The dynamic calculation method for full-range dynamic description when emergency braking is applied to heavy haul freight train is proposed.
进一步提出了对重载货运列车紧急制动进行全过程动态描述的动力计算方法。
The calculation method of additional mass is investigated. The influence of additional mass on the dynamic characteristics of supporting structure is also obtained.
研究了附加质量的计算方法,分析了附加质量对水电站厂房支承结构自振特性的影响。
Through economic analysis, the static and dynamic conditions to install low pressure economizer were obtained and the concrete calculation method and the incoming were provided by an example.
通过经济分析,得到了可以加装低压省煤器的静态及动态条件,并以实例说明了具体的计算方法及所取得的收益。
Based on transmission boundary condition, gives calculation method for value of dynamic model equation, pipeline discrete form, memory method for coefficient and difference equation.
根据输送边界条件,给出了动态模型方程的数值计算方法、管道离散格式、参数存储方法和差分方程。
FDTD method has less calculation, precision result, and dynamic distribution of electromagnetic, so it is suitable for calculating photonic crystal band gap.
FDTD方法计算量小,结果较为精确,还可模拟电磁场的动态分布,很适合计算光子晶体光子带隙。
Through Calculation examples this method is proved to be satisfactory for analyzing dynamic state of groundwater level.
通过实例计算,此法用于地下水位的动态分析效果显著。
The dynamic response question of composite pavement under moving load is analyzed by using the finite-element numerical calculation method.
应用有限元数值计算方法,分析了复合路面在移动荷载下的动力响应问题。
It is analyse and calculation about the dynamic characteristic of motorcycle frame by FEM model, carry on validation through experimental modal method, Get back frame modal parameter and shake type.
利用有限元方法对摩托车车架动态特性进行了分析计算,并通过实验模态方法进行了相应的实验验证,获得了车架模态参数和振型。
The calculation command control method and testing flow for structural pseudo-dynamic testing were described in detail.
以结构拟动力试验为例,详细说明了基于计算命令控制试验系统的建立方法及试验流程。
Damage criterion of structure by blasting seismic is fixed, and dynamic reliability calculation method of structure by blasting seismic action is obtained.
确定了爆破地震作用下建筑结构物的破坏准则,并得到了爆破地震作用下计算结构动力可靠度的方法。
This paper derives formulae for spatial wind-induced dynamic response of cantilevered roofs and presents calculation practical method for equivalent static wind load.
本文推导了悬挑屋盖空间动力响应的理论公式,提出了等效静力风荷载实用计算方法。
His paper presents a comprehensive method for analyzing dynamic characteristic experiment and theoretical calculation of Marine shafting.
论述了船舶轴系动态特性的实验与理论计算的综合分析方法。
It has very important significance for calculation in design or dynamic analysis for coastal structures to obtain wave spectra in shoal water zone by calculation method.
用计算方法得到浅海波浪谱,对于浅水海域上建筑物的设计计算及动力分析都具有极其重要的意义。
Compared calculation with practice test, this paper puts forward the dynamic mechanics modal which near the practice condition, right calculate formula and method and creditable test result.
理论计算和实际测试结果的比对表明,本文提出的动态力学模型与实际情况较接近,计算公式和计算方法正确,测试结果可信。
Based on the coupling of vehicle dynamic loading and the pavement surface unevenness, a calculation method is formulated for prediction of highway asphalt pavement rutting under dynamic loading.
基于运动车辆与不平整路面的相互耦合作用,建立车辆动力作用下沥青路面车辙计算与预估方法。
The method is adopted in the tail-race system dynamic simulation calculation of Baise hydropower station, and the tailrace tunnel shape is optimized, so the satisfying result is worked out.
将该方法应用于百色水电站的尾水系统动态仿真计算中,并对尾水隧洞洞型进行优化,得到了满意的结果。
Through the dynamic analysis on the gas in Xiyao Coal Mine, this paper makes the penetration prediction by using the calculation method, and advances some corresponding preventive measures.
通过对西尧煤矿瓦斯动态分析,应用计算方法进行了防突预测,并对此提出了相应防治措施。
An agglomeration multigrid method was applied to numerical calculation of rotor forward flight flow based upon the unstructured dynamic overset grids.
基于非结构动态嵌套网格,将聚合多重网格方法引入到旋翼的前飞流场计算中。
The universal grey mathematics provided a new theory and method for structural dynamic design. The method is simple in calculation, accurate and reliable, and possesses broad values of application.
泛灰数学为结构动态设计提供了新理论与新方法,该方法计算简单、准确可靠,具有广泛的应用价值。
The results show that the dynamic stability analysis can be replaced by quasi-static method with the static load multiplying an amplification factor in calculation.
结果表明:在实际计算中,可以将静载乘以某一“放大系数”作为计算荷载进行拟静力分析。
The mathematical model on the calculation of recoiler dynamic torque(DT) and dynamic current(DC) are discussed. The calculation method on DT and DC by means of CAD is presented.
详细论述了卷取机动态力矩的数学模型及在控制系统中的实现问题,最后给出了采用CAD计算动态力矩和动态电流、确定相关工艺参数的方法。
To study the effect of aerodynamic drag in the solar array spreading on the ground, a calculation method of time-varying aerodynamic drag was put forward based on dynamic meshes in this paper.
为研究太阳帆板地面展开试验中气动阻力的影响,基于动网格技术提出了一种时变空气阻力计算方法。
This method is based on the substructure method of dynamic responses, so the dynamic response calculation of a large complex structure system can be carried out via a microcomputer.
又因为本文提出的方法是基于动态子结构法,所以大型复杂结构系统的动态响应计算可望在微机上进行。
The coupling effect of thermal pulse and pressure pulse in the inner bore is extremely obvious, so more accurate results can be obtained by using dynamic full coupled calculation method.
热脉冲与膛压脉冲在内膛表面耦合效应十分明显,采用动态全耦合方法进行计算更加准确。
In this paper, the influence of installational displacement on the static and dynamic characteristics of the elliptical bearing is analyzed by the numerical calculation method.
本文借助数值计算方法分析了安装错位对椭圆轴承静动特性的影响。
The method for the calculation of the dynamic impedances of a single pile in layered soil is developed.
提出了计算层状土中单桩动力阻抗的方法。
It propose nonlinear dynamic analyzing model calculation method of the motor in the use of nonlinear magnetic path analysis and finite element calculation.
采用非线性磁路分析和有限元计算结合的方法给出了该电机的非线性动态分析模型计算的一种思路和方法,有助于电机设计分析。
The influence of errors of cam profiles on the dynamic accuracy of cam mechanism is studied using the correlation function method, and a calculation means of dynamic accuracy is given.
运用相关函数法研究了凸轮廓线误差对凸轮机构从动件动力精度的影响,并给出了动力精度的求解方法。
The method for calculation of displacement in transversely isotropic elastic strata which formulate to different external static load is a improvement upon existing methods for dynamic problem.
通过对原有动力问题求解方法的改进,得出横观各向同性层状场地在静力荷载作用下的位移求解方法。
With the consideration of the varying load of power system, a complete mathematical representation of dynamic reactive power optimization and its calculation method are presented.
根据电力系统实际运行中负荷不断变化的情况,提出了动态无功优化问题的完整数学描述和计算方法。
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