numerical software 中文意思是什麼
numerical software
解釋
數值軟體-
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。 -
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。 -
By using the software deform3d, a numerical simulation of the double - sided roll forming of discal parts in 24 different cases has been carried out and the influences of the roller geometry, workpiece geometry and process parameters on the groove shape have been obtained
摘要利用商品化軟體deform3d ，對盤型件雙面輾壓成形過程進行了24種不同工況的數值模擬，獲得了輾壓溝槽的形態特徵以及工具參數、工件參數和工藝參數對溝槽形態的影響。 -
This paper mainly introduces the key technology and the software and hardware system ' s design of numerical control workshop ' s dnc integrated control system
本文主要介紹了數控車間dnc集成控制系統的關鍵技術及軟、硬體系統設計。 -
This paper analyses the numerical simulation problems of the semiconductor devices deeply. a one dimensional pn junction diode is worked out satisfyingly by the recursive method with the matlab5. 3 software
論文深入的分析了半導體器件的數值模擬問題，利用matlab5 . 3等計算機工具，用解三對角矩陣方程的遞歸演算法，實現了pn結二極體的一維求解，取得了比較滿意的結果。 -
According to the above theories, with using the software - deform - 3d, we have made the numerical analog simulation and analyse the warm extrusion forming technique process for sway oil pump stator, optimized the forming : technique and the die parameter for the pockety wall thickness forging this paper concretely analysis and research metal flow ' s characterize in different forming processes
本課題根據上述理論，利用有限元數值模擬模擬軟體deform - 3d ，對轉向油泵定子溫擠成形工藝過程進行模擬模擬分析，優化了油泵定子的成形工藝及模具參數。 -
2. the transonic flow field solutions of a ttcp standard waf - body combinations are computed using the software of cfd, the results are agreement with experiment dates, this verifies that the accuracy of the numerical simulation model is ensured
2 .應用cfd軟體對某ttcp標準卷弧翼-身組合體跨聲速下流場進行數值計算，將計算結果與文獻試驗結果進行對比，驗證本文數值計算模型。 -
3. the static aerodynamic characteristics of the projectile are computed using the software of cfd, the results of the numerical simulation are agreement with the engineering calculation, this verifies that the results of the static aerodynamic characteristics of waf from engineering calculation are satisfactory
3 .應用cfd軟體對彈靜態氣動特性進行數值計算，數值計算結果與工程估算結果吻合較好，說明卷弧翼的靜態氣動特性可以通過平板翼進行估算。 -
Cfx software is used to simulate flow fields of water cushion pool. contour stream line, vortex and kinetic energy in water cushion pool are found and offered as visualization form. the results of numerical simulation and piv are analyzed and compared in this paper
使用數值軟體（ cfx ）對此水工實驗模型的淹沒射流流場進行了數值模擬，得到水墊塘內的速度場、等流函數線圖，將這些計算結果以可視化結果的形式給出。 -
First, this text introduce fundamental concepts and conditions of development about object oriented finite element, and discussed the way which is essentiality and flexibility in the application of electrical numerical analysis analysis software, and also systemic studied the designing method of object oriented programming
文中首先介紹了面向對象有限元的基本概念和發展概況，討論了這種方法在電磁場數值分析軟體應用中的必要性與可行性，系統研究了面向對象的程序設計方法。 -
5. numerical analysis software expansion technology is studied
對數值分析軟體的擴展技術進行了研究。 -
In this thesis commercial software fluent5 was used to implement numerical simulation because it could in more detail and comprehensive display the distribution of the flow field in the channel and in the holes and the experimental results could be consummately enlarged. at last, the experimental results were contrasted and analyzed with the numerical ones
本文還利用商業軟體fluent5進行了數值模擬計算，數值計算可以更詳細更全面地展現通道內以及孔內流場的分佈規律，更加豐富和完善了實驗測量結果，並將實驗結果和數值計算結果進行了對比分析。 -
Meanwhile, the ansys software of fem is applied for numerical analysis to rock mass deformation process on dam abutment
同時，採用ansys有限元分析軟體對壩肩巖體變形過程進行了數值模擬分析。 -
Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed
本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群，施工開挖過程中和開挖后圍巖穩定性研究這一重大課題，在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上，以目前國際工程地質界公認的最新通用軟體flac ~ （ 3d ） 2 . 0版作為基本計算工具，從整個壩區地應力場的研究開始，通過動態數值模擬分析這一新的模擬思路，系統地研究了深切峽谷區地應力場多階段的特徵和演變規律，進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵，進行了全過程動態數值模擬研究，並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。 -
In order to select proper ground improvement method for this kind of special soil, the flac numerical software was used to analyze the stress train when treated by different methods
為合理選擇該類型軟土的地基處理方案，結合實際工程，運用flac數值分析軟體對濕軟黃土地基不同處理情況下的應力應變進行了模擬，得出合理結論。 -
First of all, for uncertain systems and state - delayed uncertain systems, the residual generators are constructed based on full - order filters, and the fault detection and isolation problems for these two classes of systems are reduced to h filtering problems by using h control theory. the fault detection filter design is formulated as convex optimization problem subject to lmi constraints in terms of linear matrix inequalities, which can be solved readily by using standard numerical software
首先，針對非時滯不確定系統和具有狀態時滯的不確定系統，採用全階濾波器構造殘差產生系統，利用h控制理論將這兩類系統的故障檢測與分離問題轉化為h濾波問題，採用線性矩陣不等式技術將魯棒故障檢測濾波器的設計轉化為具有線性矩陣不等式約束的凸優化問題，可利用標準的數學軟體求取。 -
The portable, extensible toolkit for scientific computation, petsc, has become a model of the high performance numerical software which gains huge attention and wide use in commuting community throughout the world. our selection of petsc as the target model of studying is based on following reasons : petsc uses mpi for all parallel communication, which is most fittable for general scalable computing, especially on our pc - cluster platform. petsc is a general purpose suite : of tools for the scalable solution of partial differential equations and related problems, which is much in accord with our research focus
可移植、可擴展科學計算軟體包petsc是近來在國際上很受關注、應用廣泛的高性能并行數值軟體開發典範之一，我們對它的重點學習與研究主要出於以下考慮： petsc基於mpi并行程序設計平臺，適合於我們常用的并行計算機尤其是機群系統；它以偏微分方程、代數方程求解功能為實現重點，非常切合於我們的主要研究方向和應用需求；尤為重要的是，在其良好的軟體使用模式和執行性能下隱含的先進軟體設計思想和程序實現方案，對我們今後的數值軟體開發很有借鑒意義。 -
Developing high - performance numerical software is a difficult task. it needs deliberate efforts from design to implementation, which often takes a long period of time. under this condition, obtaining technical and empirical knowledge through understanding, using and analyzing some existing well - designed software has become a shortcut to achieve our goal
在這種情況下，了解、使用、解構剖析一些已有的優秀數值軟體成果，以獲取在開發經驗及技術方面更多的認識，成為了我們迅速提高數值軟體開發水平的一條捷徑。 -
The application of parallel computing cannot exist without the support of related software. however, the design of a high - performance parallel program usually requires much more efforts than a sequential one, especially in case of complex problems. therefore, there is an urgent need of the development and improvement of high - performance numerical software
并行計算的應用離不開并行軟體的支持，在新的科學計算形勢下，人們對高性能數值軟體的嚴重依賴和迫切需求基於這樣一個事實：并行數值程序的設計遠比串列程序設計來得困難，尤其面對復雜應用問題時，大規模并行數值程序的開發和性能優化非常具有挑戰性。 -
Particularly, the established form, efficiency and methodology and principles of petsc, give us a proper direction in numerical software development which is extremely important. with the explicit intention, the main contributions of this dissertation are : give a general description of the research background. the main research content are classified as numerical modeling, programming and software design
以petsc為主線，本文的主要工作及貢獻包括： ?對當前高性能數值軟體領域的研究內容、現狀及發展趨勢做了較為詳細的調研與分析整理，歸納了數值建模與演算法研究、程序設計與性能優化、軟體開發思想與系統設計等三大數值軟體研究范疇。
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