查询词典 finite element method

In addition, to analyze the initial stress distribution of bone-implant interface by the finite element method.

观察下肢植入体-骨界面结合情况随着时间的变化情况。

Finite element method is used in the study of nozzle damping of instable combustion in a solid rocket motor.

应用有限单元法研究固体火箭发动机不稳定燃烧中的喷管阻尼，并用波衰减对比法进行了试验研究。

Second, finite element method of plane srtain is used to simulate theconstruction steps and processes of the metro tunnel, and the ultimate settlements atthe ground surface in different construction steps are smaller than those suggested instate codes.

并对提出的合理隧道施工顺序和步骤进行平面有限元数值模拟，论证了本文施工顺序和方法在本工程实践中的有效性和适用性。

The results show good agreement with the field test data, it is showed that the integral finite element method can provide good simulation for this kind of engineering activity and provide convincing computing results for the design and construction.

分析结果与工程实测数据比较吻合，表明整体有限元方法可以较好地模拟此类工程问题，从而为实际工程的设计施工提供一定的理论和计算依据。

Based on the three dimensional viscoelastic integral constitutive relation of a propellant grain with the finite element method, the analysis about the thermo-viscoelasticity of solid propulsive agent column is presented.

基于药柱的三维线性热粘弹性积分本构关系，采用有限元法，对固体火箭推进剂药柱进行热粘弹性有限元分析，得出药柱在轴向过载作用下的变形结果和药柱内危险部位的位置，表明药柱具有明显的粘弹性特点。

The main innovative points of this paper are given as follows:(1)The precise material parameters play an important role to an effective simulation. An identification scheme to couple the finite element method and IP -μGA(a modified micro genetic algorithm with the strategy of Intergeneration Projection)is developed and programmed.

计算机仿真技术在汽车设计制造中得到了越来越广泛的应用，特别是在汽车碰撞安全性设计中，仿真技术为缩短开发周期、降低成本起着很重要的作用。

Based on the fracture mechanics approach, the finite element method analyzed a varity of the stress intensity factor at the pavement crack tip when setting fiberglass-polyester paving mat, and the effect of the stress intensity factor in symmetric load and asymmetric load was studied when the asphalt layer modulus, thickness of semi-rigid base, the the depth of the crack, touch condition, interlay modular, etc., changed.

基于断裂力学的方法，采用ANASYS软件模拟沥青路面典型结构，分析了设置聚酯玻纤布夹层后，在正载和偏载作用下，裂缝尖端应力强度因子的变化，研究了沥青层模量、基层厚度及裂缝扩展深度等结构参量及层间接触条件和夹层模量对应力强度因子的影响规律分析结果表明，设置聚酯玻纤布夹层，可以有效防治荷载型反射裂缝的扩展。

Recently, a lot of studies have been focused on the anisotropic finite element method, and there appears many relative papers(see [26,27,53,54]). However, the main attention of those were paid to the study of conforming Lagrange elements and the interpolation error analysis on the second order or fourth order elliptic boundary value problems.

近年来，各向异性有限元方法已成为有限元领域的热点问题，陆续出现了许多有关此方面的理论及应用研究成果，见[26，27，53，54]，其中大部分工作主要是针对二阶或四阶椭圆边值问题协调与非协调元的插值误差估计进行的。

The multivariate polynomial interpolation problem is a classical mathematical problem that is widely used in many fields, such as multivariate function list, surface design and finite element method. In recent years, multivariate polynomial interpolation has been focused by many people, of which the geometric topological struction of sets of interpolation nodes is also much concerned by us.

多元多项式插值问题是一个十分具有研究意义和实际应用价值的数学问题，它广泛应用于多元函数列表，以及曲面的外形设计和有限元法等诸多领域，近年来多元多项式插值越来越受到人们的广泛关注，其中有关插值结点组的几何拓扑结构问题也是人们十分关注的内容。1998年，梁学章和吕春梅在文献[2]中借助代数几何中的有关理论，进一步讨论了沿无重复分量平面代数曲线上的Lagrange插值问题，并应用Cayley ？

Electrical impedance tomography; image reconstruction; forward and inverse problem; finite element method; complete electrode model

医药卫生科技，医药卫生方针政策与法律法规研究，医疗器械电阻抗断层成像；图像重建；正反问题；有限元法；全电极模型

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％。