| 1. | Thermal vibration of thin viscoelastic plates 粘弹性薄板的热振动 |
| 2. | The nonlinear thermal vibration bifurcation ofbucking viscoelastic rectangular plate 屈曲黏弹性矩形板的非线性振动分岔 |
| 3. | Nonlinear thermal vibration of rectangular orthotropic plate on nonlinear foundation 非线性地基上正交异性矩形板的非线性热振动 |
| 4. | In this paper , some methods are developed to solve the relative problems on thermal vibration of the elastic structure 重点研究弹体结构的热振动特性。在计算气动加热及热振动方面,本论文提出了一些解决方法。 |
| 5. | The nonlinear thermal vibration characteristic of the composite thin - cylindrical shells under linear temperature field is investigated by the ansys parametric design language ( apdl ) 摘要采用有限元软件ansys参数设计语言( apdl )实现复合材料薄壁圆柱壳结构在线性分布温度场作用下的非线性热振动特性分析。 |
| 6. | The basic equations of elliptic plate , when temperature and stress fields are coupled , are developed , which include transverse thermal vibration equation , the compatibility equation and energy equations 本文首先推导了当温度场和应变场耦合时椭圆板的非线性热弹耦合振动的基本方程,其中包括横向热振动方程、协调方程和能量方程。 |
| 7. | The thermal vibration natural frequency of rectangular plates with large deflection on foundation of three - parametric model is studied and the effects of temperature and foundation characteristic parameters to thermal vibration natural frequency are discussed 摘要研究了三参数地基上大挠度矩形板热振动的固有频率,分析讨论了温度、地基特徵参数对热振动固有频率的影响。 |
| 8. | The aerothermoelastic analysis of missile structure includes the thermal stiffness , thermal vibration and thermal flutter analysis . this dissertation emphasizes on thermal vibration analysis of the aerial vehicle under aerodynamic heat condition 本文研究背景是弹体这类典型结构在高速飞行情况下,由于气动加热引起的高温对结构气动热弹性分析,包括热刚度、热振动问题的研究。 |
| 9. | Thirdly , this dissertation briefly introduces the engineering estimation method of the aerodynamic heat and supplies the simplified formulas . not considering the rejection , the ablation and some other factors , the author calculates the stagnation heat flux and the non - stagnation field heat flux distribution of some fly situation as the example aerodynamic heat environment . finally , by using the ansys program , the thermal vibration characters of the plate and missile body structures with different materials is analyzed 这一方法提高了热振动的分析效率;第三,简要的介绍了工程上计算气动熟的估算方法及热流密度计算的简化公式,在不考虑烧蚀以及质量引射等影响下,本文计算了几种飞行条件下驻点和非驻点区的热流密度分布,作为本论文算例的气动加热环境。 |
| 10. | The second part involves the coupled design optimization of thermal structures , which takes the thermal displacement , thermal stress , thermal buckling and thermal vibration into account , hi this part , the main contents are the theory and computational schemes of sensitivity analysis , the techniques of software design and the algorithms of design optimization for the coupled system . the research work will be introduced with the following chapters 这里的耦合有三方面的含义: 1 )在系统分析中考虑热传导对结构分析的耦合作用; 2 )在灵敏度分析中,针对直接法和伴随法两种计算格式分别考虑了热传导对结构或结构对热传导的耦合作用; 3 )在优化设计时,优化模型中同时考虑了热传导约束和结构响应约束的共同作用。 |