等力載荷 的英文怎麼說

中文拼音 [děngzǎi]
等力載荷 英文
equipollent load
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 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...
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 荷名詞(蓮) lotus
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving

    在此分析過程中:首先將物理模型簡化為學模型,主要是將塔架結構按空間桿單元簡化為空間桁架結構,目的是將學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風計算,再將計算結論整合入algorfeas產生的初始數據卡中,生成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同情況下的應圖,位移圖,並且求出在不同條件下的最大位移和最大應;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承問題進行了實用化的探討,提出了考慮地基變形的地基承上程計算方法;對基於彈塑性理論分析的地基承國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承界限p _ ( 1 / 4 ) ,並與國內外土學專著及地基基礎設計規范中的條形基礎(平面問題)的界限p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土學承公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承的動測法進行了研究,為各類地基(包括巖基) ,匯總了動分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土學計算及深斤試驗四方面進行了深入討論;本文作者根據多年現場試驗的工程實踐,對深井試驗裝置的核心部分? ?反裝置,設計了側壁支撐反系統,該加系統具有實用、簡便、穩定及安個優點。
  3. When reinforced concrete upper structure - piled raft - subsoil system is studied, every part of this system is looked upon homogeneous discrete space. accofding to static equivalent principle, equivalent node loads are calculated, and load embattle is integrated with element equivalent node force and directly bearing load

    在分析時,本文將鋼筋混凝土上部結構和地基、基礎的研究問題視為各向同性空間問題,且按靜效原則計算效節點列陣由單元效結點和直接作用於單元結點上結點集成而得。
  4. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸脊柱損傷的生物學以及研究人體脊柱耐受沖擊的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系數因子和阻尼系數因子
  5. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜和動作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振系數相應方法來加以體現。
  6. Nowadays, the ways to detect the piles are various, and all of them are limited in some aspects. for instance, coring test do large scathe on the piles, and static load test will waste much time, money and energy, while some ways are hard to operate as the limitation of the length and the diameter of the piles, and the special condition on the spots, such as high - strain, low - strain, and so on. furthermore, the result can only be gained under the complex analysis of the collected wave, and under the validation of the coring test

    目前,工程中常用的樁基檢測方法很多,但都存在著一些弊端:有的對樁破壞性嚴重,例如抽芯檢測;有的耗時、耗財、耗,例如靜試驗;還有的如低應變、高應變檢測技術由於受到樁長、樁徑以及現場一些特殊情況的限制,操作很不方便,而且採集到的波形要經過比較復雜的處理分析方能得出結論,而這個結論卻還要輔助取芯手段加以驗證。
  7. The stresses acting over the surface of the body must produce tractions which are equivalent to the loads being applied to the body.

    作用在物體整個表面上的應所產生的面,必須與作用在物體上的
  8. In this dissertation, according to the theory of mechanical dynamics and multi - body dynamics, a simulation model of nj2046 light off - road vehicle including suspension system, steering system and tires is built with the software carsim and so the vehicle steering characteristics are analyzed with the step angle input of steering wheel. it is found that the steering characteristics are different when the velocity and load are different, and the relationship between steering characteristics and velocity and load is presented

    本文根據機械繫統動學、多體動學理論,運用動學模擬軟體carsim建立了包括懸架系統、轉向系統和輪胎模型的nj2046越野汽車整車模擬模型,在此基礎上分析了nj2046越野汽車在方向盤轉角階躍輸入時的轉向特性,通過對不同車速、不同條件下的模擬計算,得出了在這些條件下該車具有的不同表現特徵,揭示了轉向特性與車速、和輪胎的內在關系。
  9. According to mechanics theory the formulary of flexural rigidity, axial rigidity, shearing rigidity are deduced. the framework membrane structures are widely used present. the nonlinear finite element method is used in this dissertation, after form - finding the shape are overlapped the framework structure, the shape and the framework structure make up integrality structure, the nonlinear finite element method is employed, due to deadweight and wind load and snow load and self - stressing the response of the framework membrane structures are analyzed, and computation results of integrality model and dividing model have been compared

    骨架式膜結構是目前應用最廣泛的的膜結構,本文運用非線性有限元理論,將找形后的膜面覆蓋在骨架結構上,膜面與鋼結構組成整體,採用非線性有限元方法對骨架式膜結構在自重和自應、風、雪共同作用下的反應進行了分析,對膜結構和骨架結構分開計算和整體計算模型進行了比較。
  10. The sea1 ring with complex section shape cafl be treated as a combined body made of several individual cy1 inders with di fferent dimensions. by app1ying the method used in the " edge prob1 em " of the fnoment theory of she11, the deformat ion - - - radia1 disp1acement and rotation at the two edges of each individual

    應用殼體矩理論中求解邊緣問題的方法,將密封環分解為多個厚度、截面為單一矩形的筒體,對每一圓筒進行分析並運用殼體矩理論求出其兩個邊緣在外作用下的邊緣變形值? ?徑向位移及轉角。
  11. The main research is below : ( 1 ) the influence to intensity and rigid with corner angle ( 60, 75 and 90 degree ) of crack and the board axes ( 2 ) do a fem stress / strain and crack growth simulation analysis when the corner angle of crack and the board axes is 60 degree ( 3 ) do a intensity resume analysis for the structure which is repaired with a titanium patch in a mechanical way when the corner angle of crack and the board axes is 60 degree through simulation analysis for three failure criterion, we have : ( 1 ) in 60, damage extend quickly with damage analysis in hashin criterion ; it is slower for analysis in maximum stress or hashin - rotem criterion. ( 2 ) in special term ( physical condition incision, shape or maximum load ) the compression strength of the stiffened plate will decline 45 % ~ 50 % under compression loads

    通過採用三個不同損傷判據的數值模擬模擬,得到如下結論: ( 1 )在60時,用hashin判據進行的損傷分析,損傷擴展較快;最大應及hashin - rotem判據進行的損傷分析,損傷擴展基本相當,且較慢; ( 2 )在所給加筋板的物理條件、切口大小及形狀、最大一定的條件下,該加筋板在壓縮作用下,其壓縮強度下降了45 50 ; ( 3 )在本文提及到的機械連接修理方法以及條件下,修理后的結構強度恢復能夠滿足戰時要求。
  12. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受和變形特點,採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將溫度場作為體處理,建立了符合實際的加熱彎管問題數值模擬學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推、彎矩、支撐大小及其變化趨勢。
  13. Load simulator was an important simulation system in hardware - in - loop flight simulation laboratory, which could simulate aerodynamic loads acting on flight vehicle, such as unmanned aerial vehicle, planes

    模擬器是半實物模擬實驗室中模擬無人機飛行器在飛行中舵面所受空氣動的重要設備。
  14. Electro - hydraulic servo loading system ( ehsls ) is an important simulation system in hardware - in - loop flight simulation laboratory, which can simulate aerodynamic loads acting on flight vehicle, such as missiles, planes. it is one of most important devices in the whole flight vehicle simulation system

    電液伺服加系統是半實物模擬實驗室中模擬導彈飛行器在飛行中舵面所受空氣動的重要設備,它是飛行器大迴路半實物模擬系統的重要組成部分。
  15. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    學分析:建立雅可比矩陣將關節空間的各關節的微分運動傳遞到笛卡爾空間,使末端執行器位姿產生微分運動,以用於求加速度及在不同坐標系間的線性變換,再用拉格朗日法計算兩機械手的有效慣量、偶合慣量、重,從而計算得到各關節的廣義關節矩,並與效驅動矩共同算得各關節的驅動矩。
  16. The choice of laser output window height is relation to many factors, such as pressure loading, thermal loading, yield stress, influence on wavefront, failure by fatigue. spherical windows can endure higher laser intensity. however, it brings some phaseshifts, which connect with laser windows parameters

    激光器輸出窗口厚度的選取與壓、熱、材料極限強度、厚度對波前的影響、材料疲勞多種因素有關,由於球殼窗口能承受較高的功率密度,但窗口本身帶來相移,該相移大小與窗口參數有關,根據位相均方根值選擇球殼窗口參數。
  17. By constructing a simplified model of the beam in computer, every mode of vibration has been analyzed through finite element method on ansys platform. both transient analysis and dynamic analysis have been carried out by properly converting the real loads to the equivalent ones, which are comparatively easy to manipulate for the software

    建立了梁的簡化模型,進行了智能梁結構的有限元分析,得到了梁的各階模態,並在此基礎上利用對梁進行了動學分析及瞬態響應分析,得到了梁的各階模態下驅動器放置的最優布局。
  18. In order to determine thermal loading and working pressure of nozzle inner contour, the gas was regarded as one dimensional isentropic flow, and temperature field of nozzle was computed based on three - dimension finite element model

    將燃氣簡化為一維熵流以確定噴管內型面所承受的溫度和壓,基於三維有限元模型,計算了噴管的瞬時溫度場。
  19. The substance of problems in simulating the damage and failure processes of material under dynamic loading, such as impact and penetration, is that the mechanics model of material transfers from continuum to noncontinuum

    材料在沖擊、侵徹作用下產生損傷和破壞的過程,其實質是學模型從連續體到非連續體的轉變過程。
  20. Two models for dynamic damage evolution of materials in general anisotropic damage state were presented ; the first one was based on power function of the effective equivalent stress and the second on the damage strain energy release rate

    研究了工程材料在動下損傷演化的計算模型,提出了一般材料在各向異性損傷狀態下的兩種動損傷模型。第一種以有效應效值的冪函數為基礎,第二種以損傷應變能釋放率為基礎。
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