載荷分量 的英文怎麼說
中文拼音 [zǎihéfēnliáng]
載荷分量
英文
sharing part of the load- 載 : 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 : 荷名詞(蓮) lotus
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
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In this paper, using the program ( epagpll ), the bored testing pile group of the chinese architecture science and research institute at luokou area are analysised. the comparisons among analytical results of four constitutive models of soil are made, and the deformation of piles and soil, the soil resistance of the piles, the friction beneath cap, the aclinic displacement of the ground soil before piles and the failure pattern of pile group are discussed in detail
本文利用所編的程序,對上海地區豎向荷載作用下的單樁的流變效應進行了分析,並通過樁體位移?時間關系曲線,確定軟土地基上豎直受力樁的承載力,分析了豎直受力樁的最終沉降量的大小,並結合《上海地區地基基礎》地方規范就程序計算結果進行了對比。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。The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects
2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路,系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系;對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。By analyzed interactions of combined limit pipe load components, simplified check formula for pipe load strength are put forward and the calculation method of relevant allowable pipe load values based on shell finite element analysis is presented as well
通過對組合極限接管載荷分量相互關系的分析,提出了接管載荷強度驗算簡化公式和以殼結構有限元應力分析為基礎的許用接管載荷計算方法。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,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對比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。Assemblage ) represented the coastal shallow - water environment ; factor 2 ( protelphidium tuberculatum assemblage ) represented the alongshore cold - water current area or cold shallow sea environment ; factor 3 ( elphidium magellanicum assemblage ) represented the sh allow sea ( < 20 - 30m depth ) deposit ; factor 4 ( ammonia ketienziensis assemblage ) represented the shallow - sea water more than 50m depth ; and factor 5 ( buccella frigida assemblage ) represented the colder - water sea environment ; and the distribution of factor load accorded with the character of benthic foraminifer community
Q型因子分析揭示ey02 - 2孔5種有孔蟲組合,分別對應濱岸鹽沼環境、黃海沿岸流冷水分佈區、高潮坪淺海沉積環境、水深大於50m的現代淺海環境及較冷的沉積環境。因子載荷的分佈與有孔蟲群落特徵吻合較好。南黃海有孔蟲含量? ?水深轉換函數關系式有一定的局限性,並不能在南黃海陸架地區推廣使用。: 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:在恆載荷的作用下,該合金裂二紋開始擴展時顯示的是韌性起裂;隨裂紋增長,試樣脆性斷裂的比例增大。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-載荷曲線,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比較。This paper introduces the calculation of the loads of different waves and the combination of sine wave and cosine wave. furthermore, stressing on discussing the corresponding problems of the fem of the whole structure and putting forward the basic principles of building a fleet. taking a fleet for example, the paper discusses the whole response of the fleet and the local response of it according to different load cases
本文介紹了船舶的波浪載荷計算及按動態載荷法進行載荷分量組合,而且研究了結構有限元模型的有關問題,給出了結構的模型化原則;本文以一條051艦為例,討論了不同的工況下整船艦艇結構應力的響應以及局部結構的響應。Current nod external nomal method can accurately solve the initial clearance of contact curved surface. the accurate analysis of load distribution, longitudinal load dispersion and contact patterns to spiral bevel gears has been deduced, and that the variation of the contact center of loaded spiral bevel gears and the contact center of non - loaded spiral bevel gears has been analysed
當前節點外法矢法可以精確計算接觸曲面的初始間隙量,本文用這一方法對螺旋錐齒輪齒間載荷分配、齒向載荷分佈以及接觸區形狀進行了精確分析,而且分析了加載情況下螺旋錐齒輪齒面接觸中心點軌跡與無載下螺旋錐齒輪接觸軌跡的變化。Secondly, a ship undocking process environmental forces testing plan is made by using the orthogonal design theory. measuring the environmental forces with different wind, wave and current combination from 0 ? to 90 ? and analyzing and processing the data are finished by using the analysis of variance method. comparing the experimental results with the results calculated using the ocimf method, the reliability of using the ocimf method is testified
二、利用正交設計方法,制定了船舶出塢過程環境載荷測量方案,完成了船舶在出塢過程中從90到0過程中在不同風、浪、流組合下的環境外力測試和分析處理,利用級差分析方法,重點分析了風、浪、流以及方向對船舶出塢的影響程度大小,並把試驗結果和ocimf方法計算結果作了比較分析,驗證了ocimf方法計算結果的可靠性。The mathematic model of predicting the horizontal load subjected to aeroplane undercarriage tyre based on the drop - tests was built by analyzing dynamic loads acting on drop - test platform which is supported by three - poles, and the coefficients in the mathematic model were determined by means of the least - square method according to the results of static tests
摘要通過分析3點支撐落震平臺的動態受力情況,確定了起落架機輪投放到落震平臺上后,落震平臺水準方向的各種載荷情況,從而利用測量落震平臺水準載荷的間接測量方法,建立了起落架機輪水準載荷測量方法的數學模型, ?採用在落震試驗臺水準方向上進行試驗標定的方法,確定了數學模型中的有關待定系數。First, the governing equations of the cylindrical shells are linearized by using the load incremental approach
首先使用載荷增量法將兩種圓柱形殼體的非線性微分方程線性化。In this paper, the approaches of load incremental and discrete least square collocation have been employed successfully in the geometrically nonlinear analysis for both stiffened and nonstiffened cylindrical shells
摘要本文採用載荷增量最小二乘配點法分析圓柱殼體和縱、橫向加筋圓柱殼的幾何非線性問題。In the procedure, the column is first divided into a finite number of small segments in equal length. the deflection - curvature relation of each segment is determined using the finite - difference method. the final nonlinear algebraic equations are then obtained by means of the equilibrium condition for each segment
運用這種方法,先將長柱離散成若干等長的柱段,利用差分方法求得各柱段截面上的撓度與曲率的關系,再根據各截面上外力與抵抗力的平衡條件,得到一組關于荷載與變形關系的非線性代數方程組;本文對該方程組採用載荷增量法進行迭代求解。In the paper, the load incremental method is adopted. by the way of reducing the elastic model of the destructive blocks in the elements, the finite element analysis model is revised and the repeated computing process does n ' t finish until the results are converged. the proposed method can simulate the entire process of concrete structures from crack to complete damage
分析中採用載荷增量法,對各級載荷下單元中破壞的材料分塊進行彈模折減處理,並重新生成單元剛度矩陣,經過多次迭代直至計算收斂,從而可以給出各類cfrp加固混凝土結構的載荷?變形全過程曲線,並預測其極限承載力。Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況,對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論:然後對圖像增強處理的目的和方法進行了介紹,對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明,並對實物圖像的處理結果進行了分析與比較;接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法,並獲取輪廓的特徵點:隨后對獲取的特徵點進行坐標變換,並進行b樣條曲線擬合,引入相關條件生成齒輪副的嚙合線及嚙合軌跡:最後引入等值線和區域填充表示方法,並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。The static load depends on the geometry and mass distribution of the vehicle and the static load sharing characteristics of the suspension system
靜載荷取決于車體形狀及其質量分佈,以及懸掛系統的靜載荷分配特性。The rayleigh - ritz method is used to lead to analytical expressions for the stiffness and mass matrices and load vector as well as their sensitivities, which uses the simple polynomials to define assumed displacement functions, geometry and construction of wing structures. excluding some selected terms from the displacement functions or using stiff springs at the specified locations imposes boundary conditions. the accuracy of calculated results is improved by including transverse shear effects and using multiple sets of ritz functions in the analysis
它使用簡單多項式作為ritz基函數、定義翼面的幾何和結構參數,利用rayleigh - ritz方法導出翼面結構的剛度矩陣、質量矩陣和載荷向量及其靈敏度的解析表達式,通過排除位移函數中某些選定的項或在指定點使用約束彈簧施加各種邊界條件,考慮橫向剪切變形和使用多組ritz基函數改進分析的質量,使用等效蒙皮和等效夾芯技術提高計算效率。It is suggested that integer model should be applied in order to avoid heavy difference between the design and the practical during the analysis of the external loading
建議在載荷分析階段用整體模型進行分析,使設計和實際工程能夠盡量保持一致。分享友人