1) cylindrical latticed double-layer shell
双层圆柱面网壳
1.
Optimization of cylindrical latticed double-layer shell based on Tabu Search method;
基于Tabu算法的双层圆柱面网壳结构的优化
2) single layer latticed vaults
单层圆柱面网壳
3) Double-layer barrel vaults
双层柱面网壳
1.
Based on the design and research of three double-layer barrel vaults, authors give the structral style selection, the method of analysis and calculation plans.
通过４９ｍ × １００ｍ，４５ｍ×８１ｍ，６０ｍ×１１７ｍ三个双层柱面网壳在不同结构形态、各种支承条件及轻、重屋面荷重下的计算分析，对柱面网壳结构选型、计算假定等作了详尽的论述；并讨论了对于柱面网壳支座水平推力的处理、温度应力对大跨度柱面网壳的影响等不能回避的问题，指出网壳支座与平板网架支座节点的不同，提供了常见支承条件下网壳支座的设计思路和作法。
4) double-layer cylindrical lattice shell
双层柱面网壳
1.
Optimal placement of controllable members in double-layer cylindrical lattice shell;
可控制杆件在双层柱面网壳结构中的最优布置
2.
On the basis of the characteristics of double-layer cylindrical lattice shell, a new semi-active sign-control strategy of certain bottom chords replaced by special controllable chords is presented.
提出了一种针对双层柱面网壳结构的半主动符号控制策略,设计了一种特殊的可控杆件,这种可控杆件可以根据其两端节点动力反应在刚度和阻尼两种状态间切换。
3.
On the basis of some correlative research work and according to the characteristic of double-layer cylindrical lattice shell, a new semi-active control strategy of certain bottom chords replaced by special controllable dampers and a new passive control strategy of certain bottom chords replaced by various dampers are presented.
本文在已有研究的基础上，根据双层柱面网壳的自身特点，提出了一种用可控杆件替换网壳中某些下弦杆的半主动控制策略。
5) double-layer cylindrical shell
双层柱面网壳
1.
ANSYS was secondarily developed by APDL,and automatically modeling,loading,adding constraints and solving of double-layer cylindrical shell with random span have been carried out.
以双层柱面网壳为研究对象,采用参数化设计语言APDL对AN SY S进行二次开发,实现了任意跨度双层柱面网壳的自动建模、加载、施加约束及求解。
6) double cylindrical shell
双层圆柱壳
1.
This paper researches the energy absorption capability of a double cylindrical shell structure with coated acoustic covering layer and stiffening rib.
该文针对敷设声学覆盖层的加筋双层圆柱壳的抗冲性能进行了数值仿真研究,给出了兼具抗冲和隔振功能的声学覆盖层结构设计及性能参数优化建议。
2.
The balance equation about the segments of the double cylindrical shell is built by using the coordinated condition of deformation for the orthogonal connection of the ring plate and the cylindrical shells inside and outside,and taking each segment of double cylindrical shell as an entire structure.
利用圆环板与内、外圆柱壳正交连接的变形协调条件 ,把每跨双层壳作为整体 ,建立双层圆柱壳段的平衡方程。
3.
Excited by harmonic radial point force,the stationary vibration response of submerged double cylindrical shell with ring supports linked by brace-splint or annular plates is analyzed by FEM.
基于有限元方法分析了在径向简谐点力作用下,支柱-托板式连接和实肋板式连接时水下双层加筋圆柱壳的稳态振动响应,进而通过壳体径向面均方速度级比、径向等效机械阻抗两个指标,分析了激励位置变化时,两种典型连接方式下的双层加筋圆柱壳层间结构的振动传递特性,研究表明所定义的指标能够有效的对双层圆柱壳的振动传递特性进行评估,径向简谐点力激励位置的改变对支柱-托板式连接的双层加筋圆柱壳的振动传递特性影响较实肋板连接时相对明显,但激励位置改变对内外壳间振动能量传递的影响总体较小,选用合适的结构尺寸参数,亦可使实肋板式连接结构的振动性能不弱于、甚至优于支柱-托板式连接结构。
补充资料：双层θ网环
分子式：
CAS号：
性质：一种高效实验室散装填料。用双层金属丝网制成的θ网环。其结构、特点与θ网环相同，但由于用双层丝网制成，因而增加了机械强度。
CAS号：
性质：一种高效实验室散装填料。用双层金属丝网制成的θ网环。其结构、特点与θ网环相同，但由于用双层丝网制成，因而增加了机械强度。
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