite materials.
将复合材料的混合裂纹看成为Ⅰ型裂纹和Ⅱ型裂纹的叠加,根据断裂力学中能量释放率的观点建立了混合裂纹的断裂准则,并用以分析复合材料混合裂纹的分层破坏现象。
补充资料：照射量与照射量率
分子式：
CAS号：
性质：照射量是指X或γ射线在质量为dm的一个体积元内，当光子产生的全部电子都被阻留在空气中所形成的一种符号的离子总电荷的绝对值dQ、除以dm，即照射量X=dQ/dm。SI单位为库仑每千克(c/kg)。专用单位为伦琴(R)，1R=2.58×10-4C/kg。照射量率定义为单位时间内的照射量。用X表示，X=dX/dt，式中dx为dt时间内照射量的增量。单位为库仑每千克秒[C/(kg·s)]。
CAS号：
性质：照射量是指X或γ射线在质量为dm的一个体积元内，当光子产生的全部电子都被阻留在空气中所形成的一种符号的离子总电荷的绝对值dQ、除以dm，即照射量X=dQ/dm。SI单位为库仑每千克(c/kg)。专用单位为伦琴(R)，1R=2.58×10-4C/kg。照射量率定义为单位时间内的照射量。用X表示，X=dX/dt，式中dx为dt时间内照射量的增量。单位为库仑每千克秒[C/(kg·s)]。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条