數值項 的英文怎麼說
中文拼音 [shǔzhíxiàng]
數值項
英文
number term-
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。Treating the anharmonic terms of potential energy as perturbations, and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation, the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper
摘要將原子間相互作用勢的非諧項作為微擾,運用聲子數表象中的晶格原子振動位移和晶格振動哈密頓公式,推導了納米晶體線的熱膨脹系數公式,並進行了數值計算。Tables for statistical distributions - binomial distribution
統計分佈數值表二項分佈This research work on bird striking has a long history and already got plentiful achievemellts in theories and experiments, howevef, still a long way no doubt waits to go for sophisticated research work on it more detailed to apply to airframe engineering quantitatively in combination wth the technical reformation of the birdstrike experimelltal system in our laboratory, this thesis deeply studies and analyses the numerica1 computation and simulation methods to birdstrike dynamic response problem based on finite - elemefit - method ( fem ) numerical emulation and modem large - scale scientfic computation software
本文結合我公司鳥撞實驗體系技術改造項目,應用有限元數值計算模擬技術及現代大型科學計算工具,對鳥體撞擊飛機風擋結構的動力學響應問題進行了系統學習與研究探討,初步掌握了科學計算方法,獲得了計算模擬的實踐經驗,為今後深入應用大型科學計算手段進行撞擊類科學問題的研究以及深入應用於工程實踐奠定了強有力的工作基礎。The experiments show that the performance of our method is similar to the ye - 0. 699 algorithm, which is the best approximate algorithm in polynomial time. but our method can effectively solve the max - bisection problem with a large scale. 2
數值實驗表明,該方法與ye - 0 . 699近似演算法(現有的求解圖的最大二等分問題的最好的多項式時間近似演算法)得到的解的性能幾乎沒有差異2. an optimal design that is good for individual function can be realized through adjusting the adding authority gene to have the dispart objective functions given up to each other if certain targets are to be improved during optimization calculating
2 、在優化計算時,要想使某項指標提高,可以通過調整加權因子來實現,使各分目標相互作出一些讓步,以取得一個對于各分目標函數值都比較好的最優方案。Based on the relative independence of mathematical cover and physical grid, and considering the action of truely existent various equilibrant force in system for system balance, a method of simulation for excavation unloading using numerical manifold method in geotechnical engineering is proposed
摘要基於數值流形方法數學覆蓋與物理網格的相對獨立性,考慮任一時刻體系中真實存在的各平衡力項對體系平衡的作用,提出用數值流形方法模擬巖土工程開挖卸荷的方法。Up - down control, also known as the spin control sheridan tab control
Up - down控制項,也稱作數值調節控制項The thesis built the relation between containing water and the properties of trail dam ' s soil by geomechanical properties of trail dam ' s soil ; analysed the seep rule of water in the trail dam ' s field and the change of soakage line. the thesis applied the limited element to analyze the trail dam of baogang by the engineering item in production. it calculates the dynamic and static response about the dam using the numerical simulation method
本文通過大量的尾礦土物理力學性質試驗資料,建立了含水量與尾礦土性質之間關系曲線;分析了水在尾礦壩區的滲流規律和不同標高時浸潤線的變化情況,為分析尾礦壩的穩定性提供依據;結合生產上的工程項目,從包鋼尾礦壩的穩定性研究入手,應用有限元法,通過數值模擬分析了水對尾礦壩的靜力、動力穩定性影響。The ctrltest sample includes an implementation of a spin control
Ctrltest示例包含數值調節鈕控制項的實現。Is defined for the spin control in the idd spin edit dialog
是為idd _ spin _ edit對話框中的數值調節鈕控制項定義的。Controls, each associated with a spin control. data entered in the
控制項(每個與一個數值調節鈕控制項關聯)的對話框。Owner - draw list box and menu, custom control, bitmap button, spin control
所有者描述列表框和菜單、自定義控制項( custom control ) 、位圖按鈕和數值調節鈕控制項( spin control ) 。The spin control has a small up - arrow and a small down - arrow button for incrementing or decrementing a value
數值調節鈕控制項包含用於遞增或遞減值的向上箭頭和向下箭頭小按鈕。The spin control has small up - arrow and down - arrow buttons for incrementing or decrementing a value. bitmap button implementation of
數值調節鈕控制項( spin control )包含用於遞增或遞減值的向上箭頭和向下箭頭小按鈕。Wet and dry numerical simulation tests for explosive cyclone over western pacific were performed. by contrast the results show that : tropopause and constant temperature surface were raised by latent heat release in upper level and disturbance trough was produced because air flow ascended and became cold. owing to this process adaption, inertial instability emergenced
對氣旋強烈爆發的過程進行干濕對比數值模擬試驗,得出:潛熱釋放使對流層項和等溫面抬高,氣流在高層的上升冷卻形成擾動槽,其適應過程使高層出現慣性不穩定。In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future
本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。A numerical simulation of a planar 3r manipulator is performed. the results show that the non - linear torsion springs have important influences on the joint error and tip error of manipulators. moreover, the influences of linear part of non - linear, the lumped mass of the rigid links and the angular acceleration of joint actuators on the non - linear dynamic character of flexible joint manipulator are discussed
首先,建立了剛性桿非線性關節機器人的動力學模型,之後通過一平面3r機器人進行了數值模擬,說明了在一定情況下,關節的非線性對剛性桿機器人關節變形和末端誤差具有重要影響,並在此基礎上,討論了關節線性項、桿的集中質量和關節驅動加速度對機器人關節非線性特性的影響。In this paper, i consider the traveling wave solutions and peakons of the generalized camassa - holm ( gch ) equation and give the express of the solitons of this equation. the peakons and their figures of the gch equation are given with the mathematic software for m - 1, m = 2 and m = 3 in particular ; for m = 3, i get the generalized dissipative camassa - holm equations by adding a dissipative term and find two types exact traveling wave solutions of this equations. i also apply the homogeneous balance method into the gch equation so that i get a group of smooth solutions for m = 2 and m = 3 and the backlund transformation for m - 3 of the gch equation
本文研究廣義camassa - holm ( gch )方程的行波孤立子解及尖峰孤立子解,給出gch方程的行波孤立子解的表達式,特別的,對m = 1 、 m = 2 、 m = 3時利用mathematica數學軟體進行計算,解出了gch方程的尖峰孤立子解,並給出了此時gch方程的尖峰孤立子解的圖形,使數值分析和理論相結合;對m = 3時的gch方程增加一耗散項u _ ( xx )后得到廣義耗散camassa - holm方程,並解出此方程的兩類精確行波解;本文將齊次平衡法應用到gch方程中,解出m = 2 、 m = 3時的gch方程的一組光滑解,同時應用此方法得到了m = 3時的gch方程的backlund變換。In order to calculate easily and do n ' t influence the single - chip microcomputer ' s calculate velocity, we put forward two scheme to deal with the numerical value, one is to use a simple function to close or approach a normal function f ( x ) ( mainly is lagrange ' s intepolation, newton ' s intepolation, hermite ' s intepolation, cubic spline interpolation, etc. ) the other one is function approach ( mainly is chebyshev ' s polynomic. legendre ' s polynomic, laguerre ' s polynomic, method of least squares, etc. ), we analyze and compare the lagrange ' s intepolation and chebyshev ploynomic, at last, we select the chebyshev polynomic to do the value calculating on single - chip microcomputer
提出了數值處理的二種方案。即用簡單函數近似或逼近一個一般函數f ( x ) (主要有拉格朗日插值、牛頓插值、埃爾米特插值、三次樣條插值等)和函數逼近(主要有切比雪夫多項式、勒讓德多項式、拉蓋爾多項式、最小二乘法等) ,對上述兩個方案中的典型函數?拉格朗日插值和切比雪夫多項式進行了分析比較,最後選取切比雪夫多項式完成單片機上的數值計算。分享友人