displacement field 中文意思是什麼

displacement field 解釋
位移場
  • displacement : n 1 轉位,移動;取代,置換;(人的)流離失所。2 撤換,免職。3 【機械工程】(活塞)排氣量;【航海...
  • 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...
  1. 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。
  2. The complete set of curvatures constitutes the real displacement field.

    曲率的全集合就構成了實位移場。
  3. With the mechanics simulation of temperature load and time independent, it is on time made to monitor the corresponding load displacement field and the change tendency at any time, and is monitored the dam work regularity

    並對溫度和時效進行力學的模擬,使其及時監測在任何時刻所對應荷載的位移場和變化趨勢,從而監控大壩的運行性態及規律。
  4. Perturbations of the force field will cause changes, or variations, of the displacement field.

    力場的擾動要引起位移場的變化或者說變分。
  5. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡( k343 )大型滑坡,運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測,揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動方式以及位移場分佈特徵;同時,利用聲波探測對原抗滑樁進行了檢測,分析了失效原因,並查清了擬建抗滑樁地段的地質條件。
  6. Analysis study on displacement field of surrounding rocks of two parallel tunnels with arbitrary shapes and its application to back - analysis of displacement

    兩平行的任意形狀洞室圍巖位移場解析法研究及其在位移反分析中的應用
  7. The unknown displacement field is approximated by discontinuous, piecewisely differentiable functions

    用間斷分片可微的函數來近似未知位移場。
  8. The displacement field of dislocation on the half - space of two - phase saturated medium

    兩相飽和介質半無限空間位錯位移場
  9. The inverse problem of finding the displacement field from a strain field is not so simple.

    反過來,如果從變應場來尋找位移場,那麼問題就沒有這么簡單。
  10. Maxwell ' s equations conserve certain properties ? the magnetic field intensity, the electric displacement field and the poynting vector that describes the electric flux of an electromagnetic field

    麥克斯韋方程中有某些特性是恆定不變的磁場強度、電位移場以及描述電磁場電通量的坡印廷矢量。
  11. In the majority of application, either the force field or the displacement field is imaginary.

    在多數應用中,不是力場就是位移場總有一個是虛設的。
  12. In the majority of applications either the force field or the displacement field is imaginary.

    在多數的應用中,不是力場就是位移場總有一個是虛設的。
  13. Abstract : based on the result of visioplasticity test, the law of tube central upsetting was created, and the calculated method of displacement field and strain field were obtained. in this study, the four deformation modes were showed when ratio of height to thickness of tubular billet is greater than 3. the four modes were related to the distribution of strainless - plane

    文摘:根據管坯視塑性實驗法的實驗結果,分析了無芯軸支撐條件下,管坯中部鐓鍛的變形規律,闡述了變形區位移場、應變場的計算方法;通過對實驗結果的分析,得出了當鐓粗比3 ,管坯中部鐓鍛時,內壁呈現四種典型的變形模式;論述了分流面的分佈與四種變形模式之間的轉化關系。
  14. In the simulation and analysis on culvert construction, the method of foundation - pit excavation layer by layer and step by step was used, i. e. the method that makes the surface of excavation have no stress, when the elements were excavated gradually in period of construction. at this process, the state of soil is unloading, the laws of stress field and displacement field with the depth of excavation were studied. based on the obtained stress field and displacement field after the excavation was completed, by using of the newly increased filling - elements " gravity and the grinding force, the simulation of the construction of body of the culvert and foundation - pit ' s filling layer by layer had also been done in this dissertation

    用有限元法模擬分析涵洞基坑開挖時,採用分層、分步模擬開挖過程的方法,即將計算域內單元分層「挖去」 ,使開挖表面成為無應力表面的方法,分析土體在卸載狀態時的應力場和位移場隨開挖深度的變化規律;在洞體施工后,回填土體時,據開挖完成時的應力場、位移場,通過逐級增加計算域內的單元數目,施加每級新增加單元的自重荷載,利用有限元法模擬基坑及上覆土體分層填築的施工過程,這不僅反映土體處于再加載應力狀態時,填土受力及變形的一般規律,而且這種將地基? ?涵洞? ?土體作為一個統一整體進行模擬的方法,量化了三者之間的相互作用關系。
  15. The expressions can take into account some important aspects such as stress - free ground surface, incompression of soil, prebored hole and tubular pile. through the analysis of displacement field, the variation rules of horizontal and vertical displacements are obtained

    由位移場的解析解分析可知,樁身整個深度內的水平向位移場是向外擠出,豎向位移場在表層土體表現為隆起,而深層土體表現為下沉。
  16. The development of shear band was researched by analyzing the confining pressure - time history, volumetric curve and displacement field of pfc model

    通過分析圍壓時步曲線、體變曲線和不同階段的顆粒位移場的變化規律,研究了剪切帶的形成與發展規律。
  17. At first we should construct a suitable green ' s function, which is an essential solution to displacement field for an elastic half space with an arbitrary - shape - canyon impacted by antiplane harmonic line source loading at horizontal surface

    首先構造了一個適合解答本文問題的green函數,該函數為含有任意形凹陷的彈性半空間在其水平面上任意一點承受時間諧和的反平面線源荷載作用時位移場的解答。
  18. First thing is to use a suitable green " function, which is a essential solution of displacement field for the elastic half space with a half circular lining, which impacted by out - plane harmonic line source loading at horizontal surface

    求解該問題的過程中,首先利用一個適合本問題的green函數,該函數為具有半圓環形襯砌的彈性半空間在其水平表面上任意一點承受時間諧和的出平面線源荷載作用時位移場的解答。
  19. Displacement function means for calculating geostress in fem analysis of underground houses is used, based on crustal stress data of underground cavern of pump water station of tong guanshan yixing to store energy, applying the displacement function theory and 3d nonlinear fem, the thesis simulates a displacement field applied the boundary in engineering area and obtain the initial crust stress field through load function in ansys. the result shows that the error between regressed ones and actual ones is controlled in allowed limit and supply the important data for building and design

    根據宜興銅官山抽水蓄能電站地下廠房區的地應力實測資料,運用位移函數法理論,採用三維非線性有限元計算方法,反演出施加在廠房區邊界上的位移場,藉助州sys有限元分析軟體,獲取模型邊界節點的坐標信息,然後通過ansys軟體的載荷函數將邊界位移程序化施加到模型邊界上,最後得到整個區域的初始地應力場,結果表明回歸后的地應力值與實測值接近,為地下工程的施工設計提供了重要的資料。
  20. Math. and physics department, yanshan university, qinhuangdao 066004 ) [ / align ] [ align = left ] [ b ] abstract [ / b ] : through the pictures taken by means of laser speckle on the metal material weldment, we can obtain double - exposed displacement patterns at a temperature range. by point - to - point analysis heat displacement field at the welding points can be measured, and the distribution of thermal strain and thermal stress can be obtained. as a result, the flaws at welding points can be measured through experiments

    本文應用激光散斑法,其測量靈敏度介於全息干涉法和雲紋法之間,象所有其它散斑法一樣,它是一種非接觸式的測量技術,對環境及設備條件要求不高,對被測件表面不需進行特殊處理,可在生產現場對實際物體進行測試。
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