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1)  sim-coupled potential energy principle
相似耦联势能原理
1.
Tile establishments of these sim-coupled potential energy principles with the region subdivided into subregions and the sim-coupled finite element method lay the theoretical foundations for so.
本文建立了光弹性力学的分区相似耦联势能原理及相似耦联有限元法和广义分区相似耦联势能原理及广义相似耦联有限元法。
2)  similary no-coapled variational prionciple
相似非耦联变分原理
3)  similarity principle
相似原理
1.
On the basis of similarity principle study of the ASP ternary complex flooding, we adopt the method of simplicity, take the foam into differential equation, construct the similarity criterion and the similarity principle of differential conditions, the similarity criterion and the similarity principle are checked and analyzed by numerical simulation and physical simulation method.
在三元复合驱相似原理研究的基础上 ,采用简化的方法 ,将泡沫相引入微分方程 ,建立了泡沫复合驱物理模拟全相似准数及不同条件下的相似准则 ,并利用数值模拟方法、物理模拟方法对准则进行了检验和敏感性分析 。
2.
Geomechanical model test was a kind of scale rule research method to specific geotechnical engineering problems based on the similarity principle.
地质力学模型试验是根据一定的相似原理对特定工程地质问题进行缩尺研究的一种方法。
3.
Based on the similarity principle,the mechanical characteristics of piles are obtained.
在水平荷载作用下的板桩墙的计算中,应用非线性方法——NL法来考虑桩土的相互作用,利用相似原理求出桩的受力特性,并举出算例。
4)  similarity theory
相似原理
1.
Firstly, a plane-radial-flow physical model which is similar to a group five-plot pattern of actual oil field, was built using similarity theory, then a water displacing oil experiment(unsteady state method) was made indoors to measure the quasi-relative permeability of this plane physical medel,and the output of oil and water in four exports was d.
首先用相似原理建立与实际油田正五点法井组单元相似的平面物理模型 ,采用非稳态法测定平面模型的四个出水口的油水的产量 ,根据推导出的平面非稳态径向流的相对渗透率公式计算油水两相平面渗流的拟相渗关系。
2.
The steps of analysis by using status equation and block model are showed in details,and the method of simulation after translating mechanical system into electrical net model based on similarity theory is presented.
详细说明了利用状态方程模型和方框图模型进行分析的步骤,并提出了利用相似原理把机械系统转换为电网络模型后进行仿真的方法。
5)  similar theory
相似原理
1.
The similar theory for the beam with all design data to that without data is developed on the basis of corrosion, carbonization and fatigue.
从混凝土桥梁的锈蚀、碳化、疲劳出发 ,找出这类梁疲劳特性的相似原理 ,根据资料齐全梁和资料不明梁的变化相似曲线 ,求解了不明梁疲劳寿命评估这一难题。
2.
Based on the requirements of strength and permeability of concrete,the authors apply similar theory and orthogonal experiment theory in the experiment on the mixing ratio of porous pervious concrete(PPC) C15 in accordance with the existing laboratory conditions.
基于混凝土强度和透水性要求,根据现有实验室条件,运用相似原理和正交实验原理对C15透水性混凝土的配合比进行试验方法研究。
6)  similar principle
相似原理
1.
Amendment of calculation forms for laterally loaded pile based on similar principle of NL Method;
水平推力桩NL法相似原理计算表格的修正
2.
This paper described the hydraulic coupler principle and the characteristics of flexible transmission,introduced a similar principle in the development of hydraulic coupling of the application and gave performance evaluation deviation.
本文阐述了液力耦合器原理及柔性传动的特点,介绍了相似原理在液力耦合器研制中的应用,并给出性能偏差评价。
3.
Through making statistics of analysis for the limestone s index on-the -spot, combining similar principle, we select the materials such as cement, plas ter and sand to imitate the limestone.
通过对现场灰岩岩性指标进行统计分析,结合相似原理,选择水泥、石膏和砂等原料模拟现场的灰岩特性,在室内进行了大量的小试样配方试验,得到了几种能有效模拟灰岩岩性的配方。
补充资料:弹性力学最小势能原理
      弹性力学的能量原理之一,它可表述为:整个弹性系统在平衡状态下所具有的势能,恒小于其他可能位移状态下的势能。其中可能位移是指满足变形连续条件和位移边界条件的位移,用来表示。整个弹性系统的势能∏的表示式为:
  
   式中左侧为真实位移ui对应的势能;右侧第一项为弹性体中的应变能,u(εij)为应变能密度,εij为应变分量,Ω为物体所占空间;第二项为体积力构成的势能,fi为体积力分量;第三项为边界外力构成的势能,圴i为给定的面力分量,B2为给定外力的边界面,dB是B2上的面积微元;式中重复下标表示约定求和。
  
  最?∈颇茉砜尚次?
  
  
  
  
    ∏(ui)≤∏(),式中的等号只有在可能位移就是真实位移的情况下才成立。最小势能原理实质上等价于弹性体的平衡条件。它可作为弹性力学直接解法和有限元计算(见有限元法)的重要基础。
  

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