彈針法 的英文怎麼說

中文拼音 [dànzhēnfǎ]
彈針法 英文
vibrating the needle
  • 彈 : 彈名詞1. （彈子; 小球形的東西） ball; pellet 2. （內裝爆炸物, 具有破壞和殺傷能力的東西） bullet; bomb
  • 針 : Ⅰ名詞1 （縫衣物用的工具） needle 2 （細長像針的東西） needle like things 3 （針劑） injection; sh...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  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載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載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載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）的界限荷載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力學承載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）承載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? ?樁端巖基承載力的確定問題，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、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  2. After canvassing the basic theories and methods of reliability and optimization design of the transmission system, analyze the designs of the v - belt transmission, arc cone gear and disk spring separately. it is propitious to raise efficiency, improve capability, increase reliability, and decrease cost and so on

    在研究了機械可靠性優化設計基本理論和方法之後，分別分析了v型帶傳動、圓弧錐齒輪、液壓卡盤碟型彈簧的可靠性優化設計，對其進行針對性的研究，並通過試驗對設計結果進行檢驗。
  3. With a view to the contactor counterforce, which was calculated by the combination of spring - force and mechanical construction before, had the problem of mechanical matching. the contactor counterforce " one - off " measurement, which is realized by the synchronization testing of the placement based on opto - mechanism and the spring counterforce for the moving component, is put forward the fist time

    針對現階段接觸器反力特性主要採用彈簧力與機械結構組合的計算方法，存在機械配合性問題，將接觸器光機電位移檢測與可動部件彈簧反力特性檢測同步進行，首次實現了接觸器反力一位移特性的「一次性」測量。
  4. In the chapter 3, algor feas ( also called super sap ), a commercial fem software is introduced ; several. problems in building the finite element model of a auto frame is researched ; taking advantages of fem and mathematic programming, a strength analysis method of the frame of a series multi - spindle hydropneumatic suspension automobile is proposed ; taking the structure and load characteristic of a missile ' s frame into account, the static, eigenvalue and response analysis have been made by using super sap91

    第三章簡要介紹了大型有限元軟體sap91 ；對車架有限元建模及分析中的若干問題進行了討論；利用有限元法和數學規劃法相結合，提出了一種串聯多軸油氣彈簧懸架車輛車架強度分析的方法；針對某導彈發射車車架的結構和載荷特點，利用sap91軟體對其進行靜力分析、特徵值分析和動力響應分析。
  5. As to planar visco - elastic prediction of settlement, this paper fixes on range of the back - calculation parameters range, analyzes back - calculation parameters which are indispensably in the course of anti - analysis. since it is difficult to acquire the optimization result in simultaneous back - calculation, this paper puts forward a calculation method which combined with investigation data and field experiment data to minimize the parameters to get optimization

    （ 2 ）針對二維粘彈性沉降預測，確定了模型反演參數的取值范圍，對于多層軟土地基變量同時反演很難獲得最優解的問題，提出結合工程勘察和現場實驗以減少參數的方法獲得最優解。
  6. Firstly it discusses the value, meaning, background and method of this topic. then it deducts the single - bubble sound pressure, spectrum of sound pressure, power spectrum. according to the real situation of traveling bubble cavitation noise around a schiebe body, the mathematical model of single - bubble collapse is selected, furthermore, the mathematical model of mass traveling bubbles without interference effect is established, and the multi - peaks and rebound phenomenon while bubbles collapse is also analyzed with statistical method

    首先論證了本項研究的意義，價值，背景和方法，然後推出了單空泡輻射噪聲聲壓，聲壓譜和功率譜，針對回轉體流動泡空化噪聲的具體情況，選擇了雙指數模型作為單空泡潰滅的數學模型，進一步建立了無干涉條件下的群泡輻射噪聲的數學模型，並用統計的方法分析了空泡潰滅時的多峰值和反彈現象。
  7. Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load

    針對當前國內外彈性地基梁法存在的缺陷，基於對軟土流變性的研究，採取了剪應力判斷彈塑性狀態，以改進和完善基坑工程彈性地基梁法，推導了彈性狀態下地基反力系數的近似解，提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法，編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 （ doubleplasticfoundationbeammethod （ version1 . 0 ） ） ，並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。
  8. The optimum balancing of a four bar linkage with elastic links is studied, in which the control torque of redundant drives is taken as the design variable, and the shaking force and shaking moment of the mechanism are taken as the objective. the numerical simulation shows validity of the method

    針對一平面彈性四連桿機構，以其震動力和震動力矩的加權和為目標函數，以冗餘驅動力矩為變量，對附加冗餘驅動的彈性機構進行最優平衡，其模擬結果表明該方法是有效的。
  9. 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力和變形特點，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等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，將溫度場作為體載荷處理，建立了符合實際的加熱彎管問題數值模擬力學模型：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，獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。
  10. Secondly, for the elastic deflection and vibration of a free - floating flexible dual - arm space robot, an approach for lq optimum vibration suppression is developed, and some simulation results conducted to verify the effectiveness of the proposed methods

    接著，針對空間柔性機械臂的彈性形變和振動問題，本文設計了lq最優控制器對其進行振動主動控制，並通過大量的模擬結果證明了方法的有效性。
  11. The result indicates that the nonlinear elastic model is appropriate for better foundation condition, while the viscoelastic model is appropriate for worse foundation condition. according to the uniqueness of back analysis solution, it is put forward a method for the back analysis of layer - wise and section - wise iteratively. which is showed advantage by the calculation result

    分析表明，非線性彈性模型一般適合地基較好的情況，而對于地基較差的情況宜採用粘彈性模型；針對反演計算解的唯一性問題，提出了分層分部反演迭代的計算方法，計算表明，該方法具有一定的優越性。
  12. The study of reliability optimum design of self - energizing overrunning spring clutch is raised to meet the following requirement : smaller size, less producing heat and overrunning friction loss in opposite direction. it is important investigating substance in the field to all the country in the world. it is application of modern advanced design method in engineering practice

    自激式超越彈簧離合器可靠性優化設計的研究，是針對超越式離合器要求空間尺寸小、溫升小、反向超越時摩擦損耗小而提出的，這也是世界各國在該領域中的重要研究內容，是現代先進設計方法在工程實際中的具體應用。
  13. Aiming at the high - speed impact characteristics of fuze pressure sensor when the percussion of the projectile, according to the requirement of developing fuze pressure sensor, the method of anti - ballistic simulation was adopted to design a suit of performance measuring device it could dynamically calibrate and simulate the process of collision between the projectile and the targets at the different angles and speeds

    摘要針對引信壓力傳感器在彈丸著發時處于高速沖擊狀態的特點，根據研製引信壓力傳感器的要求，採用反彈道模擬的方法，設計了一套既可對傳感器進行動態標定又可模擬彈丸以不同著角、不同速度碰撞目標時對傳感器進行性能測試的裝置。
  14. However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading

    最後，針對外載與自重共同作用下，傳統光彈性分析法中採用離心力場模擬重力場獲得自重應力的試驗投資耗費大、技術復雜且難度大和不安全等嚴重缺點，按照結構相似的模型理論，本文提出模型外載與自重並存變動外載的光彈性分析法，導出處理這個問題具體的相似律和試驗原理及方法，進行了典型實驗驗證，指出僅用外載作用的模型試驗，即不用離心力場模擬重力場的模擬試驗，就可以獲得上述兩種載荷共同作用下的應力分析結果。
  15. We outline the method here only for the first and second problems of elastodynamics.

    在這里我們只針對第一類和第二類彈性動力學問題來概述這種方法。
  16. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法，分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題： （ 1 ）在分析現有幾種典型的管道垂直土壓力計算方法的基礎上，探討了影響垂直土壓力的主要因素以及改進的方法； （ 2 ）分別通過彈性理論分析法和結構力學的方法，建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程，並應用在算例中，把所得結果和有限元方法所得結果進行對比分析； （ 3 ）考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響，利用有限元的思路，建立了地下管道橫向力學有限元計算模型和方法，並且採用大型有限元分析軟體ansys ，針對上埋式管道工程算例，得出了管周土壓力以及管道橫截面應力的分佈狀況和規律，並和理論值進行對比；針對施加柔性填料的上埋式管道工程實例，得出了減荷后的土壓力分佈，並和實測值進行了對比。
  17. From 1992 to 2000, while the elasticity of the country ' s administrative expenditure and of the sampled provinces is larger than 1 in 6 years, the elasticity of the nonprofit institution maintenance expenditure is larger than 1 in 2 years of the whole country, and in 4 years of the sampled provinces ; ( 5 ) the local fiscal expenditure structures are differentiated among the different regions, with the characteristic of the different local fiscal expenditure quotas per capita ; ( 6 ) the supply mechanism of the local finances is out of performance, and the resource allocation function of the local finances is obscure, with the functional scope and expenditure responsibility not adapted to the market economy ; ( 7 ) the problems of local public finance sustaining agriculture investment are as follows : first, the gross of the fund that local public finance sustaining agriculture is shortage

    1992 ? 2000年，全國地方財政行政管理費（含公檢法支出）支出彈性， 9年的數值有6年在1以上；樣本省區9年的平均數值有6年在1以上。全國地方財政各類事業費支出彈性， 9年的數值僅有2年在1以上；樣本省區9年的平均數值有4年在1以上。 （ 5 ）不同地區財政支出結構差異大，主要表現在地方財政支出水平在不5 、論文針對實現地方對政支出結構持續優化的預期目標的需要，系統地研究提出了適宜的政策措施『所提出的政策措施主要是: （ 1 ）轉換政府職能，調整地方財政使用方向。
  18. In this paper, detecting and surveillance process of ballistic missile with low satellite of sbirs is studied deeply

    本文以天基紅外系統中的低軌道衛星為觀測平臺，針對低軌預警衛星對彈道導彈的跟蹤及彈道估計演算法展開深入研究。
  19. Stretch and recovery testing method for knits

    針織物拉伸彈性回復率試驗方法
  20. Based on mass - spring model, a method of automatic mode - selecting method is presented to solve the difficulties of selecting corresponding modes close to the excitation frequency, in adaptive perturbation for mistuned bladed disks

    摘要針對自適應攝動法在失諧葉盤受迫振動分析中，選擇接近激振力頻率的相應模態數目難于控制的問題，基於質量彈簧模型，提出一種自動選擇模態的方法。
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