virtual force 中文意思是什麼

virtual force 解釋
虛力
  • virtual : adj. 1. 實際上的,實質上的,事實上的。2. 【物理學】虛像的。3. 【物理學】有效的;【計算機】(網上)虛擬的。4. 〈古語〉具有可產生某種效果之內在力的。
  • force : n 1 力,勢。2 體力,氣力,精力,魄力。3 暴力,壓力;兵力,武力。4 〈pl 〉 部隊,軍隊,兵力。5 勢...
  1. The magnitude of the external virtual force is irrelevant.

    外虛力的大小是無關的。
  2. Manipulate mechanism with concentrative link lever has important significance to improve maneuverability of bulldozer currently. this thesis includes : designing manipulate mechanism with concentrative link lever and simply calculating force and displacement for operation, based on the referring existing manipulate mechanism of bulldozer ; using high - grade 3 - dimensional plotting software ug ( unigraphics ) to sculpt ; using adams ( automatic dynamic analysis of mechanical systems ) to establish virtual prototyping model and do kinematic simulation. the results verify the rationality of this mechanism and provide the basis for trial - manufacture of physical prototyping and betterment design

    本文做的主要工作是:參考推土機原有的變速轉向操縱機構,設計了集中連桿操縱機構並進行操縱力和操縱行程的簡單計算;使用高檔三維造型軟體ug (全稱unigraphics )進行推土機集中連桿操縱機構的造型設計;應用機械繫統運動學/動力學模擬分析軟體adams ( automaticdynamicanalysisofmechanicalsystems )對所設計的機構建立虛擬樣機,並進行運動學模擬分析,驗證了機構設計的合理性,為物理樣機的試制和改進設計提供了依據。
  3. The living example model has used the trial model of reality, thus for the initial stage calculation data has provided effectively and verifys this text is aimed at giving an economy practical virtual reality method and the train of thought to the resisted fire research aspect of prestressing force net frame

    從對預應力網架結構在火災作用下的的計算中發現預應力網架結構的抗火特性和普通網架抗火特性的差異,為預應力網架結構的工程實用安全性提供一定的參考。本文旨在對預應力網架的抗火研究方面給出一個經濟實用的虛擬現實的方法和思路。
  4. This paper employs the dynamic - static force principle to simplify the mathematical models, and employs the virtual - displacement principle and adopts the sor digital algorism to extract the dynamical performances. the solutions extracted is coincidental with the practical situations

    本論文應用了達朗貝爾原理簡化數學模型,並應用虛位移原理和sor迭代法求解機構的動力特性,求得的模擬曲線與實際情況比較吻合。
  5. Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model

    本文在國內外已有的研究基礎上,首先建立了以k - (封閉模型為基礎的三維擬單相流模型,該模型的特點在於充分考慮了氣液兩相間相互作用的影響,即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響;並建立了塔板三維雙流體模型,主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果,建立能夠準確描述塔板上流體流動的數學模型。
  6. According to dynamical characteristic of the bubble motion in the flow field, and under the assumptions of isothermal system without interior heat source, uniform bubble size, and ignoring surface tension, the mathematical expressions for interfacial momentum exchanges have been deduced which include drag, virtual mass force, and lift

    針對氣液泡狀流中氣泡運動力學特性,在系統絕熱、無內熱源、忽略表面張力、氣泡尺寸均一前提下建立了氣液相間曳力、虛質量力、升力的數學模型表達式。
  7. Secondly, i applied the method of matrix analysis to build up mathematic model of swaying platform, and solved the question of motion anti - solution, velocity and acceleration. then i analyzed the dynamics problems of the swaying platform. based on the calculation of the swaying platform ’ s force and moment, built up the dynamics equations of swaying platform by using virtual work principle

    其次,應用矩陣分析和齊次坐標變換建立了搖擺臺的運動學數學模型,從反運動學的角度分析了搖擺臺的位置、速度和加速度的反解方程;分析了搖擺臺的動力學問題,通過對搖擺臺的驅動桿進行附加力和附加力矩計算,並利用達朗貝爾原理和虛功原理,建立了搖擺臺的動力學方程。
  8. In this thesis, some work has been done : fisrtly, based on the thorough investigation of the mechanism project, combining concept diagram, the literal description and the formula analysis together for programing motion of the robot ; secondly, according to soil mechanics principle and pressuremeter theories, the model which reflect the interaction force between robot and soil are founded ; thirdly, proceed the analysis and solution ; using virtual prototyping software - adams to optimize the mechanism model and analyze the mechanics ; furthermore compared the analysis calculation result of the above both side, we verify the possibility that the robot dig hole and move in soil ; finally, construction model is consummated based on the optimized result, the mechanism motion and the simulation animation of whole harmonious motion is fulfilled by three dimension simulation software - 3dmax

    論文的主要工作有:首先,在對機構方案進行了深入研究的基礎上,以概念圖標表示、文字描述和公式分析相結合的研究方法對機器人進行了運動規劃;其次,根據土力學原理和旁壓理論建立了機器人在土質環境下的受力模型並進行了分析求解;然後,藉助于虛擬樣機軟體adams對機構模型進行優化和力學分析;除此之外,通過對上述兩方面分析計算結果的比較,驗證了該機器人在土質環境下拱洞和蠕動爬行的可行性;最後,在優化結果基礎上進一步完善了結構模型,通過三維模擬軟體3dmax實現了機構運動和整體協調運動動畫的模擬。
  9. Talk about how to use the virtual work principle to solve the relative problems of electrostatics, show it ' s simple, direct and convenient to use virtual work principle in working out electric field intensity, electric field force, moment of force

    舉例討論了應用虛功原理求解靜電學有關問題的具體做法,說明在求解電場強度、電場力、力矩等矢量時,應用該原理確實簡捷、方便。
  10. In allusion to all of the autonomous tugboats within the system of marine simulator being in a complicated dynamic environment, an virtual force guidance system for dynamic motion planning based on intranet transmitting and man - made field of potential is proposed

    針對航海模擬器視景系統中自主拖輪均處于復雜的動態環境,提出了一種基於局域網傳輸和人工勢場相結合的虛力導航和運動規劃演算法。
  11. Unit virtual force

    單位虛力
  12. The article studies a virtual fine boring system and its cutting data and presents a method to calculate the coefficient of cutting force when boring super - hard steel

    摘要研究了實際的精密鏜削系統及其切削數據,用計算方法探討了用於計算超硬鋼鏜削切削力的系數。
  13. In the 1 ight of results, the interphase pressure can be ignored and the interphase lift force plays a trifling role in the friction reduction, while the gravity - buoyancy, the interphase drag force and the virtual mass force are influential, especially in the bigger bubble

    結果表明,相間壓力可以忽略掉,相間升力起的作用比較小,而重力-浮力、相間阻力和虛質量力的影響比較大,特別是在大氣泡中。
  14. A research on virtual analyzer of cutting force and its implementation

    虛擬測力儀的研製
  15. Upon those theory studies, under the simulation environment of adams software, the 3 - d virtual prototype model was simulated according to actual gorilla robot “ gorobot ”. and in simulation studies, this paper realized biped steady dynamic forward - walking, upstairs and downstairs biped walking, walking mode shifting and rationality of the method for pattern generation was validated in this paper. by the simulation, the curves of joints drive torque and ground reaction force for landing - foot were gained

    基於上述的理論,在模擬軟體adams的環境下對類人猿機器人「 gorobot 」模擬實現了雙足前向穩定動步行,雙足上下臺階,步行方式動態轉換過程,從而驗證了本文的步行樣本生成方法的正確性和合理性;通過模擬得到的關節力矩曲線、著地腳的地面反力曲線等模擬結果驗證了機器人步行和步行方式轉換的能力。
  16. Virtual surgery simulation is a virtual reality system used to simulate all kinds of phenomenon of surgery. for surgical simulation to be a useful training and simulation tool it must he realistic with respect to tissue deformation, tool interactions, visua rendering, force feedback and real - time response

    其研究內容包括對醫學數據的交互與可視化、虛擬人體器官在虛擬手術器械作用下的各種變化的模擬及對操作人員的各種感官反饋(如視覺反饋和力反饋等)的模擬等,是虛擬現實技術在醫學領域中的重要應用。
  17. On class d. in this way, an abstract class can force derived classes to provide new method implementations for virtual methods

    。在此情況下,抽象類可以強制派生類為虛方法提供新的方法實現。
  18. In this paper, the mechanics model and computer control method for electromagnetism vibration feeder are studied. the emphases are put on the seeking of optical motion states and the realization of these states by computer control. using labview ( laboratory virtual instrument engineering workbench ), a waveform generator is established to control the electromagnetic force

    本文對電磁振動給料機的力學模型與計算機控製做了比較深入的分析和研究,特別是給料機的力學分析與最佳運動狀態、電磁鐵的一些特性和用labview實現計算機控制,在與傳統的控制方法對照的情況下,建立了對比較周全的力學模型,提出了利用labview程序產生一個波形發生器,經過放大后對電磁鐵進行控制。
  19. Preliminary study on force feedback of acupuncture in virtual reality based on the visible human

    數字人體的針灸力感虛擬現實初步研究
  20. Based on the virtual work increment equation of updated lagrangian formulation, tangent stiffness matrix of spatial beam / truss element is obtained. according to base assumptions and catenary equation of cable, the iterative formulations of tangent stiffness matrix and nodal force of the spatial two - node catenary cable element are put forward. therefore the entire geometrical non - linear finite element theory for the analysis of suspension bridges is established

    本文的研究工作和取得的主要成果有: 1 .將大旋轉小應變空間梁(桿)單元與兩節點空間懸鏈線索單元結合起來,形成了一套完整的適合於懸索橋結構分析的幾何非線性有限元計算方法。
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