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1)  transient dynamic analysis
瞬态动力学分析
1.
The same time,the finite element model of base plate is used in making modal analysis and transient dynamic analysis applying the elasticity finite element method(FEM).
文中采用有限单元法,运用ANSYS软件对某发射器座钣三维空间板壳结构进行了整体三维建模,同时运用弹性力学有限元法对座钣建立的有限元模型进行模态分析和瞬态动力学分析,以给出整个座钣的前几阶固有特性、结构应力和变形分布规律以及座钣关键部位的动应力变化历程,对合理布置筋板和减轻座钣重量进一步优化座钣结构提供了理论依据。
2.
At the same time,the finite element model of base plate is used in modal analysis and transient dynamic analysis by means of the elasticity finite element method.
为了优化发射器座钣的结构设计,采用有限单元法对某型号发射器座钣三维空间板壳结构进行了整体三维建模,同时运用弹性力学有限元法对座钣建立的有限元模型进行模态分析和瞬态动力学分析
3.
According to the related standards,transient dynamic analysis and random vibration spectrum analysis were carried out to get its dynamic response characteristics in vibration and shock environment so as to find out the main weak parts in the structure of electronic cabinet,which provide more convincing evidence for optimization design in cabinet structure.
根据相关标准的要求,对电子机柜进行了瞬态动力学分析和随机振动谱分析,模拟实际要求的激励实现对冲击和振动的仿真分析,得到了电子机柜各部位的应力和应变值,找出了电子机柜结构的薄弱部位,为其结构动态优化设计提供了依据。
2)  transient dynamic analysis
瞬态动力分析
1.
Furthermore, the transient dynamic analysis is made on the seismic response of the structure under the effect of hydraulic fl.
按照相似关系将模型试验测得的流道中的脉动压力转换到原型,对结构在水力脉动压力作用下的振动响应进行瞬态动力分析。
2.
Based on practical experience, the paper summarizes such problems as transient dynamic analysis, mode analysis and spectrum analysis and their solutions to be used by ANSYS engineers for reference.
结合使用经验,总结了基于通用有限元软件ANSYS进行瞬态动力分析、模态分析、谱分析等动力分析的有关问题及解决方法,可供使用ANSYS的工程技术人员参考。
3.
Based on the ANSYS nonlinear transient dynamic analysis principle,this paper calculates the vertical dynamic response of track structures equipped with terminal sleeper-supporting apparatus under vertical mobile load effects.
基于ANSYS非线性瞬态动力分析原理,计算了抬枕装置在列车荷载作用在的竖向动力响应。
3)  transient dynamic
瞬态动力学
1.
This paper introduced the mechanism of vibration in the process of deep hole boring,developed a dynamic modal of the damping boring bar,optimizing the parameters of the damping system,analyzed the transient dynamic and harmonic response of the damping boring bar.
介绍了深孔镗削加工过程中产生振颤的机理,建立了减振镗杆的动力学模型,在此基础上优化减振系统的参数,并且对减振镗杆进行瞬态动力学和谐响应分析,分析结果表明该减振系统具有良好的减振性能。
2.
A transient dynamic model of diamond circular saw blade with multi-holes core and different width segment was built in this work.
本文建立了多孔基体与非等弧长节块相组合的特殊结构金刚石圆锯片瞬态动力学模型,通过ANSYS软件对特殊结构金刚石圆锯片的有限元模型进行瞬态载荷响应计算,得出不同切削参数对锯片关键部位瞬态应力和变形的影响。
4)  transient dynamics
瞬态动力学
1.
Control for transient dynamics of magneto-rheological suspension;
磁流变悬架的瞬态动力学控制研究
2.
Explanation on a special phenomenon in transient dynamics;
一种特殊瞬态动力学现象释疑
3.
Analysis and study on transient dynamics s on case pipe during casing drilling;
套管钻井中套管柱的瞬态动力学分析与研究
5)  DMA
动态力学分析
1.
Thermal stability and change of dynamic mechanics performance with TGA and DMA were also studied.
将聚丙烯腈粉末填充改性聚四氟乙烯,利用傅立叶红外光谱(FT-IR)研究了聚合物在聚四氟乙烯复合材料烧结成型过程中的化学变化;用热失重分析(TGA)和动态力学分析(DM A)考察了聚四氟乙烯复合材料的热稳定性、动态力学性能的变化及两种聚合物的相容性。
2.
The dynamic mechanical experiment of composite insulating materials has been carried out in different aging periods using Dynamic Mechanical Analyzer (DMA) and the relationship between mechanical parameters and the aging time o.
对大电机定子环氧云母复合绝缘材料进行了长时间多因子应力老化 ,采用动态力学分析仪对不同老化阶段的复合绝缘材料进行了动态力学实验 ,分析了各力学参量与复合绝缘材料老化时间的关系。
3.
It is a kind of new development tendency to apply dynamic mechanical analysis (DMA) to the assessment of different mechanical properties of polymer composite.
将动态力学分析(DMA)应用于聚合物复合材料各种力学性能的评估,是一种新的发展动向。
6)  DMTA
动态力学热分析
1.
Study on Aging and DMTA of Hydroxyl Polyacrylic Resin/HDI;
羟基丙烯酸树脂/HDI涂料的老化和动态力学热分析
2.
DMTA STUDY ON ELECTROCHEMICAL OXIDATION EFFECT OF CARBON FIBERS SURFACE;
碳纤维电化学氧化表面处理效果的动态力学热分析研究
3.
A single fiber fragmentation test, three-point bend test, scanning electron microscopy and dynamic mechanical thermal analysis (DMTA) were performed to study the influence of nano-SiO_2 modified emulsion sizing on the interfacial properties of carbon fibers reinforced plastics (CFRP).
利用单纤维碎裂法,三点短梁法,扫描电镜(SEM)和动态力学热分析(DMTA)研究了未上浆炭纤维、环氧树脂乳液上浆炭纤维和经纳米S iO2改性环氧树脂乳液上浆炭纤维增强树脂基复合材料(CFRP)的界面性能。
补充资料:催化动力学分析法
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性质:通过加入催化剂(C)使反应速率加快或减慢。对于反应A+CP,由于催化剂浓度可当常数处理,设对A为一级反应,则反应速率为-d[A]/dt=k[A][C]=k′[A],k′=k[C]。积分可得ln{[A]0/([A]0-[P])}=k′t=k[C]t,表明反应物初始浓度[A]0与某一时刻t浓度[A]之比的对数与催化剂浓度[C]及时间t成直线关系,由此可求得[A]0及[C]由于催化剂(或抑制剂)浓度很低,难于准确测量,应用此法即可达到测量其浓度之目的。

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