field stress 中文意思是什麼

field stress 解釋
原巖應力
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. The investigation of the effect of temperature field, stress field and the adscititious physical field on the sls can lead to the systematical analysis and elimination of the disfigurements existed in the metal parts prepared by sls

    通過研究激光燒結的溫度場、應力場以及研究外加物理場對激光燒結的影響，可以系統分析和解決激光燒結金屬零件存在的缺陷。
  2. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  3. According to this, the temperature field stress field and autogeny body - expand - deformation field of yangchun arch dam during construction arid operation period are analyzed, thus many significant conclusions are got for reference

    由此，模擬分析了陽春拱壩施工期和運行期溫度場、自生體積膨脹變形場及應力場，得到了一些有參考意義的結論。
  4. Hyperbola model of mgo - mixed concrete ' s autogeny deformation, especially deduce of the model ' s parameter and building process of the model are analyzed in detail. ( 2 ) calculating method of autogeny deformation and creep are discussed. based on these, timely - simulation theory of dam body ' s temperature field stress field and pre - process back - process method are mainly studied

    （ 2 ）對mgo混凝土的自生體積變形及徐變變形的計算方法進行了探討，在此基礎上，重點研究了壩體溫度場和應力場實時模擬的原理以及前後處理方法。
  5. Abstract : the numerical simulation of the rheological warm extrusion molding of the missile shell, a kind of aluminum alloy part, has been carried out, including the simulation of metal flow in the mold cave, velocity field, stress field, strain field, temperature field, and nodal force etc

    文摘:對鋁合金零件彈托在溫擠條件下的流變成形過程進行了數值模擬，其中包括對金屬在模具型腔中的流動情況、速度場、應力場、應變場、溫度場、節點力等的數值模擬。
  6. Application of field stress in designing bolt supporting

    地應力在錨桿支護設計中的應用
  7. Research about getting field stress by logging data and controlling fracture pressure

    利用測井資料求取地應力及壓裂控制研究
  8. The interaction of stable plane wave and electromagnetic pulse fields with human body is studied in this paper based electric field stress

    本文從電場應力的角度研究穩態平面波和脈沖波對人體的作用。
  9. The wheel tracking test perfectly simulate the field stress status, simple and applicable. the deformation and ds ( dynamic stability ) of the wheel tacking test are becoming the criterion of rutting resistance

    車轍試驗較好地模擬現場應力狀態、簡單實用，車轍試驗的變形量和動穩定度值逐漸成為抗車轍能力的重要標準。
  10. ( 3 ) participating in the developing of analysis < software about temperature field stress field and expand field of concrete ; combining these software with ansys and developing special software for simulation analysis of mgo - mixed concrete base on ansys

    （ 3 ）參與研製開發了有關溫度場、應力場及mgo混凝土膨脹場的分析軟體，並將上述軟體有機地與ansys軟體結合，在ansys基礎上開發了外摻mgo混凝土模擬分析的專用軟體。
  11. Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice

    空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變，間隙上承受了非常高的電壓，這使得冰凌尖端的電場變得相當強，一旦電場達到了電暈的起始電場，局部放電就在這一區域發生，進而產生局部電弧並逐漸發展成整串的閃絡，泄漏電流迅速增大，同時伴隨著冰的融化。
  12. Obtain these chief research achievements. ( 1 ) the method of hydraulic fracturing, kaiser effect experiment and the finite element numerical simulation computation results, the direction of maximum horizontal principal stress intersect the small - angle of tunnel axial line, it is favorable to the stability of tunnel peripheral rock ; according to the test rust of field stress - relief method, at the present time, zhe gu mount tunnel have n ' t access to high crustal stress site, maximum principal stress magnitude is 17mpa ~ 20mpa

    主要獲得以下研究成果： （ 1 ）綜合水壓致裂法、室內巖石kaiser效應試驗和有限元數值模擬計算研究成果，最大水平主應力方向與隧道洞軸線小角度相交，對隧道圍巖穩定性有利；根據現場應力解除法測試結果，目前鷓鴣山隧道尚未進入高地應力段，最大主應力量級為17mpa 20mpa 。
  13. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。
  14. ( 3 ) the upper result of settlement field, stress field and crack deepness offers a theoretics gist for reinforcing bank. the paper concludes several methods of reinforcement. through choosing project, made certain adopting geomebrance to reinforce the bank

    本文又對堤防加固的各種措施方法進行了歸納整理，通過方案比選，選擇用迎水面斜鋪土工膜的方法進行防滲加固，並對土工膜的材料選擇進行了計算。
  15. The observation results show that not only plate, block, boundary zone, fault zone but also speed field, stress field all over present the accordance of present - day crustal movement in several years or tens scales with those in neotectonics of million year scales as a whole

    觀測結果表明，無論板塊、塊體、邊界帶、斷裂帶，還是速度場、應力場都呈現出數年至數十年尺度的地殼運動與百萬年尺度的新構造運動整體一致。
  16. Much physics mechanics characteristic of concrete is overviewed, which is used in calculation of the temperature field, moisture field, stress field and temperature control and crack prevention

    本文綜述了溫度場、濕度場、應力場和溫控防裂計算中涉及到的有關混凝土的一些物理力學性能。
  17. Computer simulation of flow field - temperature field - stress field coupling in continuous casting of beam blanks

    異型坯連鑄液固溫耦合計算機模擬
  18. It is very significative to detect the crack as soon as possible. displacement field, temperature field, stress field of dam will change only in very little area of it when someplace of dam appears damage. so it is difficult to detect damage in the early stage if no measurement point in the damage area by means of displacement measurement, temperature measurement or stress measurement

    當大壩某處出現損傷時，只有該處很小范圍內的壩體位移場、溫度場、應力場可能發生變化，這樣如果在這個范圍內沒有觀測點，在大壩出現病害的初始階段，現有的基於位移場、溫度場、應力場的監測手段往往是監測不到的。
  19. 6 ) the thermo - mechanical behaviors of sma fiber reinforced smart structures with damages have been analyzed by utilizing the shear lag model and variational principle. mathematical expressions on meso - displacement field, stress - strain field of typical element with damages have been presented, and a failure criterion of interface between sma wires and base material is established. a geometric characterization on the failure criterion has also been made via an example

    6 ）運用剪滯模型和變分原理，對含損傷sma增強智能結構的熱、力學行為進行了分析，給出了含損傷典型單元體的細觀位移場、應力應變場的數學描述，建立了sma增強智能結構界面的失效判據，並通過算例對失效判據進行了直觀的幾何描述。
  20. 3. with the consider of one mgo concrete arch dam in guangdong province, its construct course was simulated and its thermal field, autogenous volume expansion field, strain field, stress field and displacement field were also analyzed. at the same time, the simulated analysis theory and accuracy and rationality of the program were validated in comparison with the prototype observation data

    3 、結合廣東某外摻mgo混凝土拱壩，對其施工過程進行了模擬，完成了壩體的溫度場、自生體積膨脹場、應變場、應力場及位移場的實時模擬分析，同時結合原型觀測資料的分析，對模擬分析成果進行了驗證。
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