1) Space/time finite element method
空间/时间有限元
2) space/time finite element scheme
空间\时间有限元
1.
The authors discussed the space/time finite element method of a class of nonstationary mixed problems using stabilization method,and gave a space/time finite element scheme corresponding those mixed problems.
结合稳定化思想,对一类非定常混合型问题的空间\时间有限元方法,进行了一般性的讨论。
4) Space time finite element method discontinuous in time
时间间断时空有限元法
5) 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。
6) 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。
补充资料:空间时间
分子式:
CAS号:
性质:又称接触时间。指反应器的反应体积VR与反应器进口反应物料体积流量v之比:VR/v=τ。具有时间因次。上式是空间时间的基本式,但在具体计算时则有各种不同的算法,进口反应物料体积流量v可按标准状况下的体积流量计算,也可按进口反应物料的温度、压力下计算。对于气固相催化反应,VR可按固体催化剂的堆体积计算,也可按催化剂颗粒间的空隙体积计算。空间时间的倒数为空间速度。
CAS号:
性质:又称接触时间。指反应器的反应体积VR与反应器进口反应物料体积流量v之比:VR/v=τ。具有时间因次。上式是空间时间的基本式,但在具体计算时则有各种不同的算法,进口反应物料体积流量v可按标准状况下的体积流量计算,也可按进口反应物料的温度、压力下计算。对于气固相催化反应,VR可按固体催化剂的堆体积计算,也可按催化剂颗粒间的空隙体积计算。空间时间的倒数为空间速度。
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参考词条