1) 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。
2) cylindrical double-shell
双层圆柱壳
1.
The model of a cylindrical double-shell under water for sound prediction is built using SEA.
采用统计能量分析方法,建立水下有限长双层圆柱壳体结构机械噪声预报模型。
3) double cylinder shell structure
双层圆柱壳结构
1.
To help design a submarine that is more shock resistant,a double cylinder shell structure was designed using ANSYS/LS-DYNA software to imitate a submarine structure.
通过引入各种无量纲化结构参数,得到了双层圆柱壳结构有利于抗冲击的结构参数取值范围,对潜艇抗冲击设计有参考价值。
4) 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
5) stiffened double cylindrical shell
加筋双层圆柱壳
1.
Experiments were made on vibration and sound radiation from finite stiffened double cylindrical shell covered with the uncoupled anechoic material,and the values were measured for structure response of the shell′s surface and sound pressure.
文中对有限长敷设隔声去耦材料的加筋双层圆柱壳进行了振动和声辐射试验,测量了壳体的结构响应和水中的辐射声压,对内外壳全部敷设、内壳全部敷设、外壳全部敷设以及外壳部分敷设隔声去耦材料四种敷设方式进行了对比。
2.
Experiment on vibration and sound radiation from finite stiffened double cylindrical shell covered with the uncoupled anechoic material is done,and the values of structure response of the shell s surface and sound pressure are measured.
对有限长敷设隔声去耦材料的加筋双层圆柱壳进行了振动和声辐射试验,测量了壳体的结构响应和水中的辐射声压,对内外壳全部敷设、内壳全部敷设、外壳全部敷设以及外壳部分敷设隔声去耦材料4种敷设方式进行了对比。
6) finite stiffened double cylindrical shell
有限长加筋双层圆柱壳
1.
The effects of six driving forces on vibration and sound radiation from a finite stiffened double cylindrical shell covered with layers are studied.
研究了不同激励力对流场中敷设阻尼材料的有限长加筋双层圆柱壳的振动和声辐射性能的影响。
2.
The vibration and sound radiation from a finite stiffened double cylindrical shell driven by a point force on the shell surface in the radial direction are studied in this paper.
研究流场中有限长加筋双层圆柱壳受径向点激励的振动和声辐射性能。
3.
Sound radiation analysis of low order modes from a submerged finite stiffened double cylindrical shell coated with viscoelastic layer is systematically studied in this paper.
本文研究的是流场中敷设阻尼材料的有限长加筋双层圆柱壳的低阶模态声辐射性能,壳体的振动用Fli gge壳体方程来描述,通过将加筋结构等效为反力和反力矩加在圆柱光壳表面上,采用Helmholtz波动方程和壳体表面的边界条件推导出声-流场-结构的耦合振动方程,然后采用相应的求解方法进行求解。
补充资料：壳壳
1.亦作"殻殻"。 2.诚笃貌。 3.中空貌。 4.象声词。
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