[數] 數值計算
By numerical calculation in order to change the values of eigenvalues , and then calculate the corresponding wave function.
通過數值計算的方法依次改變本征值的取值，然後計算出相應的波函數。
In this paper, an organic combination of surface molding and numerical calculation is applied to optimization design for centrifugal pump impellers.
本文将曲面造型與數值計算有機的結合在一起應用到離心泵葉輪的優化設計中。
The time distance curves of travel time obtained by numerical calculation showed the feature of the curves and effectiveness and feasibility of the calculation method.
通過數值計算得到了旅行時時距曲線，表明了反射時距曲線的特征，證明了計算方法的有效性和可行性。
Calculate the sensitivity coefficient by numerical calculation during estimating the uncertainty that brought by the uncertainty of the direct measurement parameters.
在評定由于各個直接測量參數引入的不确定度時，用數值計算的方法計算靈敏度系數。
The thermal effect of high-energy laser produced within the beam controller and its influence on laser far-field spot are analyzed with numerical calculation method.
采用數值計算方法分析了高能激光在光束控制器内部傳輸所産生的熱效應及其對激光遠場光斑的影響。
Point out the fluid region in numerical calculation.
指出了數值計算時的流體域範圍。
As an application example, a formula for rupturing time of inner-pressured rotating cylinder irradiated by laser beams is presented, and the results agree well with that of numerical calculation.
作為溫升估算方法的一個應用實例，推導了轉動充壓柱殼在激光輻照下破壞時間的解析公式，與數值計算結果吻合得較好。
This method uses heat loss rate as iteration variable, gives rational initial iteration value and variable correction strategy to improve the stability and accuracy of numerical calculation.
該算法以熱損失速度作為疊代變量，通過給定合理的疊代初值和變量修正策略，來提高數值計算的穩定性和數值精度。
So, numerical calculation technology of electromagnetic field and imploring a novel calculation method are great value subject.
因此，電磁場的數值計算技術，探索新的計算方法，是一個很有價值的課題。
The results of numerical calculation coincide with the results of physical analog experiments.
數值計算的結果與物理模拟實驗的結果是相符的。
This paper researched on the secondary and jet wake structure in centrifugal impeller by numerical calculation.
采用數值計算方法來研究離心葉輪内的二次流和射流-尾迹結構。
The result of numerical calculation indicates that semiconductor optic amplifier has a good responding characteristic and higher conversion rate in all-optical wavelength conversion.
數值計算的結果表明，半導體光放大器在全光波長轉換中具有很好的線性響應特性和較高的轉換速率。
This article discusses the interference range of plane parallel film and non-parallel plane film in detail and gives the numerical calculation result.
較詳細地讨論了平面平行薄膜與不平行平面薄膜的幹涉定域問題，并給出了數值計算結果。
This new method is of considerable value in theory and application and also is one of the effective techniques for solving algebraic equation by numerical calculation.
此方法是用數值計算求解代數方程的比較有效的方法之一，具有一定的理論價值和應用價值。
In order to investigate and develop numerical calculation method for Schr odinger equation, we apply the finite difference method to eigenvalue problems in quantum mechanics.
為研究和發展薛定谔方程的數值計算方法，本文将有限差分法應用到量子力學求解薛定谔方程本征值問題。
The physical concepts are clear in this method, and its numerical calculation, compared with those of other methods, are stable, convergent and fast.
該方法物理概念清晰，數值計算穩定收斂，計算速度快，并與其它方法的計算結果進行了比較。
For a typical assembly stress problem, digital simulation is conducted by means of the hybrid method with different numerical calculation methods.
針對一個典型的裝配應力問題，運用不同的數值計算方法，對混合求解法進行了數值模拟。
The numerical calculation of integration is an important branch of numerical analysis.
積分的數值計算是數值分析的一個重要分支。
The effect of reactive load to resonance frequency of horn is analyzed by numerical calculation.
應用數值計算方法，分析了力抗負載對變幅杆諧振頻率的影響。
For the motion of a textile mechanism, the result is compared with that obtained from numerical calculation.
并對一個紡織機構的運動把所求得的結果和數值計算結果進行比較。
The theoretical investigation in ionic fluids has been done with analytical or numerical calculation of integral equations.
對于離子液體的研究理論上主要是用解析或數值計算求解積分方程組。
Through numerical calculation, the influences of the variations of the modulus and degree of saturation of soil layer and cross-section of the pile on the response are analyzed.
通過數值計算，分析了土層模量變化、土層飽和度變化以及樁身截面變化對樁頂頻域和時域響應曲線的影響。
Finally, we study dynamical evolution of this system using the numerical calculation.
最後我們運用數值計算的方法研究了此系統的動力學演化。
The finite-difference time-domain (FDTD) method is extensively applied in numerical calculation, simulation and design of electromagnetic structures because of its powerful capabilities.
時域有限差分方法（FDTD）由于其強大的功能在電磁結構數值計算、和模拟設計中得到了廣泛的應用。
We gave the lecture on the basis of logical algebra in order to illustrate how the computers operate numerical calculation by means of logical calculation.
我們在講非計算機專業的計算機文化基礎“時，從邏輯代數講起，闡明計算機是如何用邏輯運算完成數值計算的。
The result shows that the numerical calculation model of interface of block-structured grids in reliable and can be used for complex geometry shape.
結果表明，本文建立的分區交界面數值計算模型是可靠的，可用于處理幾何形狀複雜的流場模拟。
Monte Carlo method can be used to effectively solve complex engineering problems, and MATLAB has powerful numerical calculation function.
蒙特卡羅方法可以有效地解決複雜的工程問題，而MATLAB具有強大的數值計算功能。
數值計算（numerytical calculation）是指通過數學方法和計算機技術，用近似算法求解數學問題的過程。它主要應用于無法通過解析方法獲得精确解的複雜方程或物理模型，例如微分方程、積分運算和高維矩陣求解等領域。
這一概念包含三個核心要素：
在工程實踐中，數值計算支撐着關鍵技術創新。例如NASA在航天器軌道設計中采用龍格-庫塔法求解運動方程（《航空航天數值方法》，劍橋大學出版社），半導體行業使用有限元分析進行芯片熱力學仿真（IEEE Xplore數據庫收錄論文）。
該領域的權威理論基礎源自克萊門特學院數值分析教材提出的三大原則：穩定性（Stability）、收斂性（Convergence）和相容性（Consistency），這為現代計算數學提供了方法論框架。
“numerical calculation”（數值計算）是指通過數學方法和算法，利用計算機或手動計算來獲得數學問題的近似解的過程。它與解析解（精确的數學表達式）不同，常用于無法直接求解的複雜問題。以下是詳細解釋：
數值計算通過離散化、疊代或逼近技術處理連續數學問題，例如：
數值計算需考慮：
例如，計算積分時，梯形法則的誤差與步長平方成正比，而辛普森法則誤差與步長四次方相關，體現了不同方法的精度差異。
若需具體案例或算法實現細節，可進一步說明應用場景。
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