提出了一种随机应力时间历程作用下构件疲劳可靠性分析的新模型。
A model for fatigue reliability analysis of structural members under random stress time courses is proposed.
网络训练的样本是用一个沿地震时间历程滑动的时间窗采样获取的。
The samples for training the network are constructed by a sampling window moving through the time history of earthquake.
计算了自由面的速度势、自由表面波高时间历程和物体受到的波浪力。
The potentials on the free surface, the time histories of wave elevations and wave forces on the body are calculated.
地震模型一般是应用人工地面加速度时间历程存在集来丰富地震记录。
Seismological models are generally used to enrich the existent sets of earthquake records with artificial ground acceleration time histories.
在水电站机组丢弃负荷情况下,利用特征线法计算管道内的水击荷载时间历程。
The time history of water hammer in pipeline in the condition of unit emergency load dump is calculated by characteristic line method.
一般而言,长时间历程复现试验大多需要能提供大承载、大推力的电液振动台。
LTHR vibration testing is generally implemented using by the electro-hydraulic shaker with high load-bearing and pushing force.
应用这些统计特征,可模拟出符合统计要求的基于非平稳时间历程的设计地震动。
Utilizing these statistical features, we can simulate the design ground motion founded on the theories of non-stationary time history.
这样就可以通过对脉动压力分布进行面积加权积分,得到脉动气动力的时间历程。
Therefore the time series of aerodynamic forces can be obtained by area-weighted integral of fluctuating pressure distributions.
《明史》纂修的时间历程甚长,在清顺治朝与康熙朝初期,官方的纂修成绩很小。
The compiling of the Ming History in the reign of Shunzhi and the early reign of Kangxi took along time and achieved so little.
以青马桥为例,将虚拟激励法的计算结果及效率与反应谱方法和时间历程法作了比较。
As an example, the seismic responses of the Tsingma bridge obtained by the pseudo excitation method are compared with those obtained by the response spectrum method and the time history method.
根据激光散斑运动规律,这个相关统计特性实时地反映该点的位移或转角的时间历程。
According to the laser speckle movement formula, the statistical correlation relates to the displacement or rotation of the diffusing point in real time.
通过分析,针对混凝土材料,提出了可给出弹体减速度时间历程解析解的法向膨胀理论。
For concrete material, a normal expansion theory was proposed by which some deceleration about time history of the projectile can be analytically given.
从分岔图上发现了跳跃现象,通过对时间历程图的分析发现该现象是由碰撞变化引起的。
A phenomenon of jumping is found in the bifurcation diagram. It is found via the analysis of time history that the phenomenon is caused by the impact changes.
计算了规则波和波群中系泊浮筒漂移运动的时间历程,讨论了其运动与波高、频差的关系。
The time history of drift motion of mooring buoy in regular wave and wave group is calculated. The relation between drift motion and wave height or difference of frequency is discussed.
焊点所承受的各种环境应力和工作应力的时间历程(时间应力)是其疲劳失效的直接外因。
The main external factor of solder joints degradation or deviation from an expected normal condition is the time stress such as work and environment stresses.
基于对智能层合板结构的模态分析,提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis to piezoelectric smart laminated plates, a finite inverse algorithm of the time history about impact loads by piezoelectric modal respondence is presented.
基于对智能层合板结构的模态分析,提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis of piezoelectric smart laminated plates, an FEM based inverse algorithm of the time history of impact loads by piezoelectric modal respondence is presented.
基于对智能层合板结构的模态分析,提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on the modal analysis of piezoelectric laminated plates, a FEM based inverse algorithm is presented for the time history of impact loads by piezoelectric modal response.
基于对智能层合板结构的模态分析,提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis of piezoelectric smart laminated plates a finite element inverse algorithm for identifying the time history of impact loads from piezoelectric modal responses is presented.
建立了某型自行火炮虚拟样机模型,仿真并获得了各典型行驶工况下行动系统关重件的载荷时间历程。
The virtual prototype of the self-propelled gun was established, the load of the key components of running system under various driving conditions was simulated and obtained.
本文按滞后环法编制成FORTRAN语言的计算机程序,对拖车车架的实测随机载荷时间历程进行计数。
In this paper the counting process of the Hysteresis Loop counting Method is translated into a FORTRAN program, the time history of load of chassis frame-of the trailer is counted with the computer.
用此方法建立了轮胎温降-时间历程关系式,分析了轮胎散热情况,分析表明温降时间也与使用条件无关。
Then the formula of tire temperature fall history was also derived with the tire heat dissipation analyzed, which came to the same conclusion as the case of temperature rise.
通过对变形情况,速度、加速度时间历程曲线的结果进行分析研究,对该型保险杠性能的进一步改进提出了建议。
After carefully analyzing the bumper deformation and dynamic characteristics, Suggestions are given on how to improve the crashworthiness of the bumper.
轮胎橡胶的最终硫化状态主要由其硫化中经历的温度时间历程所决定,但在实际生产中其内部点温度是无法实测的。
The state of vulcanization of the tyre is mainly determined by the temperature_time history. But in real production, the inner temperature of the tyre is unable to be measured.
为在时域进行大型结构的气动弹性动力响应分析,必须首先模拟该结构所受到的气动荷载或所处自然风场的时间历程。
To carry out the dynamic response prediction of a large structure subjected to a stochastic wind field in time domain, it is required to simulate time histories of wind loads or the wind field.
本文通过三维有限单元法分析计算与现场动态应力检测相结合,得到各工况下主梁最大应力部位的实际应力—时间历程。
Firstly, the actual stress history of the projecting beam's maximal stress area is acquired by integrating the three-dimensional FEM analysis calculation and the dynamic stress test at field.
利用CCD图象传感器的线性积分成象特性,将数字图象处理技术与时间积分成象方法结合用于运动时间历程的光测分析。
Based upon the linear integral imaging mechanism of the CCD image sensor, this paper presents a new method for measuring the motion of a moving object.
其次建立该整车的刚柔耦合动力学模型,并进行越野路、强化路等路面的整车动力学仿真,得到相应的模态位移时间历程;
Secondly, the whole vehicle rigid-flexible coupling modal equipped with the frame is built and analyzed to obtain the load histories through driving on cross-country path and strengthen-road .
本文以拉格朗日方式研究叶轮机内动、静叶间的相互作用,通过直接跟踪流体涡团的时间历程,来描述流体的非定常流动过程。
The Lagrangian vortex method is applied to direct description of the unsteady flow due to rotor-stator interaction in turbomachinery by tracing the trajectory of vortices.
本文以拉格朗日方式研究叶轮机内动、静叶间的相互作用,通过直接跟踪流体涡团的时间历程,来描述流体的非定常流动过程。
The Lagrangian vortex method is applied to direct description of the unsteady flow due to rotor-stator interaction in turbomachinery by tracing the trajectory of vortices.
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