本文用有限元法研究机耕船船体的动态强度问题。
The dynamic strength of BTTM hull is studied with finite element method.
随着初始静态荷载的增加,混凝土的动态强度趋于减小。
With the increase of initial static load, the dynamic strength of concrete tends to reduce.
根据试验结果,将花岗岩的动态强度设计成随应变率变化的变量。
The granite dynamic strengths, which increase with the strain rate, are calculated from the existing test results.
混凝土的动态强度既与应变速率有关,也与应变历史等其它因素有关。
The dynamic strength of the concrete is related to the strain rate as well as to other factors such as strain history.
另外,探讨了海床砂土受到长、短波浪周期作用时,其动态强度特性。
The different loading periods of seabed soil were also simulated by dynamic triaxial test system.
实验结果表明,国产铀合金具有与钨合金相当的动态强度,是钨穿甲弹中弹芯材料的极好替代物。
Experimental results show that the dynamic strength of the DU alloy made in china is similar to tungsten alloy and this DU alloy could be used as the best substitutes for tungsten' alloys…
试件尺寸越大,岩石动态强度对应变率依赖的灵敏性越显著,所测得的岩石动态强度离散性越小;
The bigger the specimen size is, the more notable the sensitivity of rock dynamic strength dependence to strain rate is, and the smaller discreteness of the obtained rock dynamic strength is.
实验结果表明,动态强度与静态强度的比值为1.25 ~ 1.30,利用此关系可以估算材料的低温抗拉强度值。
The test result showed that the ratio of dynamic strength and static strength is 1. 25 ~ 1 '30, by which the value of low temperature tensile strength of material could be evaluated.
ChrisEng (veracode)说明了各种不同的安全测试方法,像静态、动态、手动的测试以及其中的细节,另外还谈到了各种方式的强度和局限性。
Chris eng (Veracode) explained the different security testing methods like static, dynamic, manual testing and fuzzing and the strengths and limitations of each of them.
本文通过对电阻点焊电极电压动态特性的分析,研究了低碳钢及低合金高强度钢电阻点焊的质量问题。
The quality of resistance spot welding of low carbon steel and high strength low alloy steel is studied by looking into the dynamic voltage characteristics of the electrodes.
在动态和强度大的课程中,使用有力并且更具动感产语调。
Be strong and more dynamic in your tone for dynamic and powerful classes.
三维裂纹在动态断裂力学中由于其数学和物理上的复杂性,求解其动态应力强度因子受到一定的限制。
Because of the complexity in mathematics and the physics, solving the three-dimensional dynamic stress intensity factors is certainly limit.
人们发现,动态应力强度因子的变化滞后于应力脉冲冲击几微秒。
The dynamic SIF variation was found to lag behind the stress - pulse impingement by several microseconds.
新型搅拌捏合机的数学模型建立、动态模拟及其强度分析均是本文研究的主要内容。
The mathematical modeling, dynamic simulation and its strength analysis of the new stirring kneader are the center contents of this paper.
机床主轴的设计除了要考虑其强度和刚度外,尚须考虑其动态特性。
In addition to the strength and rigidity, the dynamic properties of machine tool spindle should be considered.
结果表明,大理岩的动态拉伸强度随着应变率的提高而增加。
The results show that the dynamic tensile strength of marble is heightened with increasing strain rate.
用比拟的方法分析和计算了爆炸焊接条件下,爆炸复合材料结合区中塑性变形金属的动态屈服强度值。
This paper analysed and calculated the dynamic yielding strength of plastic deformed metal in the bonding zone of explosive welding composite material in the condition of explosive welding.
结果表明:晶内强度随碳化物动态析出量的增加而上升,高温塑性随之而降低。
The high-temperature ductility deteriorates and intra-granular strength increases with an increases of dynamic precipitation of carbide.
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。
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,本钢X70管线钢具有高强度、高抗动态撕裂能力、高低温冲击韧性以及低韧脆转变温度。
The results indicate that the X70 pipeline steel with acicular ferrite microstructure has high strength, high toughness, low transition temperature and high dynamic tear-resistance.
无论在什么时刻,裂尖处动态应力强度因子随裂纹的长度减小而减小,随板材料的功能梯度参数增大而减小。
The crack-tip dynamic stress intensity factors decrease with the decrease of the crack length and the increase of the functionally gradient parameter.
与结构静态强度问题不同,结构动态响应与设计变量的关系更为复杂,是高度非线性的。
Different from the problem on static intensity, the relation between structural dynamic response and design variables is even more complex, and is high nonlinear.
提出了获取脆性材料动态拉伸强度及弹性模量的实验步骤及相关记录数据的分析方法。
An experimental procedure and accompanying method for analyzing recorded data for deriving dynamic tensile strength and elastic modulus of brittle material is presented.
轻量化设计后的承载结构的强度、刚度及动态特性满足各项标准的要求。
After the lightening design, the strength, the rigidity and the dynamic characteristics of the bearing structure meet all standard requirements.
它比天然橡胶具有较好的抗挠曲开裂性能,但撕裂强度较低,动态模量较高。
It has a better flex cracking resistance than those of natural rubber but a lower tear strength and a higher dynamic modulus.
给出了瞬态的位移场和运动裂纹尖端的动态应力强度因子。
The transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.
它们的结果表明:钝切口比尖锐切口的动态应力强度因子增长率更快。
Their results showed a more rapid rate of increase in the dynamic sif for blunt than for sharp notches.
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。
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。
The loading state of specimen is important for calculation of the temporal evolution of dynamic stress intensity factor.
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