理論彈道 的英文怎麼說

中文拼音 [lǐlúndàndào]
理論彈道 英文
theoretical trajectory
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 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
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 理論 : theory
  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. Because of its extensive application and underdeveloped research level in our country, this paper establish the numerical model of blank cartridge ejecting device, the whole process from blank cartridge burning to eject missile is analyzed by classic interior ballistic theory and gas dynamics. several simulation examples are given, and the effect of different parameter structure on ejecting device is discussed

    鑒于這類系統在我國的廣泛應用與相對滯后的研究水平，本文針對三種類型五種型號的掛彈鉤建立了拋放彈彈射機構的數學物理計算模型，用經典內彈道和氣體動力學理論分析了火藥彈燃燒到彈射活塞完全推離懸掛物的整個過程。
  3. Having combined external ballistics with gunnery and proceeded from the practical needs of the field artillery, the influence to the firing accuracy by artillery metro report and the improved measures have been studied and analyzed in this essay, thus having obtained a series of valuable and pragmatic conclusions which mean a lot in practical application

    論文結合外彈道學理論和炮兵射擊學理論，從地面炮兵的實際需要出發，具體研究了地面炮兵氣象通報對射擊精度的影響及改進措施，提出了建立我軍地面炮兵專用層權及通用層權的方法及改進計算機通報的措施，得出了一系列具有一定實用價值與相當指導意義的結論。
  4. And results are : ( 1 ) analyze the force and distortion on pipeline under collapse and gulch in theory. on the base of beam deformation, analyze the bending moment and deformation of pipeline with frusta and without frusta. calculate a true problem, contrast the differences between pipeline with frusta and one without frusta, draw some conclusions

    得到的主要結果為： （ 1 ）基於彈性地基理論和彈性梁的撓曲線理論，給出了管道在固定墩（相當跨越河溝情況）和無固定墩（相當坍塌和沖溝情況）的變形微分方程，並分析了當量軸力為拉力或壓力時管道的變形和受力情況。
  5. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的重載道路資料為主，從實際出發，結合理論計算，對重載標準進行了詳細的討論，分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了；同時，通過大量的水泥混凝土板底應力計算，推導出了混凝土面板荷載與板底應力水平的關系式；給出了水泥混凝土路面與瀝青混凝土路面的交通分級；通過對試驗路各結構層進行承載板測試，發現現有材料模量較以前有了明顯的提高；對比現場實測的當量回彈模量與理論當量回彈模量，指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料，從而提出了對理論模量的修正公式。
  6. The content of this thesis, through the deformation destruction process of th e typical nanlidu landslide along the national highway 318, uses the finite unit a nalysis of computation, revealing the elastic, plastic stress and displacement of each joint inside the slide area pointing out the distribution range of the tension stress and the plastic deformation range, computering the stability safety factor of the slide area, gaining the fixed quantity, quota that evaluates the stability of the slide area, revealing the position of the slide area which is most likely to los e its stability, thus, it can provide theoretic proof for the programs which renova te landslides

    本文的研究內容是通過318國道南里渡典型滑坡的變形破壞過程，採用有限元計算分析，揭示滑體內部每個節點上的彈、塑性應力及位移，找出拉應力分佈區和塑性變形區，計算滑體穩定安全系數，得出衡量滑體穩定的定量指標，揭示滑體最可能失穩的部位，從而為滑坡整治方案提供理論依據。
  7. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲彈總體參量作了全面的計算分析，其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度，論證了子母式穿甲彈對付爆炸式反應裝甲的可行性，然後對子母式穿甲彈彈頭部進行了總體設計，其中主要對子彈的發射過程進行了詳細的分析，得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系，設計出了合理的母彈彈頭部結構和子彈的結構，並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。
  8. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  9. Ballistic perturbation theory

    彈道擾動理論
  10. Theoretical analysis of interior ballistics characteristics of large calibre machine - gun duplex ammunition

    大口徑機槍雙頭彈內彈道性能的理論分析
  11. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法，研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法，主要內容為以下幾方面：對一擬建的復雜高層建築結構，採用1 20比例的空間整體模型，進行了26種工況下的模擬地震振動臺試驗，觀察了結構的破壞過程和地震反應，分析了結構及構件的抗震性能；建立了結構的精細空間模型，利用sap2000n大型有限元分析程序對結構進行了彈性時程分析；通過有限元分析與試驗結果的對比，對結構的抗震性能和抗震能力做出綜合評價，認為該結構由於轉換層上部去掉部分樓板，既可滿足建築設計的通風、採光等要求，又可達到協調結構轉換層上、下樓層抗側剛度的效果，是一種較理想的有多道抗震防線的結構型式。
  12. This paper first conducts the research to the steel wire roller conveyer ball bearing rolling body and the steel wire roller conveyer spot contact question, gives the main geometry parameter of the zone of contact by the hertz contact theory, stress extreme value as well as contact body elasticity approach quantity formula, and acts according to the practical application to carry on the simplification, calculates the main parameter of the bearing zone

    本論文首先對鋼絲滾道球軸承滾動體與鋼絲滾道的點接觸問題進行研究，由hertz接觸理論給出接觸區的主要幾何參數，應力極值以及接觸體彈性趨近量的計算公式，並根據實際應用進行簡化，計算出課題所研究軸承接觸區的主要參數。
  13. This paper analyzes the characteristics of rainfield and raindrops, gives - formulae to calculate falling velocity of raindrops, studies the frequency of raindrops hitting detonating area of fuzes head on ballistic trajectory based on the theory of exterior ballistics and uses statistical theory to study methods of rainfield simulation

    本文分析了雨場和雨滴的各種特性，給出了雨滴降落速度的計算公式，利用外彈道學的理論研究了引信頭部觸發區在彈道上與雨滴碰撞的頻率，同時還採用統計學手段對雨場模擬的方法進行了研究。
  14. Abstract : this paper introduces the principles of doppler radar signal processing method in the modulation. it provides the processing method for projectile tracer time, the burst time, rocket engine working time, projectile spin and flight attitude from signal of doppler radar

    文摘:介紹了測速雷達調制域彈道信息處理方法的工作原理，詳細論述了從測速雷達信號中處理彈丸曳光時間、底排燃燒工作時間、火箭發動機工作時間、彈丸旋轉速度、飛行姿態角和擺動周期等彈道信息的方法。
  15. According to the principle of ring - like strands operation, the mechanical analytic solution of presressed concrete penstock under the uni - ring - like radial loads is given out based on the theories of elastic footing beam

    根據環形預應力作用機理，結合彈性地基梁理論，提出了單環預應力作用效應的計算方法和預應力混凝土壓力管道施工階段的驗算方法。
  16. In the light of the fact that elastic creep damage happens to heat resistant steel used as pressure elements like steam pipeline and steam pockets in heat - engine plants at high temperature and under high pressure, this article gives a complete constitutive description of the damage, building up the theory of phenomenology about creep damage

    摘要針對火電廠中蒸汽管道與汽包類承壓部件用的耐熱鋼，在承受高溫高壓時發生彈性蠕變損傷問題，給出完整的損傷本構描述，建立起唯象學蠕變損傷理論。
  17. At the case, the 9343 factory in jiangxi province improve navy 37millimeter gun shrapnel, but the army corps side bring forward that improved navy 37millimeter gun shrapnel and the old navy 37millimeter gun shrapnel must use the same firing table, in other words, the navy 37millimeter improved gun shrapnel and the old gun shrapnel keep the same ballistic trajectory in availability gunshot, therefore, the purpose of the paper, according to theory and experimentation study, confirm the better improved shrapnel project at the base of 9343 factory bringing forward the improved shrapnel project

    在此狀況下，江西9343廠對海37毫米制式榴彈進行了改進，但軍方提出今後改進的海37毫米艦炮榴彈必須與原制式榴彈通用射表，即海37改進彈與原制式榴彈在有效射程內保持彈道一致。因此，本文的目的就是通過理論與試驗研究，在9343廠提出的改進彈方案基礎上，研究確定出一致性狀態較佳的改進彈結構方案。
  18. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  19. In the paper, the projectile pushing process on firing is analyzed. the quantitative computational model of the projectile velocity to gun bore wear is built. finally, taking the 120mm gun for example, the relation of projectile velocity to gun bore wear is calculated, the phenomenon of trajectory peak is analyzed

    分析了射擊時彈丸擠進過程，建立了彈丸初速下降量與炮膛內膛磨損量計算模型，並以某火炮為實例計算了該炮彈丸初速下降量與炮膛內膛磨損量之間變化關系，分析了彈道峰現象，為身管壽命預測提供理論依據。
  20. ( 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。
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