根据相似理论的基本原理,本文导出了室内送风气流应遵循的准则方程。
In this paper, a norm equation that indoor supply airflow should be followed is deduced from the basic principles of similitude theory.
方向鉴别法不仅可以用于换热器传热试验数据处理,也可用于压力降试验准则方程的求解。
The method of direction distinguishing not only is that used in heat transfer data processing of heat exchanger, but it is also used to find the solution of norm equation for pressure drop test.
将其推广到结构优化非线性准则方程组的迭代求解,可实现结构优化迭代求解的完全自动化。
Extending it to iterative solution of structural optimization nonlinear criterion equations, complete automatization of iterative seeking solution for structural optimization can be implemented.
由于准则方程的高次非线性和复杂性,文中利用复合函数求导法则,直接针对基本随机变量求解。
Because of the complexity and high order nonlinear property of the criterion, a derivative method for compound function is used to get reliability.
本文导出了平面螺管几何参数之间的关系及换热准则方程,并对这种换热器进行了设计计算和特点分析。
The relations between the geometric parameters, as well as the heat transfer criterion equations, of the plane spiral-tube are derived.
本文将常规的双层百叶风口应用到低温送风空调系统中,利用相似理论导出室内送风气流应遵循的准则方程。
Through the experimental study on the double shutter in the cold air conditioner, we use the similitude theory and draw the norm equation that indoor airflow should be followed.
本文提出的热流相似法,是直接通过热流相似原理建立相似准则的新方法,借此可以总结出有关传热现象准则方程序。
The analogue method of heat flow which was presented by the authors in this paper is a new method of building analogue number with the analogue principle of heat flow.
在考虑了内翅片使管内传热面积增大 ,传热性能提高这一特点 ,经过反复实验 ,回归出了内翅片管传热的准则方程式。
A dimensionless equation of the inner finned heat transfer was regressed based on the characteristics of enlarging of heat transfer surface and improving of heat transfer property.
在有限元方法的数值计算中使用应变空间表述的加-卸载准则和本构方程也是很方便的。
In numerical computation by the finite element method it is also convenient to use the loading-unloading criteria and the constitutive equations formulated in strain space.
根据冲击波超压-时间的毁伤原则和失去战斗力比率的伤亡准则,推导了冲击波伤亡等级方程;
With overpressure-duration damage criterion and the CI criterion of shock wave, a new casualty ranking formulae was derived.
此外,作者还给出了一类具有连续变量的偏差分方程的振动准则。
Furthermore, the author gives the oscillation criteria of some partial difference equation with continuous variables.
然后分析了目前图像质量评价的现状,基于传播波方程的图像恢复方法提出了一种客观的质量评价准则;
It also analyzes status of image quality assessment and introduces an image quality objective assessment rule based on traveling wave equation.
以层状复合岩体损伤破坏理论为基础,建立了层状复合岩体损伤本构方程及其破坏断裂准则。
Based on damage and destroy theory of bedded composite rock, damage principal equation and damage and fracture rules of bedded composite rock have been founded.
本文给出一类双曲偏泛函微分方程解的振动准则。
In this paper, oscillation criteria of solutions for a certain partial functional differential equations are obtained.
本文还提出了最优选配回归方程和最优预计的判别准则以及预计风险度的概念。
The paper also provides the judgement criteria of optimal fitting regression equation and optimal forecasting. At last the concept of forecating risk degree is given.
利用格利菲思强度准则和断裂力学原理求得了混凝土类脆性材料裂缝端部微裂缝区的边界方程。
A boundary 's equation of microcrack region near crack tip of such brittle materials as concrete has been obtained according to the Griffith' s criterion and fracture mechanics.
根据断裂力学的原理,提出了脆性破裂的止裂准则,给出了最小止裂方程。
Based on the principle of fracture mechanics, the stop criterion of brittle fracture is proposed and the equation of minimal crack stop is given.
本文讨论一类三阶时滞泛函微分方程解的渐近性质,给出了若干解的有界性及解趋于零的判定准则。
Som criteria on the asymptotic behavior (such as boundness, tending to zero) of solutions for a kind of third order delay functional differential equation are established.
本文建立了一类带偏差变元的偏微分方程边值问题解的振动准则。
In this paper some oscillation criteria are established for solutions of boundary value problems of a class of partial differential equations with deviating arguments.
应用井眼稳定力学理论和H - B非线性准则,建立了井眼围岩力学滑移破坏方程。
The mechanics theory of the borehole stability and H-B's nonlinear criterion are used to establish the equations for slip failure of the rock mechanics around borehole.
对于匀速直线运动引起的图像模糊,已经提出了一种基于传播波方程的恢复方法及其恢复质量的客观评价准则。
Recently, based on the traveling wave equation, an image restoration method and its objective assessment to the quality of restored images are proposed by the present authors and others.
研究一类非线性的偶数阶中立型时滞微分方程,得到了该类方程解振动的几个新的判别准则,得到的结果推广了已有文献中的结果。
The oscillatory criteria of even order nonlinear neutral delay differential equations are studied. The results obtained extend several results in known literature.
文中得到几个振动性准则和离散谱准则,并将这些结果应用到常微分方程。
Some oscillatory criteria and discrete spectrum criteria are given, and we can apply them to the ordinary differential equations.
提出依据离差绝对值和准则,用目标规划建立多元线性预测方程,该方法优于回归分析。
Based on the criterion of deviation squares sum, a general forecasting equation is set up by using goal programming. It has advantages over the analysis of multi-variable linear regression.
建立了混凝土非线性疲劳损伤方程和变幅荷载下的疲劳破坏准则,分析了加载次序效应对总疲劳寿命的影响;
Found non-linear fatigue damage equation and fatigue failure criterion of concrete under variable amplitude load, and analyze the influence of loading sequence on total fatigue life;
本文建立了一类带偏差变元的偏微分方程边值问题解的振动准则。
In this paper a new oscillation criterion for second order nonlinear differential equations was established.
本文在严格、完整的基础上,利用矩阵范数理论研究了结构非线性动力分析中数值积分格式的稳定性问题,给出了判别单自由度非线性动力方程积分格式稳定性的一般数学准则。
The problem of stability in the numerical integration schemes of nonlinear dynamic analysis of structures is discussed by using matrix and norm theory on a rigorous and complete basis in this paper.
一般地说,从这些准则出发得到的正则方程均为非线性方程。
Generally speaking, the regular equations obtained using these criteria are nonlinear equations.
一般地说,从这些准则出发得到的正则方程均为非线性方程。
Generally speaking, the regular equations obtained using these criteria are nonlinear equations.
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