有載荷的 的英文怎麼說
中文拼音 [yǒuzǎihéde]
有載荷的
英文
loaded-
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
人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷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力學模型,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。Road wheel in this paper is created according to gb / t 3487 - 1996 and application of load is simulated the actual situation. msc. patran finished is used to build model of road wheel, divide finite element graticule, apply boundary load, and define material properties, which are submitted to msc. nastran to analyze strength
本文所使用的車輪是按照輪輞的國家標準而構建的,而載荷的加入是模擬實際情況而添加的,在此基礎上,運用msc . patran ,完成車輪幾何建模,有限元網格劃分,邊界載荷的加入,材料特性的定義,再提交到msc . nastran中進行強度分析。Road wheel in this paper is created according to gb / t 3487 - 1996 and application of load is simulated the actual situation. ansys finished is used to build model of road wheel, divide finite element graticule, apply boundary load, and define material properties, which are submitted to ansys to analyze strength
在車輪的構建上,本文採用了三維繪圖軟體ug ,在ug中首先完成車輪幾何建模,然後導入到ansys裏面進行修改並進行有限元網格的劃分,邊界載荷的加入,材料特性的定義,對車輪進行強度分析。Finally, attitude stabilization control of the satellite and pointing precision of the payload are researched in the phase of infrared camera tracking object
第三,在紅外相機跟蹤目標階段,研究了星本體的姿態穩定控制以及有效載荷的指向精度問題。However, the increasing trends of wear depth varies at different fretting wear conditions due to the simultaneous variations of contact area and contact stress in the process of fretting wear
建立的鋼絲接觸有限元模型表明,接觸區中心的最大接觸應力隨著接觸載荷的增加而增大,隨著嵌入深度的加深而減小。In october 1994, china reaffirmed its promise and undertook the obligation of not exporting ground - to - ground missiles inherently capable of reaching a range of at least 300 kilometers with a payload of at least 500 kilograms
1994年10月,中方重申這一承諾,承擔了不出口內在性能至少達到300公里射程和500公斤有效載荷的地對地導彈的義務。This kind of high silica wrought aluminum alloy is provided with low density and well heat - stability, especially with the metallurgical structur ? similar with bearing alloy ? which is composed of dispersion distribution common silicon crystal hard mass point and the alloyed basal body is very fit for the components manufacture ? can bear small capacity moving load and friction load
這種高硅變形鋁合金具有密度小和200以下良好的熱穩定性,特別是它的由彌散分佈的共晶硅硬質點及合金化的相基體組成的類似軸承合金的金相組織、特別適合用於製做承受小能量動載荷和摩擦載荷的零件。Sintered ndfeb has excellent magnetic properties with low price while the strength and toughness are poor which result in poor machinability, and it is easy to be broken. so they can not be used in areas with impact
但是,這種材料強度和韌性差,機械加工困難,應用過程中容易掉角開裂,特別是在一些有沖擊振動載荷的領域應用受到限制。This article discuss the method to measure distortion of truss by means of ccd device. the distortion can be measured with many kind of displacement transducer, but it must be placed on stable base. when the huge truss is moving through some tunnel, it is difficult to find a stable base, especially there is no enough space for someone to operate. it is hardly to measure the distortion by touching. on the contrary, this can be achieved by means of ccd device
桁架在自重或載荷的作用下產生的撓度可以用多種位移傳感器測得,這些測量方法需要有良好的基礎,在大型桁架梁測量現場,由於桁架的變形,難于找到這種基準,如果加上測量環境惡劣,人無法操作情況,則會給撓度測量帶來極大的困難,而採用光電荷耦合器件,並利用激光進行遠程實時撓度測量,即可以解決這個難題。He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts
將功率作為系統控制的目標,將功率分成三段進行控制,在低風速區,載荷是有限的,以功率最大化作為控制目標;在額定風速附近,由於處在升力曲線斜率的變化點,功率變化較大,應盡快調整槳距角進入失速區工作,減少載荷的波動,該額定風速區的上下工作點要通過現場試驗的手段來確定;在額定風速以上,使功率維持在額定輸出,減少功率波動,並通過bladed軟體的模擬計算對控制策略進行了驗證。The assumption is made that the changes in aerodynamic loading take place so slowly that the structure is at all times in static equilibrium.
假定氣動載荷的變化相當慢以至於在所有時刻結構都處于靜平衡狀態。Calculations of tearing energy of different crack depths and different loads have been done for double shear testpiece with interface cracks. at last, the relationship between tearing energy and crack depth has been given, so has the relationship between tearing energy and load
根據有限元結果計算出不同裂紋深度、不同載荷下的撕裂能,分析了試件的撕裂能與裂紋深度與載荷的關系。A new method, suitable for identification of distributed loading on continuous model with orthogonal polynomials by using limited measured data is introduced
摘要用正交多項式擬合的方法對連續系統的分佈動態載荷進行識別的技術,為用有限的測量信息進行連續系統分佈載荷的識別提供了可行的方法。The dynamic analysis indicates that the design of the primary mirror assembly is good. the design of the primary mirror assembly meets requirements
主鏡組件有限元模型動力學分析表明,本文設計的主鏡組件足以抵抗動力學環境載荷的影響。This thesis introduces the design and implementation of a planning and scheduling system for satellite ' s payloads
本文主要研究衛星有效載荷的規劃與調度問題。In the formula, our experience in structural strength design and the experimental results are considered. and such factors are also considered as differences in materials of the skin and the reinforcer, effects of bending, torsion, stretching and offcenter of the reinforcer. furthermore, through post - buckling stress analysis of the skin, it is shown that even low stress level will result in buckling of the skin, but the skin still has loading capacity
在總結過去結構強度設計和試驗分析的基礎上,應用扁殼理論,在廣義力與廣義應變關系中考慮了蒙皮與加筋不同材料以及加筋的彎曲、扭轉、伸縮和偏心等的影響,推導出適合於工程應用的加筋殼結構軸壓屈曲臨界載荷的計算方法;並通過對薄壁結構蒙皮后屈曲應力分析,說明蒙皮在很低的應力水平時就出現失穩現象,但失穩后的蒙皮仍具有一定的承載能力。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。A resonant machine structure tying the crankshaft on the main bearing is made as the test system ' s pallet. the loading part is a machinery activator driven by motor. the control core is made up by a plc and a pc
系統的控制核心由可以長時間穩定工作的可編程式控制制器( plc )和計算機組成上下位機及若干相關部件構成,它可以有效的保證曲軸疲勞試驗的人機對話能力、試驗載荷的高精度控制和試驗運行抗干擾能力。For smaller vehicles with high acceleration the wind may be little concern with structural loads.
對于具有高加速度的小型飛行器,風與結構載荷的關系可能不大。分享友人