body forces 中文意思是什麼
body forces
解釋
時間和方向變化的體力-
In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。 -
Drawback occurred in the classical vssmc can be alleviated in the proposed control scheme because of importing the eliminating chatterer. according to the control strategy put forward above, corresponding controller for abs is designed. quarter braking vehicle model with four dof ( including vertical and longitudinal motions of body as well as vertical and spin motions of wheel ) is built considering the effects of wind resistance, longitudinal inertia forces, the vertical dynamics associated with the suspen
總之，基於車輛動力學建模，提出並探索了幾種實用且具有高魯棒性的變結構、模糊控制策略在abs 、 asr及vdsc系統中的應用，而後開發了abs的ecu原形，採用實時硬體在環模擬技術，對三種模糊控制策略進行了性能模擬。 -
On the side the hydrostatic forces that cause a floating body to " rise " will be less
身體在一側將會使「升起」一個浮動身體的流體力學的力量減弱。 -
By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper
本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。 -
If many forces are acting simultaneously in different directions on any body, the direction of its motion will not correspond with any one of the forces, but will always follow a middle course, the summary of them, what is expressed in mechanics by the diagonal of the parallelogram of forces
如果同時有許多各種不相同的力作用於某一物體，該物體運動的方向不可能與任何一個力的運動的方向相符合而總是平均最短的方向，即力學所說的平行四邊形的對角線。 -
Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it
如果物體處于靜止狀態或作勻速直線運動，只要沒有外力作用，物體將保持靜止狀態或勻速直線運動狀態。 -
In a dynamic situation the vector sum of the forces acting on the body vanished as in the static case.
在動力學狀態下，作用在物體上的力的矢量和與靜力學情形一樣化為零。 -
In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the forces acting upon it is zero
就線性運動而論，如果作用於嚴格物體上的諸力的矢量之和是零，那麼這個物體就處于平衡狀態。 -
The flow visualization indicates the primary cause of the phenomena to be a combination of mass transport and vortical structures induced by strong paraelectric and peristaltic electrohydrodynamic ( ehd ) body forces on the flow. the main jobs of this paper can be generalized as follow : 1
流動顯示結果表明了該實驗現象的初步原因，由於在自洽電磁場中等離子體的電流體（ ehd ）順電力與蠕動力誘導了渦和能量輸運所致。 -
We cannot be sure that no forces act just because no other bodies touch or are very close to a given body.
即使一個物體沒有別的物體同它接觸或者離它很近，我們也不敢擔保沒有力作用於它。 -
The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement ， are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation ， we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more ， we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first ， the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations ， dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure ， the computer - oriented procedure can give the whole responses of the beam 。 second ， with compare to the numerical examples ， the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。
本論文為福建省自然科學基金后續研究課題，以已知支撐運動的單個空間懸臂梁為對象，在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力，並在考慮力與變形關系時，用更一般的彈性力學分析代替材料力學分析，進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先，用有限段建立機械臂的多剛體離散模型，用kane動力學方法建立其動力學方程。並用c語言編制演算法程序，採用了四階runge - kutta積分程序求解微分方程組，給出構件的全部動態歷程。 -
The flexible wedges must be properly designed to resist the excessive piping forces during the cool down operation when the cooler body squeezes against the hitter wedge
柔性楔板的設計必須恰當，使之在冷卻器擠壓鉚釘楔板時，能夠承受住環境冷卻過程中管道的過度壓力。 -
Finite element internal force method is presented in this paper to solve it, based on the result of the routine method. this method utilizes the condition of internal force balance of arch system and beam system to solve their internal forces, then to solve dam body ' s equivalent stresses
為此，本文提出了有限元內力法，該方法是根據常規有限元法的分析結果，利用拱和梁的內力平衡條件求解拱梁內力，然後求解壩體等效應力。 -
Enterprise is in the person of enterpriser. enterprisers are the main body, and the advancement and reform forces in society, and the rare manpower resources in modern times, and the pride of a nation. they promote the transform of ages
企業是企業家人格的體現，企業家是企業人格化的主體，是一個社會中的進步勢力和變革力量，是現代社會最為稀缺的人力資源，是一個國家或民族的驕傲，他們推動著時代的變革，時代也要求企業家自身發生變革。 -
Therefore, these equations with vanishing body forces cannot admit plane wave solutions under an arbitrary initial state of stress.
因此，這些方程當徹體力為零時，在任意的初始脅強狀態下並不具備平面波解。 -
1 a planet is a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium nearly round shape, and has cleared the neighbourhood around its orbit
1 .行星是指符合以下特性的天體： a在圍繞著太陽的軌道上運行b有足夠質量以產生引力達至流體靜力平衡的形狀近似球形及c已使其軌道附近清空。 -
2 a dwarf planet is a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium nearly round shape, has not cleared the neighbourhood around its orbit, and is not a satellite
2 .矮行星是指符合以下特性的天體： a在圍繞著太陽的軌道上運行b有足夠質量以產生引力達至流體靜力平衡的形狀近似球形c沒有使其軌道附近清空及d不是衛星。 -
According to the new rules for a planet adopted at an international astronomical union meeting in prague, pluto doesn ' t make the grade for a planet : " a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a nearly round shape, and has cleared the neighborhood around its orbit. " pluto is automatically disqualified because its oblong orbit overlaps with neptune ' s
根據在布拉格舉行的國際天文聯合會會議通過的行星新定義，冥王星達不到行星的級別，即：在繞太陽的軌道上運轉的天體，體積足夠大使其自身的重力可以克服其剛體力呈近似圓球狀，且能夠清除其軌道附近的其他天體。 -
Lu, p., chen, h. b. and mahrenholtz, o. ( 1997 ) : an improvement of boundary element formulation for elasticity with body forces. mechanics research communications, 24, 569 - 574
陳海波，黃穎青，肖奇志，呂品，吳長春（ 1997 ） ：雜交邊界元與有限元的變分耦合方法。計算力學學報， 14卷增刊， 403 406 。 -
Vortex - suppression and vibration - absorption by means of the electromagnetic body forces
電磁消渦與減震技術研究
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