vibration of string 中文意思是什麼

vibration of string 解釋
弦的振動
  • vibration : n. 1. 振動，顫動；擺動；【物理學】振動。2. （心的）震顫。3. （思想情緒的）激動。4. 猶豫。adj. -al
  • of : OF ＝Old French 古法語。
  • string : n 1 線，帶，繩子；〈美國〉鞋帶〈又作 shoe string， 〈英國〉稱 shoe lace〉。 （穿線、數珠等的）串...
  1. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據
  2. On the basis of analyzing the working circumstance and prosperity of downhole drilling string of the surface dynamic rotating drilling vertical well, the force prosperity and failure forms of downhole drilling string are focused on. and further research has been done on the vibration damage of downhole drilling string as well as the construction and work prosperity of vibrating - proof hydraulic shocker absorber

    本文在對地面動力旋轉鉆井直井井下鉆柱的工作環境和特性加以分析的基礎上，著重對鉆柱在井下的受力特性以及損壞形式進行了分析，並對鉆柱在井下的振動危害以及用於防止振動的水力加壓減震器的結構、工作特性等一些規律進行了深入的探索和研究。
  3. The large zoo of elementary particles, each with its own characteristic properties, reflects the many possible vibration patterns of a string

    在基本粒子的龐大家族中，每種粒子皆有它自己的特質，這反映在一條弦許多可能的振動模式上。
  4. The analysis of wind - induced vibration response of the plane beam string structure

    平面張弦梁結構的風致響應分析
  5. Chapter three discusses the vibration forms of the surface dynamic rotating drilling downhole drilling string, analyzes the damage of low frequency ancf fongif ucfi ' na / vibration to downhole drilling string, and set up a set of math models of the longitudinal and torsional vibration

    第三章分析探討了地面動力旋轉鉆井井下鉆柱的的振動形式，並提出分析了低頻縱振現象對井下鉆柱的損害，以及建立了縱向、扭轉振動的數學模型。
  6. Doubting the resonance condition of the longitudinal vibration of the sucker rod string introduced by apirp11l and improving of the mechanical modeling

    抽油桿柱縱向振動共振條件的質疑與力學模型的修正
  7. The cable sag and bending stiffness effects are studied on the higher natural frequencies of cable vibration. it is found that the differences of the higher adjacent frequencies go to the fundamental frequency of the taut string theory even though the cable sag or bending stiffness is included. this unique characteristic of cable vibration is used to determine the cable tension with the well - known taut string theory

    2 .考慮垂度和抗彎剛度對高階自振頻率的影響，探討了索相鄰頻率之差，發現索的高階頻差就是弦振動理論的基頻，利用這一特性，分析了頻差法測索力的精度和適用范圍。
  8. The cable tension plays an important role in the construction control and long - term monitoring of cable - supported structures. the engineering implementation of a vibration - based cable tension evaluation is mostly carried out based on the taut string theory where the cable tension is estimated from measured natural frequencies by use of a simple explicit formula

    振動法測索力廣泛應用於索結構的施工控制和健康監測，其原理是基於弦振動理論：索拉力與自振頻率之間存在簡單的關系，因此可以由實測的自振頻率計算得到索力。
  9. Transverse vibration control of axially moving string system by linear backward

    軸向運動弦線橫向振動的線性反饋控制
  10. Transverse vibration control of an axially moving string system by adaptive method

    軸向運動弦線橫向振動控制的自適應方法
  11. Energy and conservation functional for transverse nonlinear vibration of an axially moving string

    軸向運動弦線橫向非線性振動的能量和守恆
  12. Torsional vibration simulation analysis of drilling string and rock bit

    鉆井用鉆頭和鉆柱扭轉振動的模擬分析
  13. The fuzzy mathematics description for the multi - dimension vibration of string

    維振動的模糊關系矩陣描述方法
  14. 1, flexible water string is generally applied to the structure with requirement of vibration or water proof in the position, through which tube goes

    1柔性防水套管一般適用於管道穿過墻壁之處受有振動或有嚴密防水要求的構築物。
  15. Prediction of drill string ' s fatigue life under torsion and axial vibration

    縱向振動下的疲勞壽命估算
  16. Study on the lateral vibration rule of drilling string under reversion

    對鉆柱在反轉情況下橫向振動規律的研究
  17. Through the dynamic character analysis of the large annular cantilever beam string stadium roof structure, it was obtained that the stiffness of the structure was between the stiff structure and flexible structure and the frequencies were dense, vertical vibration was dominant and then the string beam ' s lateral vibration and torsion vibration

    通過對大型環狀懸臂型張弦梁挑蓬結構動力特性分析表明，該結構的剛度介於剛性結構與柔性結構之間，頻譜比較密集，以豎向振動為主，同時伴有張弦梁側向振動和扭轉振動。
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