1) finite element subspace
有限元子空间
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) space finite element method
空间有限元
1.
Internal force and stability analysis of long-span damaged arch bridge with space finite element method;
空间有限元法对大跨度旧拱桥内力及稳定分析
5) spatial finite element
空间有限元
1.
Time-transforming spatial finite element analysis is made for the structural system transforming construction courses of a steel-concrete composite girder bridge.
结合某实际工程 ,介绍了钢 -混凝土组合梁桥的体系转换施工技术 ,通过对有体系转换钢 -混凝土组合梁桥施工过程进行时变空间有限元分析 ,并将计算结果与无体系转换组合梁桥计算结果进行对比 ,表明钢 -混凝土组合体系转换施工技术能够在不增加桥梁结构应力的情况下 ,有效控制桥梁结构在施工荷载与二期恒载下的变形 ,从而实现较大的跨越而不增加桥梁截面高度 ,大大提高了材料的利用效率 。
2.
Based on the Euler elastic theory,this paper calculates and analyzes the spatial stability of thin-wall ultrahigh-pier prestressed concrete continuous steel structure bridge by means of the spatial finite element method.
以欧拉弹性理论为基础,利用空间有限元法对薄壁特高墩预应力混凝土连续刚构桥的空间稳定性进行计算分析。
3.
A spatial finite element model is built by Midas,and determination of relative parameters,working condition and calculated load,deformation and stress and vibration are explained by the present bridge design code.
针对青岛海湾大桥沧口航道斜拉桥钢箱梁大节段施工,其海上安装高度高、节段自重大及施工工期长等特点,对钢箱梁安装临时支架进行专项设计计算,对临时支架的构造细节和安装顺序进行了介绍;并采用MIDAS建立了其空间有限元模型,参照现行的桥梁设计规范,确定相关计算参数、工况和计算荷载,对支架整体结构的变形、应力和振动特性进行分析,并对十字梁的变形和局部应力等关键性问题进行了详细的阐述。
6) finite element space
有限元空间
1.
In this paper we discuss the bounds of constant factors appearing in the upper hand side of the inverse inequality in a finite element space.
讨论了有限元空间中逆估计不等式右端常数因子的上界。
2.
Bound of Constant Factor in the Estimated Inverse Inequality of the Finite Element Space
讨论了n维k(n,k∈N)次有限元空间逆估计不等式右端常数因子的界定问题。
补充资料：有限
1.有限制;有限度。 2.指数量不多;程度不高。 3.哲学范畴。指有条件的﹑在空间和时间上都有一定限制的﹑有始有终的东西。相对于"无限"而言。
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