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动态载荷作用
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  dynamic loadings
     NUMERICAL SIMULATION ON SPLITTING FAILURE MODE OF ROCK UNDER STATIC AND DYNAMIC LOADINGS
     静态和动态载荷作用下岩石劈裂破坏模式的数值模拟
短句来源
     The paper presents the method and procedures of using the SAFEHULL system to the three-dimensional finite element elasticity analysis for the 150 000 dwt tanker to obtain the stress distribution among the structural elements under dynamic loadings and having it verified by ABS strength calculations.
     本文详细阐述了采用SAFEHULL系统实施三维有限元强度分析,得到15万吨油船在动态载荷作用下构件的应力分布,并根据ABS规范核核强度的方法。
短句来源
  “动态载荷作用”译为未确定词的双语例句
     Under the dynamic loads mentioned in the paper, it is found that the axial displacement of the cylindrical shell at the impact point is more than that at the middle. And the axial displacement of the cylindrical shell imposed by the rectangular loading is the most, that imposed by the triangular loading is the least.
     计算发现圆柱壳在受文中三种动态载荷作用时,圆柱壳撞击端的轴向位移大于圆柱壳中间点的位移,且矩形载荷作用时圆柱壳的轴向位移响应最大,三角形载荷作用时圆柱壳的轴向位移响应最小。
短句来源
     The research conclusions have important theoretical significance for us to analyze rheological dynamic response and stability,rheology dynamic mechanism of leading geological disaster,and also for us to keep geotechnical engineering security.
     研究结论对分析动态载荷作用下软土流变力学响应与稳定性,探索软土加速流变并导致岩土地质灾害的动力学机制等具有重要的理论意义,对维护岩土工程的安全性等具有重要的工程意义。
短句来源
     The dynamic rheologic mechanics parameters of soft rock-soil are tested under dynamic loading,the dynamic rheologic mechanics model of soft rock-soil is established and the rheologic equation is deduced.
     测试了软弱岩土在动态载荷作用下的动态流变参数,建立了动态流变力学模型,推导出新的流变方程。
短句来源
     An algorithm is presented for the calculations of dynamic J integral and dynamic stress intensity factor.
     目的针对动态载荷作用下稳态裂纹的线弹性断裂问题,提出一种动态J积分和动态应力强度因子KI的数值计算方法.
短句来源
     Numerical Simulation on Breakage of Rock Particles under Dynamic Loading
     动态载荷作用下岩石颗粒破裂过程的数值模拟
短句来源
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  相似匹配句对
     Dynamic Response of Cable Bridge under Shock Load
     索桥在冲击载荷作用下的动态响应
短句来源
     DYNAMIC ANALYSIS OF RESPONSES OF AN UNDERGROUND ARC STRUCTURE TO EXPLOSIVE LOADING
     爆炸载荷作用下地下拱形结构动态分析
短句来源
     DYNAMIC RESPONSES OF A SKIN LAYER TO A SURFACE CYALIC PRESSURE
     皮肤层在周期性载荷作用下的动态响应
短句来源
     Pesearch on dynamic response of human spines to impact loading
     人体脊柱在冲击载荷作用下的动态响应研究
短句来源
     SUPERCRITICAL DYNAMIC RESPONSE OF SPHERICAL SHELLS IMPACTED BY A MISSILE
     球形壳在撞击载荷作用下的超临界动态响应
短句来源
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  dynamic loadings
A finite element-based reliability analysis approach is proposed to estimate the risk of structures under short duration dynamic loadings including seismic loading in the time domain.
      
This work presents a hybrid fuzzy-goal multi-objective programming scheme for topological optimization of continuum structures, in which both static and dynamic loadings are considered.
      
Numerical results are presented in diagrams to show the wave propagation on the surface due to the dynamic loadings, and the wave front singularities in the displacement components are particularly discussed.
      
A theoretical study of the local elastodynamic stresses of woven fabric composites under dynamic loadings is presented in this article.
      
The development of material laws for concrete subjected to highly dynamic loadings is a topic of current research.
      
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This paper presents the principle and Techniques of slain/stress modal analysis. The basic idea is that the strain field response can be regard as a superposition of the so called strain modes multiplied by corresponding time-dependent modal coordinate. The strain mode and the associate vibration displacement mode depend to the characterislics of structure, According to this idea, the strain response prediction modal model and the associate parameter identification Techniques are developed. The frequency response...

This paper presents the principle and Techniques of slain/stress modal analysis. The basic idea is that the strain field response can be regard as a superposition of the so called strain modes multiplied by corresponding time-dependent modal coordinate. The strain mode and the associate vibration displacement mode depend to the characterislics of structure, According to this idea, the strain response prediction modal model and the associate parameter identification Techniques are developed. The frequency response function of strain can be measured directly by slrain gauges, then the strain modes and the modal parameters are identifed by curve fitting. As an example, the strain modes of a cantilever with a crack are analyzed. The results show that slrain mode shape is more sensitive to the crack than displacement mode.

本文给出了结构动态应变/应力分析的模态分析原理和方法。其基本思想是:结构在承受动态载荷的作用时,其应变场可用所谓“固有的模态应变场”按某种比例的叠加来表达。固有模态应变场(简称应变模态)对应于结构的固有振动位移模态,并取决于结构的动特性。根据这一思路导得的应变响应预测模型以及固有应变模态和相应的模态参数识别方法,我们称之谓应变模态分析。按本文发展的方法,可以通过电阻应变计直接测量应变频响函数,然后用曲线拟合法求取应变模态及模态参数。给出的实例说明,应变模态对于结构的局部变化较为敏感。

Abstract An experimental study on internal ballistic performance of an impulsive SRM with a large value of L  for a middle way guidance system of a long range rocket has been completed at a dynamic ground test,such as static firing test,dynamic spinning test and ambient temperature limitation test.The tests show a good agreement of experimental data with the predicted ones.It is indicated from experimental results that the major performance...

Abstract An experimental study on internal ballistic performance of an impulsive SRM with a large value of L  for a middle way guidance system of a long range rocket has been completed at a dynamic ground test,such as static firing test,dynamic spinning test and ambient temperature limitation test.The tests show a good agreement of experimental data with the predicted ones.It is indicated from experimental results that the major performance of the impulsive SRM meets the requirements of dynamic testing with the rocket guidance system,but also is associated with some evident features of the impulsive SRM with large value of L .

运用三维有限元和齿根局部网格密化技术提出了一套计算斜齿轮啮合过程齿根弯曲应力的方法。根据齿轮系统动态特性分析,求得作用在轮齿上的动载历程,计算了在动态载荷作用下的齿根应力分布。通过斜齿轮齿根动应力实验,说明了本文方法的有效性。给出了啮合过程中齿宽不同截面上的动应力分布形态,讨论了转速和扭矩对齿根动应力的影响。

An apparatus has been developed to study Stress-Generated Potentials(SGPs)of bone, which can be used to measure both the static elestromechanical property and the dynamicbehavior of the bone.The resultS obstained by the deviCe indicated the main origin of SGPs inwet bone is the piezoelectricity.

本文设计了一种研究骨力─电性质的测试装置。它既用来测量骨的静态力─电性质,又可用来测量骨的动态力─电性质。利用本装置对湿骨试件进行了测试,发现湿骨中压电效应也起作用。从实验上证明了在动态载荷作用下湿骨中的力─电电位主要来源于压电效应。

 
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