數值運算式 的英文怎麼說
中文拼音 [shǔzhíyùnsuànshì]
數值運算式
英文
numeric expression- 數 : 數副詞(屢次) frequently; repeatedly
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
- 算式 : equation
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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。On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries
在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,並考慮擴底樁的「拱效應」特點引入了有效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。Soliton dynamics is simulated for trans - polyacetylene single - chain systems using the su - schrieffer - heeger ( ssh ) model with an additional part to include an external electric field
摘要對于有電場存在下的反式聚乙炔單鏈中的孤子運動,用ssh模型引入電場項,通過數值計算,對孤子在電場下的運動規律進行了模擬。Theories, numerical values and experiments indicates that chaos motion exists in all the fields of natural science ( even in sociology ), which means that chaos motions is a motions of matter in nature and exists extensively in many non - linear systems
來自理論、數值計算和實驗手段所揭示的自然科學(乃至社會科學)各個學科領域的許多系統中存在混沌運動的事實表明:混沌運動也是自然界物質運動的一種形式,而且它也廣泛地存在於相當多的非線性系統中。By employing the theory of operator representation, the reflection / transmission operator is decomposed into the form of double domains in the scheme, so it is adaptable to laterally heterogeneous media and fluctuating reflectors, can mimic ava of reflections when the incident angle is less than 45
文中利用運算元可分表示理論將反射透射運算元分解成適合於雙域(空間域和波數域)運算的表達形式,使得本文得到的地震波數值模擬演算法可適應於一定程度橫向非均勻介質和界面起伏情況,在入射角小於45時能夠準確模擬振幅隨入射角( ava )的關系。Operator performs a bitwise comparison of identically positioned bits in two numeric expressions and sets the corresponding bit in
運算符對兩個數值表達式中的位置相同的位執行按位比較,並且按下表設置And operator performs a bitwise comparison of identically positioned bits in two numeric expressions and sets the corresponding bit in
運算符對兩個數值表達式中位置相同的位執行按位比較,並且按下表設置This paper try to mix the finite strip method and hybrid stress element, and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop. for ) with fortran - 77 language, and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing, prove that the mixed hybrid finite strip method have better degree of accuracy, moderating the stiffness of plate, coming more close to actual conditions, avoiding over - hard or over - soft ; finally, this paper analyze the stability of a orthotropic plate by this method, and deduce the - value of critical stress
論文將有限條法和應力雜交元法兩者結合起來,導出一種兼有兩者優點的數值計算方法? ?混合雜交有限條法。運用這種方法對正交異性板的強度和穩定進行了分析,推導出正交異性板在這種方法下的分析計算公式,用fortran - 77語言編寫正交異性板混合雜交有限條法程序( hfsop . for )在微機fortran90環境下運行。通過算例與傳統的方法比較,驗證混合雜交有限條法有更好的精度,使板的剛度適中,更接近實際情況,避免「過硬」或「過軟」 ;最後,論文還用此方法對一正交異性板進行了穩定分析,得出臨界應力值。Operator to perform logical conjunction on the individual bits of two numeric expressions
運算符對兩個數值表達式的各位執行邏輯合取。Operator to perform logical negation of the individual bits of a numeric expression
運算符對數值表達式的各個位執行邏輯求反。Operator to perform inclusive logical disjunction on the individual bits of two numeric expressions
運算符對兩個數值表達式的各位執行包含邏輯析取。In this paper the flow field of falling film along the inner of vertical tube is simulated and it ' s the necessary base of the further research that includes characteristics of heat and mass transfer in the absorber under the fluctuant state. in this paper the ocean fisher ' s movement in the ocean is studied and the physical and the mathematical models of fisher are founded, then the expressions of the force caused by the movement are obtained. the expressions are combined with partial different equations of falling film under the static state, thus the mathematical model of the falling film under fluctuant state can be gained
本文首先研究了船舶在海洋中的運動,建立了船舶搖擺運動的簡化物理模型和數學模型,得到了運動附加力的表達式;並在此基礎上將吸收管的運動附加力表達式代入靜止狀態下液膜流動的數學模型中,即得到了搖擺狀態下液膜流動的數學模型;然後對液膜流動的數學模型進行了簡化,在假定了速度分佈的條件下,得出了液膜流動的積分方程,經過以上簡化就將求解三維問題轉化成為求解二維問題;將積分方程離散化後用數值計算的方法模擬了整個流場。In this paper the flow field of falling film along the inner of vertical tube is simulated and it ' s the necessary base of the further research that includes characteristics of heat and mass transfer in the absorber under the fluctuant state. in this paper the ocean fisher ' s movement in the ocean is studied and the physical and the mathematical models of fisher are founded, then the expressions of the force by the movement are obtained. the expressions are combined with partial different equations of falling film under the static state, thus the mathematical model of the falling film under fluctuant state can be gained
本文首先研究了船舶在海洋中的運動,建立了船舶搖擺運動的簡化物理模型和數學模型,得到了運動附加力的表達式;並在此基礎上將吸收管的運動附加力表達式代入靜止狀態下液膜流動的數學模型中,即得到了搖擺狀態下液膜流動的數學模型;然後對液膜流動的數學模型進行了簡化,在假定了速度分佈的條件下,得出了液膜流動的積分方程,經過以上簡化就將求解三維問題轉化成為求解二維問題;將積分方程離散後用數值計算的方法模擬了整個流場。Yang and xie 9 developed a numeri - cal model for the moving boundary problem through reducing it to a fixed boundary problem by a coordi - nate transformation. it is necessary to reduce the a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 623 computational cost of the groundwater model so that it can be applied to a land surface model for climate studies
文獻9通過一個坐標變換將運動邊界問題轉化為一個固定邊界問題,進一步改進了該土壤水模型的數值計算方法,使其減少計算量,達到能在一般通用的模式中實際應用Operator to perform logical exclusion exclusive logical disjunction on the individual bits of two numeric expressions
運算符對兩個數值表達式的各個位執行邏輯異或運算(互斥邏輯析取) 。Operator is the binary arithmetic subtraction operator for the difference between two numeric expressions
運算符為二進制演算法減法運算符,用於計算兩個數值表達式之差。Explicit specialization is not allowed as a copy constructor and copy assignment operator
不允許將顯式專用化作為復制構造函數和復制賦值運算符。It was first to derive the control equations of numerical models based on the past relevant achievements, and the common numerical - computation methods were introduced and compared after that 1 - d and 2 - d models were both applied according to the condition of the problems. the 1 - d model program was the floris that have been broadly used to model networks of river, and the 2 - d model used fasttabs, a good visualized program package suitable for modeling the shallow waters
在總結前人成果的基礎上,論文首先推導了水流數學模型的基本方程,然後介紹和比較了常用的幾種數值計算方法,根據所研究問題的特點,決定採用一維水流數學模型和二維淺水模型聯合計算模式,其中一維模型採用的是已被廣泛運用於河網計算的數學模型程序floris ,而二維模型採用的是可視化的程序包fasttabs 。Finally, by numerical calculation, the advantage of two - beam coaxial gyrotron in interaction efficiency and mode competition are discussed
然後通過數值運算,討論了該迴旋管在互作用增長率和模式競爭兩個方面上的優勢。分享友人