靜態阻力 的英文怎麼說
中文拼音 [jìngtàizǔlì]
靜態阻力
英文
stiction- 靜 : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 靜態 : [物理學] static state; quiescent condition; steady state; statics; dead level; akinesis; akynesis...
- 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
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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。In this paper, nonlinear static analysis methods, structural dynamic time history analyses based on structural state equation in hamilton system, multi - mode control theories of multiple tuned mass dampers, and semi active control laws of " on - off " are investigated
本文分析和研究了結構靜力彈塑性分析方法、基於hamilton體系下結構狀態方程求解結構動力學問題的數值逐步積分方法、多重調諧質量阻尼器( mtmd )的多模態控制理論以及建築結構的半主動控制律。Put up the cold experiment of the three - phase fluidized bed with multiple orifice balls, research on the influence of the superficial gas velocity, the filler static height and the liquid density on the resistance character and the desulfurized efficiency, summarize the virtue of multiple orifice balls
摘要對多孔球為填料的三相流化床進行冷態試驗研究,研究不同工況下氣體空塔流速、填料靜止高度、噴淋密度等因素對流化床阻力特性和脫硫效率的影響。The effect of initial static load on the instantaneous response makes the amplitude of vibration of horizontal and vertical displacement bigger than that without the effect
初始靜力效應對結構瞬態響應的影響與剛度、質量、阻尼等因素有關,剛度越小,質量、阻尼越大時,初始靜力荷載效應對結構最大位移影響越小。A lumped parameter model was developed for predicting the transient motion of mirrors, taking into account electrostatic and tensile forces and viscous air damping via squeeze film theory
考慮靜電驅動力、張力和空氣阻尼衰減對變形鏡回復過程的影響,建立一種復合參數模型來預測變形鏡的瞬態行為。With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied
採用在沿程測量氣流靜壓分佈、在出口測量速度分佈的方法,對高度0 . 5mm和1 . 0mm的13個微小直矩形通道的500多個狀態流場進行了測量,研究了特徵尺度、表面粗糙度、橫截面寬高比等因素對微小等直通道流動阻力特性的影響。These changes violate newton ' s first law, the law of inertia which implies that more energy is needed to change inertia ( to overcome frictional forces and inertia ) than to maintain inertia ( to overcome only frictional forces )
這些變化違背了牛頓第一定律,也就是慣性定理在不受外力或所受外力為零的狀態下,物體總保持勻速運動或靜止也就是要改變物體的慣性需要額外的能量(以克服摩擦阻力和慣性)大於保持物體慣性的能量(僅克服摩擦阻力) 。In fundamental theory, adaptive optics, electrostatic actuation, flexure beam theory and squeeze film damping are researched ; in fabrication, bulk micro fabrication process and surface micro fabrication process are researched and compared, then the structure parameters and layout of a 8 x 8 micromirror array are designed using summit foundry ; in analysis, analytical and numerical method are used to perform static analysis, modal analysis, transient analysis, frequency analysis and to characterize the farfield performance of this 8x8 micromirror array. finally, in order to realize large scale micromirror array with lower snap down voltage, advices are given for further research
在基本理論方面,通過對自適應光學,靜電力驅動,彈性梁理論和擠壓薄膜阻尼的研究,確定了微變形鏡的配置方案;在加工方面對體加工工藝, mumps工藝和summit工藝進行了研究與比較,並選用殘余應力小,表面質量好的summit工藝對8 8的微變形鏡陣列原型進行了結構設計與版圖設計;在分析方面主要對微變形鏡單元的靜態特性,模態特性,瞬態響應,頻率響應和8 8規模的微變形鏡陣列的遠場光學模型進行了研究,確定了微變形鏡的性能參數。In this paper, a shear mode mr elastomer damper was designed and manufactured ; the pulse responses of a one - disk cantilever rotor supported on the mr elastomer damper were experimented in the stationary state ; and the mechanical properties of the system were analyzed
設計製作了一種剪切式磁流變彈性體阻尼器,試驗研究了支承在該阻尼器上的單盤懸臂轉子系統在靜止狀態下的脈沖激振響應,並分析了系統的力學特性。Following the architecture description of rtps middleware, two critical implementation issues are carried out : the first, object - oriented multi - threaded architecture. to avoid negative effect brought by the block, and to improve the realtime responsive ability of the system, we decouple the event processing from its transportation ; the second, pooled memory allocationjn order to decrease the time - and - space overhead due to dynamic memory allocation, thus to improve the dynamic performance of the realtime publish - subscribe system and the predictability of runtime end - to - end qos, we adopt the pooled allocation to change many dynamic system calls into one static system call and several user interface calls in fixed time
通過將事件的輸送與處理解耦以避免阻塞所帶來的影響、改善系統的實時響應能力,通過面向對象的多線程並發以支持異步事件的實時並發處理並獲得系統結構上的靈活性;其二,池式內存分配。通過內存池分配方式將客戶的大量動態系統調用轉化為一次靜態系統調用和數次固定時間的用戶介面調用以減少動態內存分配的時空開銷,從而改善實時發布-訂閱系統的動態性能與提高其運行時端對端服務質量的( end - to - endqos )可預測性。New type of mr damper is designed and made based on the quasi - static model, so called parallel - plate model of mr dampers, which has the advantage of high dynamic range and stable performance
本文在mr阻尼器的準靜態力學模型基礎上,設計製作了新型mr阻尼器,該阻尼器具有適用范圍廣,性能穩定的特點。An experimental investigation on the flow and heat transfer characteristics in rectangular channel with internal netted rib turbulators is conducted
本文對網格式肋化內冷通道在靜止狀態下的強化傳熱與流動阻力特性進行了實驗研究。Study of calculating flow resistance of fluid flowing through sk - static mixer in laminar flow
型靜態混合器中作層流流動時流體阻力計算的探討The test simulation system include simulation cabin, air inlet system, exterior ambient simulation system, indirect pneumatic pressure regulator and data acquisition system
整個試驗內容包括壓力調節器阻力特性試驗、車外壓力為負壓時的靜態試驗、車內壓力為正壓時的靜態試驗及車外壓力變化的動態試驗。分享友人