1) composite material barrel
复合材料身管
1.
Aiming at the damping effect of the fiber reinforced composite material barrel during gun firing,the energy dissipation formula of fiber reinforced composite material is given based on the dynamic characteristic principle of viscoelastic material.
针对火炮发射时纤维增强复合材料身管的阻尼效应,根据粘弹性材料动态特性,给出了纤维增强复合材料能量耗散公式,采用基于有限元技术的模态应变能分析方法,对某口径复合材料身管进行了阻尼特性分析,获得了该复合材料身管在各阶固有频率下的应变能和阻尼损耗因子,为复合材料身管的动态特性分析提供了阻尼特性参数。
2.
The finite element models of composite material barrel were established separately with 3D anisotropic element and 3D laminated element.
基于三维各向异性单元和三维层合单元分别建立了复合材料身管有限元分析模型,进行了强度分析和模态分析。
3.
In order to study the influence of the transient impact of powder gas with high temperature and high pressure on the composite material barrel,a three-dimensional transient thermo-structure coupling analysis is conducted.
该文针对火炮发射时高温高压火药气体瞬态冲击作用对复合材料身管的影响,进行复合材料身管三维瞬态热结构耦合分析。
2) composite barrel
复合材料身管
1.
Aiming at the complex computation and time-consuming problem during the structure analysis for the composite barrel,the structural approximate model was established by using Kriging method.
针对复合材料身管结构分析过程中计算复杂耗时的问题,采用Kriging最优内插法建立复合材料身管结构分析近似模型。
2.
A multi-objective optimization model of composite barrel was developed based on the finite element model and optimization method for the multi-objective design requirements during barrel(design) process.
针对复合材料身管设计时多个性能指标设计要求,基于有限元模型和优化设计方法,建立了复合材料身管多目标优化模型,优化的目标为身管一阶固有频率和身管质量,复合材料各层缠绕角和缠绕厚度为优化设计变量,优化方法采用改进的非支配排序遗传算法(NSGA-Ⅱ);通过优化求解,获得了复合材料身管的Pareto最优解集;优化算例表明,采用NSGA-Ⅱ获得的Pareto前沿面曲线分布均匀,其所对应的复合材料身管设计方案在刚度和重量方面均有改善。
4) structural absorbing composites
隐身复合材料
5) composite fuselage
复合材料机身
1.
All Boeing strategic research work is focused on enlarging difference of product within three important horizons:the first,the e-Enabled advantage to the air transport industry;the second,the horizon is focused on manufacturing composite fuselage technology;the third,creating a global collaboration environment(GCE) for the Boeing 787 development program and implementing a virtu.
为此波音公司的全部战略性研究集中在扩大产品的差异性上,体现在3个方面:电子化(e-Enabled)运营环境、整体复合材料机身部件的制造技术和支持波音787客机的全球协同环境(GCE)。
6) composite pipe
复合材料管
1.
In this paper,SRTEM was used to successfully make carbon/epoxy composite pipe which met size precision.
本文应用硅橡胶热膨胀模塑成型工艺成功地制备出符合尺寸精度要求的碳 /环氧复合材料管。
2.
Composite pipe is made from two or more kinds of materials, has various characters, and is compounded by physical and chemical methods.
复合材料管是由两种或多种性质不同的材料通过物理和化学复合而成的圆柱形管材,具有重量轻、强度高、刚度好、输送液体阻力小、清洁卫生、成本低等优点广泛应用在城市给水、污水排放等工程。
补充资料:识身
【识身】
(术语)犹言身心。
(术语)犹言身心。
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