附加質量 的英文怎麼說

中文拼音 [jiāzhíliáng]
附加質量 英文
added ma ,a ociated ma
  • : Ⅰ動詞1 (附帶) attach; add; enclose 2 (靠近) get close to; be near 3 (依從; 依附) agree to; ...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 附加 : 1 (額外加上) add; attach 2 (附帶的; 額外的) additional; additive; attached; appended; append;...
  • 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
  1. 5. the writer made three computation programs for wave force, added mass and added damping, tlp ' s kinetic respondence

    5 .編制了三套程序,可分別用於波浪力、附加質量阻尼、 tlp的動力響應計算。
  2. The way to calculate the added - mass and the damping coefficient of the ship sections by conformal mapping and pulsating source method

    重點介紹了用多級展開法和源匯分佈法求解船體切片段的附加質量及阻尼系數。
  3. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分:首先利用frank源匯法計算水動力系數,計算包括不同吃水時的附加質量和阻尼系數,吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水;然後建立和求解船舶大幅度運動方程,在實際計算時一方面考慮了運動模態之間的耦合,另一方面在計算水動力時,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化,靜浮力的計算精確到船體瞬時濕表面積,最後用四階龍格?庫塔方法在時域內求解船舶運動方程,並進行了載荷計算。
  4. We first calculate the velocity potential between two adjacent time - steps and obtain the inertia force and added mass through integration

    本文通過直接求解船在變速運動時兩個相鄰時刻的速度勢,進而積分得到慣性力及附加質量
  5. 3. it studied the radiation problem of tlp, and paid attention to the computation of added mass and added damping about tlp which cylinders are set as regular polygon

    3 .研究了張力腿平臺的輻射問題,重點研究了浮筒柱正多邊形分佈情況下,總體輻射附加質量和阻尼系數計算問題。
  6. The added mass of the ship of three gorges project is also computed and the curves of the added mass coefficient via the different water domain are obtained. the results should be useful in practice and computer code could be used in relevant areas

    本文給出了船在有限域中運動時,隨有限水域尺寸的變化,附加質量系數的變化趨勢圖,為工程應用提供了參考,同時本文編制的程序可以直接計算各類相關工程問題。
  7. The results show that the added mass coefficient will increase with ( 1 ) the decrease of the distance between ship and chamber sides, ( 2 ) the decrease of the water depth inside the chamber, ( 3 ) the decrease of the distance between the ship and the frontier of the chamber, ( 4 ) the decrease of the depth of guiding channel, ( 5 ) the decrease of the remaining part of the ship in the guiding channel, ( 6 ) the decrease of the distance between the ship and the barrier in front of the ship

    船留在引航道中的部分的減小(當引水航道的水深一定時) 6當船在運動方向有障礙物時,隨船與障礙物之間距離的減小附加質量系數均增大。本文對三峽工程中的實際船進入承船廂時船的附加質量系數進行了計算。
  8. 6. it also studied general variation regularities of wave force, added mass and added damping, tlp ' s kinetic respondence based on engineering examples and got some valuable conclusions ( see text )

    6 .基於工程實例,分別研究了tlp波浪力、附加質量阻尼、 tlp的動力響應的一般規律,得到了一些富有工程意義的結論(詳見正文) 。
  9. In order to reduce the equation complexity and adapt to complicaied noniinear ana1ysis of high arch dams with joints, finite element treatments are used with incompressibie water and massless foundation. the added mass of water and added stiffness of foundation are respectively used to substitute the influence of water and foundations. the efficiency in the computations is improved by means of static condensation

    為適應有橫縫高拱壩非線性分析的復雜性,採用不可壓縮水體和無地基假定進行有限元處理,以水體附加質量和地基剛度近似代替水體和地基的影響,通過靜凝聚提高計算效率。
  10. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點,本文進行了以下的研究工作:在忽略耗能器附加質量的基礎上,推導出適用於耗能減震結構的攝動法,減少振型分解法在迭代計算過程中的工作快計算速度;針對運動方程的強行解耦所產生的誤差,根據攝動法原理,對其進行一階攝動修正;為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差,引入狀態空間對系統進行復模態分析,並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法;對于耗能器的數和位置優化進行了一些探討和研究。
  11. Supplementary quality assurance requirements for subsurface investigations for nuclear power plants

    核電廠地表以下勘測的附加質量保證要求
  12. Supplementary quality assurance requirements for installation, inspection and testing of mechanical equipment and systems for the construction phase of nuclear power plants

    核電廠建築階段機械設備和系統的安裝,檢驗和測試用附加質量保證要求
  13. Supplementary quality assurance requirements for installation, inspection and testing of mechanical equipment and systems for the construction phase of nuclear power plants ; addenda

    核電廠建築階段機械設備和系統的安裝,檢驗和測試用附加質量保證要求.
  14. Supplementary quality assurance requirements for installation, inspection, and testing of structural concrete, structural steel, soils, and foundations during the construction phase of nuclear power plants

    核電廠建築階段結構混凝土,結構鋼,土和地基的安裝,檢驗以及測試用附加質量保證要求
  15. This thesis intends to extend the frequency range of a shaker, minimize the impact of the additional mass and stiffness on the assessment results and make the frequency property of a shaker flat

    本文旨在拓寬激振器的使用頻率范圍,減小激振器附加質量剛度對測試結果的影響,並使激振器具有平坦的頻率特性。
  16. A method of online damage identification for structures based on ambient vibration

    結構振動誘導流場及附加質量的數值分析
  17. Then the general plan of underwater vibrators is put forward. in chapter 3, combining fluid - solid coupling theory and mechanical vibration theory, we get the coupling equation of moving parts and water. the dynamic characteristics of moving parts are studied with theory of finite element, and additional mass of moving parts is found in fluid - solid coupling field, which makes vibrator ' s natural frequency descend and amplitude - frequency curve downward shift

    第三章運用流固耦合理論和機械振動學理論相結合的方法建立運動部件與水的耦合運動方程,利用有限元法對其的動態特性進行了研究,得到了在流固耦合場下運動部件存在的附加質量,該附加質量導致固有頻率下降,單位推力下的速度頻響曲線整體下移。
  18. In order to verify the feasibility of the present method, chapter 3 takes the fluid flow of sphere, cylinder and the additive mass of two spheres as three examples, finishes the calculation by disposing the source or sink whose strength is expressed as the format of nurbs and emphatically the processing of the singular integral. it can be drawn from the comparison of the results of present method and the theoretical solution, i. e. a good precision can be gotten under a few collocation points with the method

    為了考查本文方法的可行性,第3章以圓球體繞流、圓柱繞流以及兩個等圓球體在流場中的附加質量作為例子,通過在物體表面布置強度以非均勻有理b樣條表達的源匯和著重對奇異積分的處理后完成了相應的計算,從與理論解的比較可以看出本方法的優越:在數目很少的配置點下數值解可取得十分良好的精度。
  19. To verify our computer code, we compute the added mass of a cylinder in the infinite domain and the semi - infinite domain as well as the inner one of two concentric cylinders, respectively. computational results match the analytical solutions quite well and we obtain certain valuable conclusions about added mass in different situations

    為驗證程序的正確性,本文分別對單圓柱體在無限域和半無限域中運動的附加質量及雙圓柱體同心放置時內圓柱運動的附加質量分別進行了計算,計算值與理論值吻合很好;本文通過計算船在不同尺寸的船廂中運動的附加質量得出,隨下列條件的改變: 1
  20. Some examples are given, showing that density stratification can have a large effect on the added mass and damping of the floating rectangular box in a two - layer fluid over a range of frequencies

    對所建立的求解模型進行了數值計算分析,結果表明在矩形箱浮體的某個振蕩頻率范圍內,流體的分層效應對其附加質量和阻尼系數有顯著影響的。
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