比載荷 的英文怎麼說

中文拼音 [zǎi]
比載荷 英文
unit load
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 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. 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力問題進行了實用化的探討,提出了考慮地基變形的地基承力上程計算方法;對基於彈塑性理論分析的地基承力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承力界限p _ ( 1 / 4 ) ,並與國內外土力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,從而定量上解釋了目前設計規范引用土力學承力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)承力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力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? ?樁端巖基承力的確定問題,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、土力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? ?反力裝置,設計了側壁支撐反力加系統,該加系統具有實用、簡便、穩定及安個等優點。
  2. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入頻率影響因子,對低周、高低周復合作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  3. : 36 < kth < 37 mpa / m3 / 2, 42 < kih < 44mpa / m3 / 2, 51 < kc < 52 mpa / m3 / 2 through the sem fractography, it is know that the susceptibility to brittle failure at room temperature is more than below 100 ?. and the susceptibility to brittle failure increase with hydrogen increasing, under the sustained loading, ductile cracking appears. the quantity of brittle cracking is more with crack growth

    T44mpa m 『 q , sl lt52mpa in 』 」斷口分析表明,該合金充氫后其室溫時的氫脆敏感性大於100oc時的氫脆敏感性;且隨氫含量升高,氫脆敏感性增加:在恆的作用下,該合金裂二紋開始擴展時顯示的是韌性起裂;隨裂紋增長,試樣脆性斷裂的例增大。
  4. A three layered magneto - electro - elastic half - space subjected to vertical mechanical loads, charge or magnetomotive force is analyzed as the numerical example, and the calculative results of two different stacking sequences are compared

    以在垂直機械或電或磁感應強度作用下三層半無限壓電壓磁彈性體為算例,並較了兩種不同材料疊放順序的計算結果。
  5. 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、耗力,例如靜試驗;還有的如低應變、高應變等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。
  6. The evolution laws of structural weight, the best optimum fitness, average fitness, maximum nodal stress and displacement with increasing generations are discussed. and multi - result fact of the topology optimization can be obtained by ga - fem. the research results in this thesis show that the developed method is successful in the topology optimization for 2d continuum structures under multi - load and multi - constrain conditions

    上述工作表明,本文ga ? fem可以實現多、多約束條件下平面連續結構拓撲優化,與eso等優化方法獲得的優化結果相,本文的優化結果不存在單元鉸接和不連續單元,優化結構多樣,質量更小,效果更優。
  7. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-曲線,同時對油泵定子成形過程的影響因素等進行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行較。
  8. After the briefly present the origin and features of internet protocol version 6 ( ipv6 ), the paper detailedly introduced the conception, characters, security technologies of vpn, and main tunnel protocols used to implement and deploy vpns. after analyzing and comparing these technologies of realizing vpns, we choosed ipsec. then, the paper analyzed in the ipsec structure, function, work mode, and its components such as authentication header ( ah ), encapsulating security payload ( esp ), internet key exchange ( ike ), encryption and authentication algorithms, security association, security policy, and how they cooperate with each other in order to secure ip packages

    在簡要介紹ipv6協議的由來和優點之後,詳細闡述了虛擬專用網的概念、特點、安全技術及實現的關鍵隧道協議,通過對實現技術的分析較,選用了安全性強大的ipsec隧道技術,接著深入研究了ipv6安全協議ipsec的體系結構、操作模式,詳細論述了ipsec協議簇的各個組成部分,如認證報頭ah協議、封裝安全esp協議、密鑰管理ike協議、加密認證演算法、安全聯盟和安全策略等,以及這些組件之間如何協作,來共同實現對網路層ip數據包的安全保護。
  9. Moreover, it could do so reliably ? and that means wind power could be used for what is known in the jargon as base - load power supply

    而且這種電網較可靠? ?這意味著,像人們常說的那樣,風能可以被利用來提供基本功率。
  10. The stress distributions under load or unload as well as under fatigue tension with or without split - sleeve were studied, so as to reveal the advantage of coldworking with split - sleeve

    研究了帶襯套擠壓件在加、御及疲勞拉伸狀態下的應力分佈,並和無襯套擠壓時的狀態進行較,從機理上揭示了帶襯套擠壓在改善試件抗疲勞性能方面的優勢所在。
  11. Solid model of the involute worm gearing solid model with drive ratio 1 / 50 is built by using ideas - 5. 0, then the elastic contact analysis is proceeded on the basis of contact fem. the dynamic evolution image of the area of the contact zone, the load sharing among instantaneous meshing tooth pairs, the distribution of the contact force, and tooth stress are obtained. 3

    通過漸開線圓柱蝸桿、蝸輪的齒面方程式,利用ideas - 5 . 0軟體建立了傳動為1 / 50的漸開線圓柱蝸桿傳動的實體幾何模型,在此基礎上應用接觸有限元方法對該傳動進行了彈性接觸分析,包括接觸區的形狀、位置、在瞬時嚙合齒對的分配狀況; 3
  12. The results show that the composites were more wear resistant than the matrix, contributing to the " volume effect " and " size effect ", the wear resistance increases with the particle content and size. the composite shows better wear resistance than high chromium cast iron material especially in low load and fine abrasive test condition. the results also indicate that the composite strengthened by ageing treatment was more wear resistant than as - cast composite

    磨損試驗結果表明,鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料具有較高的抗磨料磨損能力,而且其耐磨性隨著鑄造碳化鎢顆粒體積分數及尺寸的增大而提高,表現出了強烈的「體積效應」及「尺寸效應」 ,尤其是在低、細磨料磨損條件下,復合材料表現出更好的而寸磨性,即使與高鉻鑄鐵( cr28 )相也有很大程度的提高。
  13. But when heavyly loaded, the former is far better than the latter. the wear resistance of za27 alloyed with mn is no obviously better than that of common za27 alloy. under the sliding friction conditions, the wear resistance at high temperature of za27 is improved by alloyed si and reaches the highest level when the content of si is 1 - 3wt. %

    裂紋主要始於脆性相si相和mn相,裂紋沿晶界擴展;在滑動摩擦條件下(常溫) ,含si的za27合金在重較小時,耐磨性與普通za合金相沒有明顯提高,但在較大的情況下,其耐磨性遠高於普通za27合金材料;加mn的za27合金與常規za27合金相,耐磨性沒有明顯提高;在滑動摩擦條件下, si的加入提高了za27合金的高溫摩擦性能。
  14. Compared with non - slung - load flight, additional aerodynamic load, gravity load should be considered in the slung - load system. so the moment to the gravity center, flight mode and the natural frequency will change

    直升機吊掛飛行,與直升機非吊掛飛行狀態相,增加了新的氣動、重力,和因此產生的對直升機重心的力矩,其飛行運動模式、低頻振蕩固有頻率均發生改變。
  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

    動力學分析:建立雅可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,以用於求加速度及力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、重力,從而計算得到各關節的廣義關節力矩,並與等效驅動力矩共同算得各關節的驅動力矩。
  16. Finally, the author analyzed the results of the dynamic simulation and given a rough conclusion about the distribution of the ground loads of the aircraft researched among its different landing gears

    對模擬結果進行對分析,定性地給出該飛機在對稱著陸過程中飛機所受地面在各個起落架緩沖支柱上的分佈關系。
  17. Four contact state depending on rate of rolling / sliding between the couple of contact element were studied based on hertz contact model, and the results was shown that the rate of slide would affect the distribution of pressure in contact area and stress in the half plane

    研究表明安定狀態隨的大小而變化,其殘余應力和應變累積的大小與外加成正,並對計算中的一些問題進行了分析探討。
  18. That is, the load is dropped off in the proportion to the crack length.

    這就是說,隨裂紋長度的增加而按例地下降。
  19. The new machine can increase 3 times the payload asagainst 1988

    新機器的有效1988年增加了兩倍。
  20. It achieves full test automation from calibrating, running, failure diagnosis and data processing, which establish it an intelligent test system. in the software, a curve fitting program which based on the system ' s principle which can greatly improve the calibration precision and a safl mathematical statistics program for the test data are made

    在試驗系統軟體設計上,結合試驗機原理,採用基於原型函數的動態標定數據曲線擬合提高了標定的精度;通過對各種曲軸試驗數據的處理方法,同時考慮在實際運用中的效果,計算機統計採用了疲勞極限統計分析( safl )法。
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