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数值模型
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  numerical model
    NUMERICAL MODEL OF SEEPAGE PROBLEM IN THE SATURATED—UNSATURATED REGION
    饱和—非饱和区中渗流问题的数值模型
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    A Dynamic Numerical Model for the Combined System of Layered Soil-Structure
    成层土体与结构组合体系的动力数值模型
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    Nonlinear Numerical Model of Two-Dimensional Generalized Consolidation of Unsaturated Soils
    非饱和土二维广义固结非线性数值模型
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    A Numerical Model for Predicting Influence of Flow Pattern in Electrostatic Precipitators on Reentrainment
    预测流型对电除尘器返流影响的数值模型
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    Numerical model for the hysteretic behaviour of steel structures under cyclic loading
    循环荷载作用下钢结构滞回性能的数值模型
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  numeric model
    In this paper, based on a three dimensional nonlinear numeric model of the coupled finite element—infinite element—interface element, a program written by MATLAB is used to analyze the bearing and deformation mechanism of pile-raft foundation under different pile length, the number of piles and so on.
    本文通过桩土相互作用的三维有限元——无限元——接触面单元的非线性耦合数值模型,用matlab6.5编制的桩土相互作用程序来分析桩基在不同桩长、桩数、桩径、弹性模量、桩间距等情况下的承载变形的性质。
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    Bringing a simulated but suitable pressure to bear on the membrane, when the certain horizontal displacement of membrane change to 1.1mm, the numeric model of expansion of the membrane has been constructed.
    通过在程序中对标定过的膜片施加一个适当的气压,使其中心水平位移刚好达到1.1mm,建立膜片膨胀过程数值模型
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    In order to analyze vertical bearing behavior of belled pier foundation, three groups of project examples of belled pier in different engineering geological conditions are chosen. Three-dimensional non-linear finite-element numeric model are established, it finds that calculated and measured results approach well.
    为分析扩底墩基础的竖向承载性状,本文选取了三组不同工程地质条件下的扩底墩基础工程实例,分别建立了扩底墩墩土接触三维非线性有限元数值模型,可以发现计算与实测结果基本吻合。
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    In this paper, the analysis of components of the settlement of high-speed railway subgrade after construction is given. In the optimization numeric model, the economic utility is adopted as object function, and the double controlling indicators which comprise the settlement after construction and the rate of settlement are employed as the constraint conditions.
    通过对高速铁路软土路基工后沉降组成的分析,以经济效益为目标函数,软土地基工后沉降、沉降速率双控制指标为约束条件建立优化数值模型.
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  “数值模型”译为未确定词的双语例句
    Establishment and study of strain-softening numerical constitutive model for soft rock
    软岩应变软化数值模型的建立与研究
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    Constitutive damage model and its numerical method of cracking process of masonry structure
    砌体结构开裂过程细观损伤数值模型及其分析方法
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    STUDY ON MODEL OF DAMAGE AND FLOW COUPLING IN BRITTLE ROCK FAILURE PROCESS
    脆性岩石破裂过程损伤与渗流耦合数值模型研究
短句来源
    VERIFICATION OF RANDOM 3-D FRACTURES NETWORK MODEL OF ROCK MASS
    岩体随机结构面三维网络数值模型有效性检验
短句来源
    Study on coupled thermal-mechanical-damage model in rock failure process
    岩石破裂过程TMD耦合数值模型研究
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  numerical model
Based on the basic principles of the micrometeorology of atmospheric boundary layers and vegetation canopy, a numerical model of the interaction between forest ecosystems and atmospheric boundary layers was developed.
      
Kinetic theory was introduced to establish a 3D kinetic numerical model for wavelike slug gas-solid flow in this paper.
      
The flows were also analyzed using a numerical model of the three-dimensional turbulent flow in the pumps near the peak efficiency point using the k-? turbulence model and the VOF cavitation model.
      
A three-dimensional physical and numerical model of the basic pulse tube refrigerator (PTR) was developed.
      
The numerical model of automaton behavior is helpful in applying algebraic tools to solve the functional behavior renewal problem.
      
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  numeric model
A numeric model for the kinetics of water vapor sorption on cellulosic reinforcement fibers
      
The representation of the surface pressure field in a two-dimensional hydrodynamic numeric model for the North Sea, the Skagerra
      
The experimental measurements were used to validate a numeric model of ablation in an accompanying paper.
      
The study is also trialling an US numeric model 'STOMP' (Subsurface Transport over Multiple Phases), to calculate daily water balance, to identify suitable plant species and to optimise thickness of the soil cover to be used in phytocapping.
      
A third approach involves the use of the numeric model to predict hydrochemical transport at each site.
      
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Synopsis A new numerical model—the finit difference integration model and its computer program which come out from modification of the integrated finite difference model and its program TRUST have been developed in this paper. TRUST is a program which has been used in many projects for modeling saturated-unsaturated flow (Reisenauer, key, Nar-simhan and Nelson, 1981). The method presented in this paper has the advantages of the method of T.N. Narasimhan and uses the Simpson's 1/3 rule to improve the mass balance...

Synopsis A new numerical model—the finit difference integration model and its computer program which come out from modification of the integrated finite difference model and its program TRUST have been developed in this paper. TRUST is a program which has been used in many projects for modeling saturated-unsaturated flow (Reisenauer, key, Nar-simhan and Nelson, 1981). The method presented in this paper has the advantages of the method of T.N. Narasimhan and uses the Simpson's 1/3 rule to improve the mass balance accuracy. The results from the program presented in this paper are compared with results from the literature and are very satisfactory and more accurate than that from other models.

本文对积分有限差分法的数值模型及其程序TRUST进行丁修正,提出丁有限差分积分法的数值模型及其相应的程序。程序TRUST已广泛应用于模拟饱和——非饱和区渗流工程(Reisenaaer,Key,Narasimhao和Nelson,1981)。本文所提出的计算方法不仅具有Narasimhan提出的积分有限差分法的优点,并且应用了辛甫生数值积分提高了质量平衡精度,计算结果与试验资料相比,非常一致,其精度比原方法有所提高。

The dynamic analysis and calculation for the Combined system of layered soil-structure by the Boundary Integral Equation-Boundary Element Method is presented and adynamic numerical model for the combined system is obtained using the boundary integration. It can be applied to numerical solution for dynamic responses of different combined system with various soil bases (Semi-infinite elastic soil, layered soil and soil interstratified withs ilt).Several numerical examples are calculated and discussed, including...

The dynamic analysis and calculation for the Combined system of layered soil-structure by the Boundary Integral Equation-Boundary Element Method is presented and adynamic numerical model for the combined system is obtained using the boundary integration. It can be applied to numerical solution for dynamic responses of different combined system with various soil bases (Semi-infinite elastic soil, layered soil and soil interstratified withs ilt).Several numerical examples are calculated and discussed, including dynamic response of rigid structure with layered soil and soil interstratified with silt as well as screening effect of trenches with different type of backfill. Some satisfactory results and valuable conclusions are obtained.

本文运用边界积分方程——边界单元法,分析并计算了具有成层土体与结构组合体系的动力耦合效应问题。提出了用边界积分求值的动力数值模型。它可以对不同土体情况(半无限单一土体、成层的和夹有淤泥层土体)和结构组合体系的动力响应进行数值求解。文中对具有成层土体的和含有淤泥夹层土体的结构动力响应以及填充不同填料的隔振沟的隔振效应等算例进行了计算和分折。结果很令人满意,其中某些结论具有一定实用价值。

In this paper, a dynamic coupling model of finite and infinite elements for simulating infinite foundations is summarized. Through the derivation of basic formula and verification of computational accuracy of wave propagation in a 3-D infinite foundation, advantages of the presented model can be summarized as follows: (1)By using the finite elements to discre-tize the near field foundation and using the infinite elements to evaluate the far field effects, this model is suitable for simulating multiple layers...

In this paper, a dynamic coupling model of finite and infinite elements for simulating infinite foundations is summarized. Through the derivation of basic formula and verification of computational accuracy of wave propagation in a 3-D infinite foundation, advantages of the presented model can be summarized as follows: (1)By using the finite elements to discre-tize the near field foundation and using the infinite elements to evaluate the far field effects, this model is suitable for simulating multiple layers and complicated foundation. ( 2 )The use of infinite elements for modelling wave radiation eliminates the effects of artificial reflection of waves from finite element boundary, therefore the computational accuracy can be assured. Meanwhile, the spatial range of finite element discretization is significantly reduced and computational economy can be achieved. (3) Using the mapping technique, simulation of different wave numbers can be realized by changing the global coordinates of middle nodes of elements, therefore the displacement compatibility on common boundary of infinite elements can be retained.

本文对一种地基无限域的动力模型——映射动力无穷元与有限元耦合模型进行总结.通过阐述映射动力无穷元的基本原理,并利用三维地基无限域中的波动问题验证这一模型具有的计算精度,说明这类数值模型具有以下优点:(1)由于用有限元模拟近域,用无穷元模拟远域,故可适应于模拟多种土层和复杂地基的情况.(2)无穷元的应用消除了波在有限元边界上人为的反射效应,保证了数值解答的计算精度;另一方面,又大大减小了有限元的模拟范围,节省了数值计算工作.(3)由于采用了映射技术,地基中不同波数的模拟可通过调整单元边中结点整体座标来实现,使无穷元在公共边界上的位移协调性得以保持.

 
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