材料的疲劳损伤是一非稳态过程,难以用传统的数学函数准确表达。
The fatigue damage of materials is an unsteady process and is difficult to be expressed accurately by the use of traditional mathematical functions.
模拟的结果表明,非稳态过程采用平均拉速配水能满足铸坯的冷却要求。
The result of simulation showed that the method of water assignment putting average speed as parameter can meet the demand of slab cooling in the process of unsteady state.
该模型考虑了气液相返混及醋酸分子间的缔合效应,提高了模型对非稳态过程的模拟精度。
Backmixing of liquid and gas and association effects between acetic acid molecules were considered and the accuracy of the model for dynamic process was greatly improved.
通过对比催化剂表面的温度振荡和产物中CO_2的浓度振荡观察到各种复杂的非稳态过程,加深了对产生化学振荡的机理认识。
Various complex unsteady states were observed by the comparison of the catalyst surface temperature oscillations with the CO_2 concentration oscillations in products.
误差分析的结果表明,这种非同步取样数据的同步化算法,具有良好的同步效果,不仅可应用于稳态周期信号,也适用于周期性非稳态过程信号的测量和分析。
Simulation results show that the algorithm could be used not only in steady state signal analysis, but also in periodical non-steady state process signal analysis.
建立含能气体射流与液体工质相互作用非稳态过程的理论模型,应用fluent应用软件对非稳态气体射流与液体工质相互作用的过程进行了模拟,获得了射流流场中各参数的变化规律。
A model of the no steady process of gas jet interaction with liquid is developed and solved by the commercial software FLUENT. The change law of parameter in the flow field has been obtained.
巷道火灾节流过程中各物理参数变化时序是正确模拟非稳态火灾过程和救灾决策的基础。
In the process of tunnel fire throttling, the variation time sequence of various physical parameters is the bases for accurately modeling the unsteady fire process and fire fighting decision-making.
本文借用系统论中的自组织理论研究了供应链系统的演化过程,首次提出了供应链非稳态的定义及其特征;
This text studies the course of evolution in the supply chain using theory of self-organization in the systems theory, and brings up the definition and characteristic of the instable state.
研究了在非稳态条件下,搅拌铸造工艺参数对ZA27合金的凝固过程及初生相组织形貌转变的影响。
The effects of casting process parameters on transformational behavior of primary nondendrite phase and solidification process of ZA27 alloy in stirring are investigated under transient condition.
本文介绍了二维非稳态导热方程可视化软件的功能及研制过程。
This paper introduces the function of the software of visualization of two-dimensional unsteady heat conduction and its developing process.
第二部分讨论稳态响应的线性关系,在论证过程中提出了含有纯电容割集的网络及含有纯电感回路的网络为非衰减网络等几条定理,并进行了比较严谨的证明。
In the course of demonstration, several theorems are posed and proved in detail, such as networks including pure capacitance cut-sets and pure inductance loops are non-decaying, etc.
ARIMA模型可以较准确地预测非稳态随机过程的时间序列。
ARIMA model can be used to predict the non stable time series with adequate precision.
针对新型的液柱冲击塔,用非稳态传质反应理论建立了塔内so_2吸收过程的物理和数学模型。
The model of SO2 absorption in the impinge stream scrubber is established based on unsteady state mass transfer reaction theory.
针对壁流式过滤体捕集微细颗粒物的过程,建立了描述通道内流场和颗粒层分布的一维非稳态模型。
A one-dimensional unsteady model was developed to simulate the trapping of fine particles by a wall-flow filter by simulating the flow field and particle layer distribution in a channel.
在分析锻造用钢锭凝固过程特点的基础上,建立起钢锭铸造凝固的二维非稳态温度场计算数学模型,并编制程序。
A two-dimensional unsteady temperature field calculation mathematical model has been set up by analyzing ingot solidification process and the program has been developed.
结果表明,利用导热传递函数可以全面而直观地描述翅片非稳态导热过程的动态特性。
The results showed that the dynamic characters of transient heat conduction of fins can be described well and conveniently by using the heat conduction transfer functions of fins.
用数值模拟定量地研究了非傅立叶效应对稳态导热过程的影响。
Numerical simulations have been carried out to demonstrate quantitatively the influence of non-Fourier behavior on the steady state heat conduction.
新概念的数字化制造系统将能够通过本文阐述的移动人机协同网络使非稳态生产过程的管理控制变得灵活有效,并且依然保持稳态生产过程的自动化大批量生产能力。
New concept DMS will be able to make the supervising and control of non-steady process easy and flexible, moreover, it keep the ability to process in automatic and large batch way.
运用不可逆热力学原理,对气泡传质过程进行了理论分析,讨论了非稳态、稳态、平衡态的差异及其变化规律。
The theoretical analysis on bubble mass transfer process was made by the non reversible thermodynamics. Non steady state, steady state and equilibrium state and changing regulation were discussed.
为了验证此求解过程的正确性,完整性和通用性,对非稳态热传导问题本文给出了两类算例,总共十一个问题。
The eleven examples of two groups were presented to validate the correction, integrity and universality of the program.
锻件成形过程中,非稳态、不均匀的温度场对金属的塑性流动有很大的影响,尤其是高温成形过程。
During forging forming process, temperature affects the pattern of metal deformation considerably, especially in the forming process at high temperature.
本文利用显微镜观察记录了玻璃中预制小裂纹稳态与非稳态扩展的全过程。
In this paper, we observed and recorded the whole process of stable and unstable cracking of a small pre-crack by using a microscope.
并通过吸收传质流体CFD模型,应用有限元方法对气液吸收过程中出现的自然对流发生过程进行了数值计算,得到了液相自然对流发生时的非稳态流场分布和浓度分布信息。
Unsteady flow and concentration fields in the liquid phase of a gas-liquid contacting system were simulated to show the natural convection by utilizing the finite-element CFD method.
研究了铸钢、球墨铸铁和纯铜3种不同材质高炉冷却壁的非稳态传热过程。
Unsteady heat transfer of blast furnace cooling staves made of cast steel, spherical cast iron and copper was studied.
研究了铸钢、球墨铸铁和纯铜3种不同材质高炉冷却壁的非稳态传热过程。
Unsteady heat transfer of blast furnace cooling staves made of cast steel, spherical cast iron and copper was studied.
应用推荐