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近似模型
相关语句
  approximate model
    The approximate model has been used in engineering optimization design widely.
    近似模型方法在工程优化设计中开始得到重视。
短句来源
    Advances an improving rigid nonlinearity hardening approximate model of the constitutive relations using the traditional theory of plastic limit analysis.
    应用传统的极限分析理论,对可简化为刚塑性的材料本构关系提出了一种改进的“刚性-非线性强化”近似模型
短句来源
    Using reverse engineering, an approximate model for the new work attachment of ITI18B loader is established, repetitively adjusted and. optimized through derivation of its structural dimensions and analysis of its performance features. The design thinking of ITI18B loader is thus obtained to provide design concept for the design of multi-purpose loaders.
    本文利用反求工程技术,通过对IT18B装载机新型工作装置结构尺寸推测和性能特点分析,建立了该机工作装置的近似模型,并对该模型进行重复调整优化,从而获得了 IT18B装载机的设计思想,为多用途装载机的设计提供了设计方案。
短句来源
    It is shown that the force model expressed by power series of the rotor displacements is accurate only for small motion range while the approximate model is applicable for initial levitation of the bearing with large range of the rotor motion.
    分析表明,幂次模型与近似模型分别 适于描述静电悬浮系统在支承与起支状态下的静电力特性。
短句来源
    The Stribeck model is the most commonly friction model. LuGre is the most perfect model today. Karnopp is suitable approximate model for the engineering practice.
    Stribeck模型是最常用的摩擦模型,LuGre模型是目前最完善的摩擦模型,Karnopp模型是一种近似模型,适用于工程实践。
短句来源
  approximation model
    Aerodynamic Optimization Design of Turbomachinery with Approximation Model Method
    叶轮机械气动优化设计中的近似模型方法及其应用
短句来源
    To reduce huge computation of the traditional stochastic optimization methods for engineering optimization,approximation model methods with acceptable accuracy for engineering design are developed based on the statistical theory.
    针对在工程中完全采用随机类优化方法寻优时计算量过大的问题,应用统计学的方法发展了计算量小、在一定程度上可以保证设计准确性的近似模型方法.
短句来源
    In the aerodynamic optimization design of turbomachine,the approximation model methods enable to balance the computational cost and accuracy,whose successful applications in centrifugal compressor impeller,diffuser,and mixed-flow pump impeller designs are introduced to show a wide engineering foreground.
    基于统计学理论提出的近似模型方法有效地平衡了基于计算流体动力学分析的叶轮机械气动优化设计中计算成本和计算精度这一对矛盾,在离心压气机叶片扩压器、叶轮和混流泵叶轮设计等问题中得到了成功应用,展示了广阔的工程应用前景.
短句来源
  “近似模型”译为未确定词的双语例句
    To simplify the dynamic analysis of the structural damped system at time domain, the paper presents two frequency-variable models, which are respectively based on the viscous damping equivalence to the structural damping for the dominant spectrum of dynamic response and the standard linear solids model in viscoelasticity theroy. The two models not only approximate to the calssical structural damping in frequency behaviors, but also guarantte the response causality of the system at time domain.
    为了提供结构阻尼系统的时域动响应实用分析方法,文中分别提出了基于响应优势谱成份的粘性阻尼近似模型和基于粘弹性理论的三参数频变结构阻尼模型,它们可逼近结构阻尼缓频变的特性并保证系统的时域动响应具有因果性.
短句来源
    To simplify the dynamic analysis of the structural damped system at time domain, the paper presents two frequency-variable models, which are respectively based on the viscous damping equivalence to the structural damping for the dominant spectrum of dynamic response and the standard linear solid model in visco-elasticity theory.
    为了提供结构阻尼系统的时域动响应实用分析方法,文中分别提出了基于响应优势谱成份的粘性阻尼近似模型和基于粘弹性理论的三参数频变结构阻尼模型;
短句来源
    This paper puts forward the bond graph model of distribution parameter in hydraulic pipe-line based on the accurate-approximate model and making reference to Margolis bond graph model of accurate-approximate input potential and output potential of distribution parameter in hydraulic pipe-line. The model can be suitable for a hydraulic pipingnetwork constructed by various pipe sizes.
    本文提出了以液压管路分布参数精确近似模型为基础,以Margolis的键合图模型为参考的液压管路分布参数键合图模型,建立了液压管路分布参数精确近似输入势输出势扩展键合图模型,这种模型能适用于各种管径组成的液压管网。
短句来源
    Approximate equipment model of loaderIT18B is set up by using inverse engineering techniquein this paper. The model is elatedly adjusted and optimized and design idea of loader IT18B is obtained. Italso provides design project for multi-purpose loader.
    本文利用反求工程技术建立了IT18B装载机工作装置的近似模型,并对该模型进行重复调整优化,获得了IT18B装载机的设计思想,为多用途装载机的设计提供了设计方案。
短句来源
    The stability of rotor system is an important problem in mechanics, for example, bifurcation and chaos, which is directly related to safety and reliability of turbine sets. In this paper, based on the dynamic model of Muszynska s flexible rotor with oil film, using coupled vibration technique, the vibration of single disk is regarded as main vibration of the system.
    基于Muszynska柔性转子动力学模型,采用主从系统耦合振动的观点,将转盘的振动看成是主振动,导出了转子非线性振动的近似模型,对转子系统的涡动与振荡等力学现象和动力稳定性进行了研究.
短句来源
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  approximate model
On the basis of an approximate model of filtration with drainage washings of a soil layer with a water-impermeable base [1], shown schematically in Fig.
      
In [1], the present author investigated an approximate model of two-dimensional flow in the case of leaching of soil in the presence of an impermeable layer when the depression curve is replaced by a fixed horizontal boundary.
      
An approximate model of the flow is constructed and an analytic solution is obtained for the location of the boundary of the multicycle jet.
      
A brief description is given of the approximate model for the calculation of temperature fields, which simplifies the processing of experimental data
      
Theoretical models of heat transfer by radiation through a vapor gap under conditions of film boiling of liquid are treated, namely, a general wave model for a gap of arbitrary thickness and an approximate model of geometrical optics.
      
更多          
  approximation model
An alternative description of the Pt isotopes using a simple, single configuration, the two-parameter interacting boson approximation model Hamiltonian, is discussed.
      
The work is based on the use of the second-order differential equation, the so-called equation of the dynamics of self-developing processes, as an approximation model.
      
Second approximation model for optical head in super high density storage technology
      
A new approximation model is developed for the output probability density functions so that the dynamic part of the system is decoupled from the output probability density functions.
      
Our results can be very well described within the random phase approximation model.
      
更多          


The classical frequency-invariable model of the structural damping has received great attention and led to arguments for several decades. The paper examines its presupposition and points out the paradox of the model extension to response analysis at time domain. To simplify the dynamic analysis of the structural damped system at time domain, the paper presents two frequency-variable models, which are respectively based on the viscous damping equivalence to the structural damping for the dominant spectrum of...

The classical frequency-invariable model of the structural damping has received great attention and led to arguments for several decades. The paper examines its presupposition and points out the paradox of the model extension to response analysis at time domain. To simplify the dynamic analysis of the structural damped system at time domain, the paper presents two frequency-variable models, which are respectively based on the viscous damping equivalence to the structural damping for the dominant spectrum of dynamic response and the standard linear solids model in viscoelasticity theroy. The two models not only approximate to the calssical structural damping in frequency behaviors, but also guarantte the response causality of the system at time domain.

振动界对经典的非频变结构阻尼模型一直有种种争议,本文检查了它的前提并指出将该模型推广到系统时域动响应分析时导致的悖论.为了提供结构阻尼系统的时域动响应实用分析方法,文中分别提出了基于响应优势谱成份的粘性阻尼近似模型和基于粘弹性理论的三参数频变结构阻尼模型,它们可逼近结构阻尼缓频变的特性并保证系统的时域动响应具有因果性.

The classical frequency-invariable model of the structural damping has recieved great attention and arguments for several decades. The paper examines its presupposition and points out the paradox of the model extension to dynamic analysis at time domain. To simplify the dynamic analysis of the structural damped system at time domain, the paper presents two frequency-variable models, which are respectively based on the viscous damping equivalence to the structural damping for the dominant spectrum of dynamic...

The classical frequency-invariable model of the structural damping has recieved great attention and arguments for several decades. The paper examines its presupposition and points out the paradox of the model extension to dynamic analysis at time domain. To simplify the dynamic analysis of the structural damped system at time domain, the paper presents two frequency-variable models, which are respectively based on the viscous damping equivalence to the structural damping for the dominant spectrum of dynamic response and the standard linear solid model in visco-elasticity theory. The two models not only approximate to the classical structural damping in frequency behavior, but also guarantte the response causality of the system at time domain.

振动界对经典的非频变结构阻尼模型一直有种种争议,本文检查了它的前提并指出将该模型推广到系统时域动响应分析时导致的悖论.为了提供结构阻尼系统的时域动响应实用分析方法,文中分别提出了基于响应优势谱成份的粘性阻尼近似模型和基于粘弹性理论的三参数频变结构阻尼模型;它们既可逼近结构阻尼缓频变的特性,又可保证系统的时域动响应具有因果性.

This paper puts forward the bond graph model of distribution parameter in hydraulic pipe-line based on the accurate-approximate model and making reference to Margolis bond graph model of accurate-approximate input potential and output potential of distribution parameter in hydraulic pipe-line.The model can be suitable for a hydraulic pipingnetwork constructed by various pipe sizes. The experiment and simulation proved the model to be correct.

本文提出了以液压管路分布参数精确近似模型为基础,以Margolis的键合图模型为参考的液压管路分布参数键合图模型,建立了液压管路分布参数精确近似输入势输出势扩展键合图模型,这种模型能适用于各种管径组成的液压管网。通过实验结果和仿真结果的对比进一步论证了此种模型的正确性。

 
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