擬穩定分佈律 的英文怎麼說

中文拼音 [wěndìngfēn]
擬穩定分佈律 英文
quasi stable law
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名1 (法律; 規則) law; rule; statute; regulation 2 (律詩的簡稱) short for lüshi 3 (姓氏) a ...
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、電流法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培推導出空芯動圈式直線永磁同步電動機的靜推力計算公式,析靜態力?位移特性; ( 3 )建立空芯動圈式直線永磁同步電動機動態模模型,模不同驅動方式下電動機起動、態運行時電磁力、速度、位移的變化情況。
  2. Combined with practical data of shannxi lin hekou hydropower plant, the temperature filed of m and n schemes during construction and operation are simulated and analyzed. the isoline map of stable temperature field of the arch crest girder section and the vertical section in the center of arch dam, the isoline map of unstable temperature field of the arch crest girder section and the vertical section in the center of arch darn during construction and operation and the maximal and minimal temperature value during construction and operation are provided. the distribution law of temperature in the dam and the form reason of high - temperature zone are analyzed and the effect and feasibility of cooling and the zone of cooling are discussed

    結合陜西藺河口水電站工程實際資料,對m方案和n方案溫度場進行了施工期和運行期全過程模計算析,給出了拱冠梁剖面和壩體中心縱剖面準溫度場等值線圖以及施工期、運行期拱冠梁剖面和壩體中心縱剖面非溫度場等值線圖,提供了施工期逐月和運行期每年最高、最低溫度等成果,析了壩體溫度以及高溫區形成的原因,並探討了預埋冷卻水管的效果和可行性以及預埋冷卻水管的區域。
  3. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先,本文在綜合析隧道性影響因素及失破壞模式的基礎上,對全長粘結式砂漿錨桿作用力學機理進行了深入研究,為全長粘結式砂漿錨桿的有限元模析奠了基礎;其次,針對傳統錨桿有限元模方法的局限性與不足,在上述全長粘結式砂漿錨桿作用力學機理研究基礎上,建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後,運用上述復合砂漿錨桿單元模型,引進非線性有限元析手段,開發了隧道支護析的有限元程序,並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討,得到了對隧道支護設計具有指導意義的結論;最後,運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模計算,探討了其應用方法,並就隧道變形與應力及塑性區進行了析,從而提出了合理的支護方案,為隧道支護設計提供了參考依據,完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  4. Abstract : taking the underground powerhouse in a huge hydropower station as an example, the authors studied distribution pattern of the secondary stress field of surrounding rock mass with nonlinear finite element method of the large - spaned underground powerhouse with high side wall and evaluated the stability of surrounding rocks

    文摘:以某大型水利工程建地下廠房為典型實例,應用二維非線性有限元析方法,研究大跨度、高邊墻地下廠房區二次應力場,並評價圍巖的性。
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