查询词典 finite element method

This kind of bio-mimetic foot was driven by a flexible cable, which grabbed the wall surface with claws. According to the locomotion mechanism of hornet tarsus chain, the foot joint, foot tarsus and claw were modified with the optimal design by finite element method.

该脚掌利用尖爪实现抓附，并由一根柔索传递驱动力；根据大黄蜂跗节链的运动机理设计了脚掌关节、脚掌跗节和脚掌尖爪，并辅以有限元法对其强度进行计算校核。

With plain strain finite element method,the characteristic of double-row pile of excavation of foundation pit in soil clay is studied.

双排桩支护结构是基坑围护结构的一种形式，但目前的分析方法无法考虑其与土体的共同作用。

With plain strain finite element method,the characteristic of double-row pile of excavation of foundation pit in soil clay is studied.

采用平面应变有限元方法研究了软粘土地基基坑开挖双排桩支护结构的性状，重点分析了桩土界面特性、前后排桩间距等因素对支护结构的内力和变形的影响。

Based on finite element method,stiffness characteristics were investigated under different whirling angle, pedestal parameters ,and fit clearance,to present guidance for design of elastic ring.

本文针对两种弹性环刚度的计算方法——解析法和有限元法进行了对比，分析了各自的适用条件，并基于有限元法分析了涡动角、凸台参数和配合间隙对弹性环刚度的影响，为弹性环的结构设计提供了参考。

Study is aimed at box threads of Φ177.8mm drill collar to analyze and calculate drill collar box thread with different stress-relief grooves using finite element method, the stress concentration of thread end of 3 types of box threads is gained under same boundary condition and load.

以177.8mm钻铤母螺纹接头作为研究对象，用有限元方法对加工有不同应力减轻槽的钻铤母螺纹接头进行了分析计算，得出了3种不同母螺纹结构在相同边界条件和载荷作用下螺纹消失端的应力集中情况。

To enhance the reliability of bearing seal of cone bit, this paper plans to adopt face-radial combination sealing structures; that is to say, end-face and radial seal are arranged in one bit simultaneously. The nonlinear finite element method is applied to analyze and optimize the design of sealing structures.

为了提高牙轮钻头轴承密封的可靠性，本文设计采用端面-径向组合密封结构，即在一只钻头中同时布置端面和径向密封，采用非线性有限元方法对密封结构进行分析和优化。

Applying finite element method,the dynamic characteristics of drill string with cone bit in straight hole were simulated,and the whirl,deformation and the dynamic stress in air drilling were compared with the ones in drilling fluid drilling .

应用有限元方法，仿真了空气钻井时斜直井眼中带牙轮钻头钻柱的动力学特性，比较了空气钻井和钻井液钻井条件下钻柱的涡动、变形以及动态应力状况，探讨了空气钻井钻柱失效的动力学机理。

In this dissertation, based on the systematically analysis of theory and application research on deformable model, a new B-spline active contour based on the finite element method is proposed; then B-spline active contour is applied to fitting the digital curve cross-sectional contour, and adaptive FEM is adopted to improve the precision; lastly the model is generalized to 3D, and a B-spline active surface model based on FEM is proposed.

本文在系统地分析了国内外关于可变形模型理论与应用研究的基础上，提出了一种基于有限元法的B样条主动轮廓模型；并将其应用于由断层图像导出的截面轮廓数字曲线的拟合，利用自适应有限元技术提高拟合精度；最后将其推广到三维，提出了基于有限元法的B样条主动曲面模型。

In this paper, finite element method is used in the analysis of cross section temperature field of I-shaped steel beam under fire in different position. It can gain the temperature contours and its rules.

本文采用有限元方法，对工字形钢梁在不同位置火焰下横截面温度场的分布情况进行了分析，得到温度场分布云图及其分布规律。

The adaptability of arch dam to geology is more and more high, when the influence of complicated geology is considered, and the widespread used modern calculating methods in engineering, such as the finite element method, is considered during optimization design, the new challenge to old optimization design system of crown cantilever analysis is the full-automatic calculation problem of the different condition, different arch dam parameter, the possibility and the efficiency which were caused by the increments of calculation time.

高拱坝设计对地质条件的适应性要求越来越高，优化设计时要考虑到复杂地质条件的影响，最好采用已被工程界普遍接受的有限单元法等现代计算方法，这对以拱梁分载法为主的拱坝优化设计体系提出了新的挑战，除了需要解决不同条件、不同拱坝参数的全自动计算问题，还要解决由于结构计算时间增加所带来的优化计算的可行性和效率问题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。