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load wave
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  加载波形
     The Influence of Load Wave on the Rate of Fatigue Crack Growth in Axle Steel
     加载波形对车轴钢疲劳裂纹扩展速率的影响
短句来源
     Using the technology of the electrical potential method to measure the crack lengths,we discuss the effect of load wave on the rate of long and short fatigue crack growth in axle steel.
     采用电位法裂纹测量技术与断口形貌分析相结合,讨论了加载波形对车轴钢长、短裂纹扩展速率的影响。
短句来源
     Hopkinson bar has many prominent advantages,such as simple structure,easy operation,accurate measurement and easy-controlled load wave. It has been widely used in the test of the dynamic compression and tensile performance of the composites. Hopkinson theory and its related factors are discussed in this article.
     霍普金森杆具有结构简单、操作方便、测量方法精巧、加载波形易控制等优点,已经被广泛的用来测试复合材料的动态压缩、拉伸等性能,本文详细介绍了其原理、影响因素,以及这套装置在复合材料测试中的应用和发展。
短句来源
  负荷波
     The original physique wave was overlapped by outer load wave of same frequency and finally reached its peak at the mement of competition.
     使得运动员原来固有的体力波线,由于外界不断增长的相同频率的“负荷波”的叠加而改变,并逐步形成一条合成的波动曲线,这一波线在比赛时能达到运动能力的最高峰。
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  “load wave”译为未确定词的双语例句
     2)there exists a critical value of pulse duration ratio of load wave  c,where R s q will be greatest.
     ( 2 )对应于某一载荷波形占空比c,Rsq 最大 ,当载荷波形占空比小于c 时 ,Rsq 将随的增加而迅速增加 ;
短句来源
     On the basis of analyzing the load wave during boring the inside wall of super long pipes and applying the fuzzy control technique of self-tuning parameters, the fuzzy controller for the system is developed and it can regulate the parameters rapidly on line.
     在分析超长管内壁镗削载荷波动的基础上,应用参数自整定模糊控制技术,开发了该系统的 模糊控制器,实现了在线快速调整参数。
短句来源
     The simulation curves and the effect of working in practice show that the swing of load wave dur-ing boring can be reduced to the lowest level and the system is in a stable and reliable situation.
     仿真曲线及实际运行效果表明,切削载荷波动幅度降到了最 低限度,系统运行稳定可靠。
短句来源
     Quasi static load, wave moment composing, main methods of linear and nonlinear hydroelasticity,symmetry and unsymmetry response, frequency/time domain solutions, slamming response, random wave load are discussed systematically.
     讨论了准静态载荷、波浪弯矩组成成分、线性和非线性水弹性理论的主要方法 ,对称响应和反对称响应、频域和时域求解方法 ,以及砰击响应、随机波浪载荷 .
短句来源
     But it is also observed that in cases that the load wave number n is small or the constraints on slope are moderate, design obtained from initial design of uniform thickness destribution seems to be a globally optimal one.
     但当外荷载沿环向变化较慢时,或对板的厚 度变化斜率加上比较严的限制时(这种限制在工程上是比较合理的),从均匀厚度的 初始设计出发进行叠代收敛到的最后设计极可能是一个全局最优解。
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  相似匹配句对
     Characters of Internal Wave and Its Load
     海洋内波的特性和内波荷载
短句来源
     The Study of Analysis for Wave Load on Hydraulic Structure
     水工建筑物波浪荷载分析研究
短句来源
     WAVE RUNUP
     波浪爬高
短句来源
     Load Balance
     负载均衡技术浅析
短句来源
     INFORMATION WAVE
     信息短波
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  load wave
Decay of the elastic precursor of a plane load wave and its relation to parameters of the equation of state
      
Relationship between the electric signal in a conductor-dielectric-conductor system and the parameters of a plane load wave
      
The tests were carried out at a 5 Hz frequency, with a sinusoidal load wave form and at a stress ratio of R=min/max=0.1.
      


The present paper studies the problem of optimizing thin, solid elastic plates with limited slope of thickness functions. Starting from randomly ge- nerated initial designs, an algorithm based on optimality criterion leads to different, locally optimal designs. It is further discovered that the compliance functional is not a convex functional, and the existence of locally optimal de- signs is inevitable. But it is also observed that in cases that the load wave number n is small or the constraints on slope...

The present paper studies the problem of optimizing thin, solid elastic plates with limited slope of thickness functions. Starting from randomly ge- nerated initial designs, an algorithm based on optimality criterion leads to different, locally optimal designs. It is further discovered that the compliance functional is not a convex functional, and the existence of locally optimal de- signs is inevitable. But it is also observed that in cases that the load wave number n is small or the constraints on slope are moderate, design obtained from initial design of uniform thickness destribution seems to be a globally optimal one.

本文研究在对板的厚度函数斜率加上限制的条件下实心弹性环板的最小柔顺性 (或最大刚度)设计。从随机地产生的不同初始设计出发,以最优准则为基础的叠代 算法收敛到不同的局部“最优”设计,进一步发现,柔顺性(Compliance)泛函不 是一个凸泛函.必然存在多个局部极值。但当外荷载沿环向变化较慢时,或对板的厚 度变化斜率加上比较严的限制时(这种限制在工程上是比较合理的),从均匀厚度的 初始设计出发进行叠代收敛到的最后设计极可能是一个全局最优解。

In this paper, using the finite element method, we calculate the three-dimensional temperature field of constant impedance disk loaded wave guide in the 200MeV linear accelerator for several cooling structures and put forward the optimal, possible cooling structure and paraments for engineering design.

利用有限元方法,对采用等阻抗盘荷波导的200MeV直线加速器进行了三维温度场理论计算,探讨了多种冷却结构的温度场情况,提出了最佳的、可行的冷却结构及其工程设计参数。

In order to achieve an optimum thermal regulating design, it's necessary tounderstand the dynamic response of thermal regulsting in addition to the study ofthree-dimensional temperature field in the disk-loaded wave guide of the 200MeVlinear accelerator. A mathematical model of distributed parameter dynamicresponse for thermo-regulating is presented, which assumes that the rate of heatflow a (x,τ) of the wave guide is separable into two variables. i. e. Q(x,τ) =φ(x).φ(τ)), with x the distance and...

In order to achieve an optimum thermal regulating design, it's necessary tounderstand the dynamic response of thermal regulsting in addition to the study ofthree-dimensional temperature field in the disk-loaded wave guide of the 200MeVlinear accelerator. A mathematical model of distributed parameter dynamicresponse for thermo-regulating is presented, which assumes that the rate of heatflow a (x,τ) of the wave guide is separable into two variables. i. e. Q(x,τ) =φ(x).φ(τ)), with x the distance and τ the time. Experimental data confirmedthe theoretical model.

国家同步辐射实验室的200MeV直线加速器,在空间上、时间上的恒温精度要求很高。除对空间上三维温度场研究外,还必须对热工调节对象动态特性有所了解,以便设计最佳调节系统。本文提出盘荷波导发热率θ(χ,τ)是距离χ的函数ψ(χ)和时间上τ的函数φ(τ)两者乘积的设想,在理论上推导出符合实验的分布参数的数学模型,从而设计了该工程用微机控制的最佳热工调节系统。

 
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