1) finte elements
有限元/大开间
2) 3D finite element
空间有限元
1.
The influences of shear buckling stress, critical load and buckling mode of the corrugated steel webs with different web dimension parameters in prestressed concrete composite box-girder bridge are investigated by analytical method and 3D finite element method.
通过解析方法及空间有限元方法研究波形钢腹板预应力混凝土组合箱梁桥在各种腹板尺寸参数时,对钢腹板的剪切屈曲应力或临界荷载及屈曲模态的影响。
2.
A 3D finite element model of an externally prestressed concrete simple-supported composite box-girder bridge with corrugated steel webs is established by means of the composite element method.
采用混合单元建立波形钢腹板体外预应力混凝土组合简支箱梁桥的空间有限元计算模型,研究该种结构在体外索参数,如张拉力、锚固点位置及转向点位置改变时,各截面的力学性能。
3.
Based on the 3D finite element model,the static and dynamic behaviors of the bridge are analyzed,and the influences of the rigidity ratio on strengthened effect are discussed.
针对常见的钢筋混凝土梁桥病害中普遍存在的上部结构承载力不足、桥下净空有限的情况,提出了一种增加主梁加固的新方法,并采用空间有限元分析了加固前后桥梁的静、动力性能。
3) space finite element
空间有限元
1.
Taking Euler Elastic Theory as the base, the article applies the space finite element process to carry out the stabilization analysis of T-frame of the high-pier curve continuous rigid frame bridge under the construction of the largest cantilever.
该文以欧拉弹性理论为基础,运用空间有限元法对高墩曲线连续刚构桥在施工最大悬臂状态下的T构进行稳定性分析。
2.
Continuous steel box girder bridge with small radius and large curvature which is common in overpass project was analyzed,with space finite element model based on a case study project and the bridge structure performance under different loads was analyzed and compared,with the loading characters of the curved steel box girder bridge,the shear lag effect and practical calculation method discussed.
采用空间有限元方法,结合具体工程对立交工程中常见的小半径大曲率钢箱梁桥进行了研究分析,对其在不同荷载作用下的受力特性做了分析和比较,并对曲线钢箱梁桥的受力特点、剪力滞效应和实用计算方法进行了探讨,并提出了简化计算模式。
3.
South Bridge in Chao Yang deseases were introduced in this paper,and were analysed by space finite element method,cracking reasons of large gusset of rigid frame arch bridge were analysed,the desease principle of micro-curved plate was specified.
介绍了朝阳南大桥的病害 ,并用空间有限元进行了分析 ,对大节点进行了局部受力分析 ,分析了刚架拱桥大节点产生裂缝的受力原因 ;另外对微弯板进行了空间受力分析 ,说明了微弯板产生病害的机理。
4) interval finite element method
区间有限元
1.
Application of interval Finite Element Method to analysis on slope stability;
区间有限元在边坡稳定分析中的应用
2.
Advanced combinatorial methods for solving the governing equations of linear static interval finite element method;
线性区间有限元静力控制方程的组合解法
3.
The interval finite element method,which is combined by interval mathematics and FEM,is proposed to solve the deformation of slope.
边坡工程的稳定性受多种因素的影响,其荷载具有不确定性,可以用具有上、下限的区间数来表示,提出了用区间数学和有限元结合构成的区间有限元方法来求解边坡变形。
5) time finite element
时间有限元
1.
A new time finite element method based on Gurtin variational principle of displacement model is presented.
本文基于位移型Gurtin变分原理，对时间域进行离散时，采用具有非时间步参数的话值函数逼近广义节点位移，给出了一种新的计算弹性动力学初值问题的非时间步参数时间有限元法这是一种无条件稳定的计算格式算例表明，本文方法具有计算方法简便、实用以及精度较高的特
2.
The dynamic load identification is formulated by time finite element model with shape function of generalized orthogonal polynomial in this paper.
本文利用广义正交多项式作为时间有限元的形函数,推导了基于时间有限元的动载荷识别模型。
6) discontinuous Galerkin
间断有限元
1.
A discontinuous Galerkin Method for One-dimensional Singularly Perturbed Problems;
一维奇异摄动问题的间断有限元(DG)方法
2.
A posterior error estimation can be used to reasonally adjust mesh so as to improre calculation precision A posteriori error analysis of discontinuous Galerkin method for a time-dependent convection diffusion problem is presented by the employment of duality technique.
运用对偶论证,给出了非定常对流扩散问题间断有限元(DG)方法的后验误差分析。
3.
To approximate a convection-dominated convection diffusion equation,we apply a discontinuous Galerkin method.
对于对流占优的对流扩散方程,采用一种间断有限元(DG)方法进行了数值求解。
补充资料：SAMCEF——先进的通用有限元分析软件
SAMTECH公司是通用有限元软件包SAMCEF的开发商和服务商，是欧洲CAE领域的有力竞争者。SAMTECH在航空和航天工业，以及防卫、汽车、能源和造船等工业有广泛的应用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条