time finite mechanism 中文意思是什麼

time finite mechanism 解釋
時間有限信號
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • finite : adj. 有限的;【語法】限定的;【數學】有窮的,有盡的。n. 〈the finite〉 有限(性); 〈集合詞〉有限物。adv. -ly ,-ness n.
  • mechanism : n 1 (機械)結構;機械裝置[作用];(故事的)結構。2 【哲學】機械論 (opp vitalism)。 3 【文藝】...
  1. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。
  2. In this thesis, analysis of whole performance and interior mechanism of plain soil slope and soil nailing wall with flag finite difference program has been carried out. at the same time, the impacts on the internal force distribution of soil nailing and the deformation of soil nailing wall of many factors, including the connection between face shield and soil nailing, the friction decline between soil nailing and soil, the shear force & bending moment resistance of soil nailing, the cement crack in soil nailing, face shield, excavation, the obliquity of slope, and so on are studied in this thesis

    本文通過flac有限差分程序,分析了素土基坑和土釘墻體的整體性能和內在機理,研究了土釘和面層的連接變化、土釘表面性能的下降、土釘的橫向抗剪抗彎作用、土釘漿體的開裂、面層的有無、基坑的開挖過程、基坑放坡角度等因素對土釘內力分佈和土釘墻變形的影響。
  3. Then through reasonable planetary transmission design based on mechanism analysis, machine design optimization and finite element method, smaller volume structure will be obtained, which produces remarkable economic benefit because of the reducing of machining material and wasted time. due to full - scale application of planetary transmission, machine efficiency is higher than ordinary gear transmission

    在機構分析、優化設計、有限元分析的基礎上,只要通過合理的行星傳動設計,就可得到體積更小的結構,使加工用料和機床臺時費用下降,從而降低製造成本,經濟效益也是顯著的。
  4. Visual programming of the bscas ( bridge structure constructional analysis system ) is realized, the mechanism of establishment and discretization of diagrammatic drawing of bridge structure has been analyzed in details with the theory of mechanics and finite element method. at the same time, theory, function and applicability of the program have also been discussed in the paper

    編制了bscas大跨度橋梁結構施工分析軟體,從力學和有限單元法原理對橋梁結構計算圖式的建立和結構離散化原理做了較為詳盡的剖析,對程序的編制原理、功能以及適用范圍做了詳細的說明和討論,提出了一些自己的認識和觀點。
  5. Firstly upon the real - time operating system rex, we study the module of ui task, adopt the in - level finite state machine mechanism, and give the total architecture design of the ui task, at the same time, realize the functional routines of the application, the definition of data structure, the design of interface etc ; then, we study the access strategy design of flash data and the display implementation design of lcd ; and study multi - language mechanism, design and implement text input method and display of multi - language ; finally, it evaluates the analysis and design of embedded software and makes a summary

    同時,設計開發了一些功能模塊,包括數據結構定義,各種介面實現等。然後,研究了以flash為存儲介質,對數據的存儲管理的實現;以lcd為顯示媒介,對數據的顯示管理的實現。接著研究了移動終端的多語言機制,設計並實現了多語言文本的輸入法及字元顯示功能;最後,本文對cdma移動終端嵌入式軟體的分析、設計進行了評估與總結,並對未來的工作進行展望。
  6. Though elastic finite element is adopted to analyze its seismic mechanism, methods are not sufficient for structural design. based on the finite element analysis, its seismic performance is studies deeply. in order to evaluate the structural seismic performance, three approaches, spectrum method, time - history analysis method and static elastic - plastic analysis method, are used in this project

    本文的主要工作是研究和評估多塔帶轉換層高層建築結構的抗震性能,為此,採用了三種方法:振型分解反應譜法;彈性時程分析方法;彈塑性靜力( push - over )分析方法,展開了對課題的研究。
  7. The comparisons of the results in the analysis of the ii devised program and the ansys software and the code gbj7 - 89 show that the finite numerical method used in the paper can combine the analyses of the bearing capacity and the settlement of the foundation at the same time and can obtain the nonlinear settlement of the foundation under different load grade and the development of the soil plastic zone and the ultimate bearing capacity of the foundation and can imply the practical mechanism of loaded soil below the shallow foundation under the vertical load

    在兩類地基情況中均對本文程序、 ansys有限元軟體、規范gbj7 - 89的計算結果進行了比較,結果表明,本文的有限元數值分析方法可將地基的沉降及承載力分析結合起來,可求得各級荷載下地基的非線性沉降變形、地基土體塑性區的開展情況和地基的極限承載力,能反映豎向荷載作用下淺基礎地基的實際工作機理。
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