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动态应力强度
相关语句
  dynamic stress intensity
    THE FINITE ELEMENT METHOD AND THE SUPERPOSITION INTEGRAL METHOD FOR COMPUTING DYNAMIC STRESS INTENSITY FACTORS OF THICK WALLED CYLINDER
    计算圆筒动态应力强度因子的有限元方法与叠加积分方法
短句来源
    A STUDY ON THE DYNAMIC STRESS INTENSITY FACTOR OF THICK WALL CYLINDER WITH CRACKS
    带裂纹厚壁筒的动态应力强度因子研究
短句来源
    The loading state of specimen is important for calculation of the temporal evolution of dynamic stress intensity factor.
    试样的受力状态对动态应力强度因子历史曲线的确定具有重要影响。
短句来源
    in this paper the dynamic stress intensity factor of thick walled cylinder is computed. The finite element method for computing dynamic stress intensity factor is studied and reasonable computational schemes are provided. The superposition integral method is presented to compute dynamic stress intensity factor of thick-walled cylinder, which is convenient for computing dynamic stress intensity factors under the conditions of various dynamic inner pressures.
    本文计算了厚壁筒的动态应力强度因子,研究了有限单元法计算动态应力强度因子的几个主要问题,提供了合理计算方案,本文还提供了计算厚壁筒动态应力强度因子的叠加积分法,方便于各种动态内压下的动态应力强度因子的计算。
短句来源
  “动态应力强度”译为未确定词的双语例句
    The result indicates that the maximum of dynamical stress intensity factor arrives behind the load time and increases with the size of thick wall cylinder.
    结果表明动态应力强度因子的最大值在加载时间上有滞后性现象 ,它的最大值随厚壁筒尺寸增加而增加 .
短句来源
    Meanwhile, we find the dynamical stress intensity factor is bigger than the statical stress intensity factor under the same conditions.
    同时 ,发现动态应力强度因子比相应的静态应力强度因子大 .
短句来源
    Based on fractal theory, this paper analyses the fractal effect during the process of crack propagation and discusses the influence of fractal spreading on propagation velocity and on stress dynamic intensity factor of rock cracks. The reasons of the difference between the experimental data and the theoretical result of crack spreading in rock under explosion load are also explained satisfactorily in this paper.
    运用分形理论分析了造成这种差异的原因,讨论了裂纹扩展过程中的分形效应、裂纹的分形扩展对裂纹扩展速度以及动态应力强度因子的影响。
短句来源
    In addition,the crack propagating speed was obtained as well. The experimental results show that the dynamic intensity factor at the crack-tip and the propagating speed decreased dramatically while the cracks propagated through joint plane,but afterwards,the intensity factor enhances.
    实验结果分析表明,爆生裂纹穿过节理面时,裂纹尖端的动态应力强度因子和裂纹扩展速度显著下降,穿过节理面后,应力强度因子又有所增强;
短句来源
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  dynamic stress intensity
Dynamic stress intensity factors around two cracks near an interface of two dissimilar elastic half-planes under in-plane shear
      
As an example, the dynamic stress intensity factors around two cracks in a ceramic and steel bonded composite are numerically calculated.
      
The results of dynamic stress intensity factor show that increasing shear moduli's gradient of FGM or increasing the shear modulus in direction perpendicular to crack surface can restrain the magnitude of dynamic stress intensity factor.
      
The Analysis of Dynamic Stress Intensity Factor for Semi-Circular Surface Crack Using Time-Domain BEM Formulation
      
The time-domain BEM was developed to analyze the dynamic stress intensity factor (DSIF) of 3-D elastodynamic crack problems.
      
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in this paper the dynamic stress intensity factor of thick walled cylinder is computed. The finite element method for computing dynamic stress intensity factor is studied and reasonable computational schemes are provided. The superposition integral method is presented to compute dynamic stress intensity factor of thick-walled cylinder, which is convenient for computing dynamic stress intensity factors under the conditions of various dynamic inner pressures.

本文计算了厚壁筒的动态应力强度因子,研究了有限单元法计算动态应力强度因子的几个主要问题,提供了合理计算方案,本文还提供了计算厚壁筒动态应力强度因子的叠加积分法,方便于各种动态内压下的动态应力强度因子的计算。

We study stress intensity factor of thick wall cylinder with cracks under dynamic load. The result indicates that the maximum of dynamical stress intensity factor arrives behind the load time and increases with the size of thick wall cylinder. Meanwhile, we find the dynamical stress intensity factor is bigger than the statical stress intensity factor under the same conditions.

研究了动载荷作用下带裂纹厚壁筒的应力强度因子 .结果表明动态应力强度因子的最大值在加载时间上有滞后性现象 ,它的最大值随厚壁筒尺寸增加而增加 .同时 ,发现动态应力强度因子比相应的静态应力强度因子大 .

There is a big difference between the experimental data and the theoretical result of crack spreading in rock under explosion load. And the difference can not be explained qualitatively and quantitatively by the present dynamic fracture theory. Based on fractal theory, this paper analyses the fractal effect during the process of crack propagation and discusses the influence of fractal spreading on propagation velocity and on stress dynamic intensity factor of rock cracks. The reasons of the difference between...

There is a big difference between the experimental data and the theoretical result of crack spreading in rock under explosion load. And the difference can not be explained qualitatively and quantitatively by the present dynamic fracture theory. Based on fractal theory, this paper analyses the fractal effect during the process of crack propagation and discusses the influence of fractal spreading on propagation velocity and on stress dynamic intensity factor of rock cracks. The reasons of the difference between the experimental data and the theoretical result of crack spreading in rock under explosion load are also explained satisfactorily in this paper.

在爆炸荷载作用下,岩体裂纹扩展速度的实测值与理论分析值之间存在较大差异。采用当前的动态断裂理论尚不能定性和定量地解释实测值与理论值之间的差异。运用分形理论分析了造成这种差异的原因,讨论了裂纹扩展过程中的分形效应、裂纹的分形扩展对裂纹扩展速度以及动态应力强度因子的影响。

 
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