推力空間變形 的英文怎麼說
中文拼音 [tuīlìkōngjiānbiànxíng]
推力空間變形
英文
push ace warp- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
- 空間 : space; enclosure; room; blank; interspace
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Space stiffness matrix of t - shape, l - shape and - shape short - leg shear wall is derived by virtual work principle and variational principle
利用虛功原理和變分原理分別推導了t形、 l形和一字形截面的短肢剪力墻空間單元剛度矩陣。From the aspect of geometry, structure design, manufacture and examine, this paper generally summarizes the gcm ' s study progress in detail, discusses its kinetic rule and the determination of its primary structure parameter, and educes its surface equation and pressure angle equation based on the homogeneous matrix transformation and the conjugate engagement theory of spatial surface. on the basis of geometry study of gcm, the paper makes a comprehensive analysis to the interference phenomenon that will possible exist in the assemble course of two different structure of gcm with the help of matlab software
本文從運動幾何學、結構設計、動力學、製造和檢測等方面對國內外弧面凸輪機構的研究進展進行了全面綜述,詳細論述了高速凸輪機構的運動規律和弧面凸輪機構基本尺寸的確定,基於空間曲面共軛嚙合原理,通過齊次變換推導了外弧面凸輪的曲面方程和壓力角方程,並提出了對應的廓面修形演算法;提出了內弧面凸輪機構的構想,推導了內弧面凸輪的曲面方程和壓力角方程。In this paper, starting with the physical mechanics of land surface hydrologic process and the introduction of the theory in probability statistic distribution, an analytical expression of heterogeneous evapotranspiration efficiency is given which takes heterogeneous soil water content ' s subgrid scale spatial variability into account, through which the parameterization scheme of subgrid scale soil surface ' s evapotranspiration efficiency ( which is generally called mosaic method ) is modified to a statistic - dynamic scheme in which a whole heterogeneity of the grid region is considered
本文從陸面水文過程的物理機制出發,引進概率統計分佈理論,推導出一種由非均勻土壤含水量次網格尺度空間變率所形成的非均勻蒸發散率解析表達式,從而將通常的次網格尺度地表蒸散率的參數化方案( mosaic方法) ,改進為考慮網格區整體非均勻性的統計-動力參數化方案。The internal load love numbers, expressed as a general form in this dissertation, are employed to describe the deformation response of the earth ' s solid parts to the dynamical behaviors of the fluid outer core. the spatial distribution and frequency - dependence characteristics of the internal load love numbers are also investigated
以內部負荷love數描述了地球固體部分對液核動力學效應的形變響應,嚴密推導了內部負荷love數的一般表達式,研究了內部負荷love數的空間和頻率依賴特徵。The effective optimization design programs for different cases are developed by integrating the following several aspects which involves the flow analysis, adjoint equation solution, gradient solution, optimal arithmetic and grid generation. some practical design tests for airfoil and wing show that the continuous adjoint approach is very effective and useful method for aerodynamic optimization design. at the same time, we have done the research of aerodynamic optimum design for airfoils by using navier - stokes equations
( 4 )研究了基於控制理論和三維navier一stokes方程的優化設計理論,在計算坐標下詳細推導了該優化設計理論,得到了計算坐標系下描述的共扼方程數學描述形式,並以給定目標壓力分佈的氣動反設計為例,導出了相應的共扼方程邊界條件,以及關鍵的梯度求解具體表達形式,為了求解方便,把計算空間上描述共扼方程表達形式變換到物理空間中進行描述,通過與ns方程表達形式對比分析,最終給出了一種直觀的共轆方程表達方式。The main contents are as follows : firstly, the structure and characteristics of aqueduct - stayed are summarized, based on which the structure analysis is presented ; planar structural models are established to simplify the analysis of internal force and displacement of aqueduct - stayed based on moment - distribution theory, the formula to calculate the force of cross section of aqueduct - stayed is derived. the finite element method for framed structures is used to analyze the aqueduct body. and corresponding computer programs are developed
為便於計算,在計算斜拉渡槽的內力及變形時,將空間結構簡化為平面結構,分別對槽身橫斷面及槽身縱向結陶進行計算:以力矩分配法為基礎推導了槽身橫斷面內力的計算公式;運用直接剛度法,編制了桿系有限元程序進行槽身縱向結構計算,並簡單介紹與斜拉渡槽相關的剛度法知識以及程序的流程圖。4. the recurrence formula of the creep strain is the key of fem calculation of creep stress. in this paper the exponential function is used to figure the creep strain, and the recurrence formula of 3d creep strain at any periond of time is derivated
徐變變形遞推計算公式是溫度徐變應力有限元計算實現的關鍵所在,本文用指數函數式表示徐變度,在此基礎上,對三維空間問題徐變變形進行了研究,推導了任一時段徐變增量的遞推計算公式。This paper puts to use a tensile test from the plastic deformation theory, and has deduced the mathematical formulas on determing criterion in the various conditions such as the sotropy and anisotropy materials, plane stress, plane strain, space stress and strain
文章採用拉伸試驗,根據塑性變形理論,推出了各向同性和各向異性材料在平面應力應變、空間應力應變等多種條件下的判斷準則的數學表達式。When cable interacted under the load both of gravity and inertia force, derivative equation of cable ' s defection curve in space is deduced to study cable ' s rigidity movement, and flexible deformation is also determined by finite element method
分析了懸索上各離散點的位置、速度、加速度和慣性力。推導了在重力和慣性力共同作用下懸索的空間撓曲線微分方程,並研究了懸索的剛體位移和彈性變形。Major contents of the thesis are as follows : 1 ) based on brief introduction of the profile theory about the spatial cam sliding tooth transmission, those formulas correlated to the mechanics feature are deduced to calculate the geometrical parameters ; 2 ) according to the hertz contact theory in elastic - mechanics, the mechanics analysis model of the spatial cam sliding tooth transmission is built up ; the deformation harmonizing conditions at each contact point are erected ; the force analysis formulas of point contact are deduced and the resolution method is presented ; 3 ) the numerical calculating software about the deformation of the spatial cam sliding tooth transmission is developed ; using the software, the force characteristics of the spatial cam sliding tooth transmission are calculated with different design parameters ; the general law on force characteristics of this transmission is obtained
論文的主要內容包括: 1 )在簡要介紹空間凸輪活動傳動齒廓理論的基礎上,推導了與力學特性相關的幾何參數的計算公式。 2 )建立了空間凸輪活動傳動的力學分析模型;依據彈性力學赫茲接觸理論,建立了各接觸點之間的變形協調條件,推導了空間凸輪活齒傳動點接觸受力分析公式,並給出了求解的方法。 3 )開發了關于空間凸輪活動傳動受力變形的數值計算軟體;應用該軟體,對不同設計參數的空間凸輪活齒傳動的受力特性進行了數值計算,獲得了該傳動受力變形的一般規律。This paper is devoted to seeking formulas and rules of representation for generating new fractal graphics. the main works are as followed : ( l ) construct new formulas for new fractal aspects after revisited methods for the visualisation of mandelbrot and julia sets based on ifs, we described the other new formulas originating from z z2 + c. including norton and polynomials iterated function, which have integer index instead quadratic index, we also constructed formulas with complex number index. 3 - d dynamical system is discussed then. besides the most widely used sequential visualisation methods, we designed two methods to change the original vectors and get new graphics with special effects
在對公式指數的推廣中,包括指數為整數的牛頓迭代法和多項式迭代法,還包括指數為復數的迭代公式;在離散動力系統的吸引子生成演算法討論中,將復數z向高維空間推廣,重點論述了生成了三維離散動力系統吸引子的收斂條件,實現了此吸引子對應的三維空間向量在平面上的投影圖的條件;還討論了迭代前對初值點進行兩種不同變換對得到的分形圖形的影響,以及這兩種變換組合圖形的生成。An improved distribution method of the horizontal lateral forces to the planar structures and a new one to the structures with torsional responses are presented. the example of the pushover analysis testifies the validity and feasibility of the studied distribution method, and the potentiality of the use of static pushover analysis method to irregular structures is also proved. the capacity spectrum method of the structural performance evaluation is discussed in this paper
對鋼筋混凝土結構靜力推覆分析( push ? over )的研究,主要討論了靜力推覆分析中水平側向力的分佈形式,提出了一種平面結構的改進水平側向力分佈形式和樓層平面出現不可忽略扭轉反應的空間結構的水平側向力分佈方法,並用推覆分析實例驗證了所提出的水平側向力分佈形式的正確性和可行性以及靜力推覆分析適用於不規則結構的可能性,同時也驗證了結構變形控制抗震設計方法的合理性。In the first stage of exploitation, the spatial development stratagem is that huaian should become a new growth pole in north jiangsu. after huaian has grown to some scale, it is considered that the spatial development should be changed from pole - shape exploitation to pole - axis exploitation, namely building up dual - nuclei spatial structure between huaian and lianyungang. considering that the economic foundation in north jiangsu is still weak, xinyi - huaian - lianyungang growth triangle should be built up to promote the development in north jiangsu after the form of dual - nuclei spatial structure. at the same time, the transformation should be realized from one line - shape exploitation model made up with one - pole - axis to area - shape exploitation model made up with many pole - axis
最後,立足推動蘇北地區的發展的層面,提出淮安不同階段的空間發展戰略:開發初期,應以構建淮安為蘇北地區的新增長極的點狀開發戰略為主;等到淮安發展到一定階段,應考慮由點狀開發向點軸開發戰略轉變,即構建淮安? ?連雲港雙核型的空間結構;考慮到蘇北地區經濟基礎薄弱,單靠點或一條點軸的帶動可能會出現力不從心的局面,因而淮安? ?連雲港雙核型空間結構形成之後,在蘇北地區構建新淮連成長三角來帶動蘇北地區的發展,同時實現該區域的空間結構由一條點軸構成的線型開發模式向多條點軸構成的面狀開發模式的轉變。In 1860, schrodinger first put forward the concept " schrodinger equations " in quantum mechanics and since then, the study on schrodinger equations has never stopped, for the mathematical description of many physical phenomena belongs to the field of schrodinger equations, such as nonlinear optic, plasma physics, fluid mechanics etc. as for the form of schrodinger equations, linear schrodinger equations was gradually replaced by nonlinear schrodinger equations ; as for the methods of solving schrodinger equations, the modulus estimate of energy, the principle of contraction mapping, fourier transformation and harmonic analysis are used ; as for the space of the solutions, many people have worked on the problem in bounded domain, euclidean space of dimension n, periodic bounded conditions and mixed regions and they also combined it with the generalization from low dimension to high dimension
) dinger方程,如非線性光學、等離子物理、流體力學[ 21 ]等;在方程形式上,從線性schr ( ? ) dinger方程到非線性schr ( ? ) dinger方程;在處理方法上,用能量模估計、壓縮映象原理和fourier變換調和分析等;在方程解空間上,研究有界區域、 n維歐氏空間、周期性有界區域和混合區域等,並且結合從低維向高維推廣。In practical level, the paper puts forward some proposes, such as " using dynamic geometry software ", " extending curriculum ' s extent ", " integrating visual geometry ", " using pattern in algebraic teaching ", " popularizing shape calculator ", " turning teacher ' s teaching concept ", and so on. in theoretical level, the paper puts forward " one base, two bases, four emphases " for our country ' s mathematics curriculum reform. namely, the reform should be based on dialectical materialism, carrying forward the fine traditions of " two bases " and " basic ability ", paying attention to students " emotion and discovering process, integration of technology, the contact between mathematics study and life a, pluralistic evaluate
在操作層面,關于「空間與圖形」內容標準提出「動態幾何軟體的應用」 、 「擴大課程的廣度」和「直觀幾何的整合」的建議,關于「數與代數」標準提出「模式的引入」和「圖形計算器的推廣」的建議,關于「統計與概率」標準提出「數學分支的整合」 、 「轉變教師的教學觀念」和「計算工具的使用」的建議;在理論探索層面,提出「一個基礎,兩個基本點,四個注重」的改革思路,即:以辯證唯物主義為哲學基礎,發揚「雙基」和「基本能力」培養的傳統優勢,注重學生的情感體驗和發現過程,注重技術與數學教學的整合,注重數學學習與學生生活空間的聯系,注重評價方式的多元化。分享友人