極限最小應力 的英文怎麼說

中文拼音 [xiànzuìxiǎoyīng]
極限最小應力 英文
limiting minimum stress
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物學以及研究人體脊柱耐受沖擊載荷的問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,後得到腰椎間關節剛度系數因子和阻尼系數因子
  2. Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield

    摘要根據9個鋼筋混凝土框架異型節點試件的擬靜試驗結果,指出異型節點受過程分為初裂、通裂、和破壞4個階段;討論了軸壓比、節點核芯配箍率、柱截面高度變化對異型節點抗剪性能的影響;提出考慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「核芯」為分析單元來研究此類節點抗剪承載的建議;終給出了異型節點抗剪承載的計算公式。
  3. With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon

    本文通過實驗研究和理論分析,認為在熱流量於攜帶時,影響工質傳熱能的是cpu重熱管的充液量和其乾涸,此次所實驗的三種工質,佳充液量當在8g ~ 14g ;傳輸因素主要決定普通熱管的毛細,而不是重熱管傳熱能的決定因素;三種工質中的佳工質是丙酮;風速時風速的變化對cpu重熱管的傳熱有明顯的作用,但在風速大於1m / s以後,風速增加對于cpu重熱管的傳熱能的增加效果減緩。
  4. This paper narrates the meaning of research in the applied field of prediction for the ultimate bearing capacity of the integrate pile, introduces several typical predication methods for the ultimate bearing capacity of pile, and gives the way for making model. one of them is the partial least - squares regression method which is put forward by me with the help of mathematics knowledge. the method can offer full range analysis for the ultimate bearing capacity of pile

    本論文主要內容敘述了預測法在完整樁承載用研究的意義,引入幾種典型的預測法對樁承載進行預測,闡明了模型的建立方法及過程,其中偏二乘回歸預測法是本人藉助數理知識提出的一種新的預測法,用此法可以對樁承載進行全過程分析,本論文後用marc軟體進行模擬模擬預測,進一步實現了預測的實用性。
  5. The conclusion of reappearing analysis is that crane bridge be used as usual because main weld maximum stress of upper cover plate of main beam lower than yield limit though it higher than permissible stress. inner stress of secondary beam was over ultimate strength, and deforming is ultra big. so it was unfit for produce and secondary beam must be changed

    再現分析得出的主要結論為:橋架的主樑上蓋板主焊縫的超過了許用,但於屈服,可以繼續投入使用;副梁內部的遠遠超過了強度,變形特別嚴重,不能滿足生產要求,因此更換新的副梁;端梁內部的超過了屈服於強度,在較大的位置焊接補強板;投入使用后,要對整個橋架進行定期檢查。
  6. The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given

    後,運用ansys通用有元程序的beam189單元,引入初彎曲和殘余的影響,用考慮幾何和材料雙重非線性的有元求解格式求得箱形柱在不同軸和彎矩比例作用下的彈塑性承載,通過對十幾個不同截面尺寸構件在不同長細比下的承載計算,發現在軸p遠大於彎矩m時,構件將是平面外失穩控制,而當軸p遠於彎矩m時,構件則以平面內失穩為主。
  7. The rule of settlement and pore stress is educed too. then it is compared with the case which is found in site. finally, the paper studies the computing method of pile to soil stress ratio of rigid pile composite foundation with cuhion, and these conditions are thought that the top of pile pierce into cushion and the bottom of pile pierce into underlayer. lt is assumed that the cushion is ideal elastic mass and ideal elastic - plastic mass, then the formula is developed and all parameters " effects to stress ratio of pile to soil are discussed

    後,推導出了帶墊層的剛性樁復合地基樁土比的計算公式,這個公式將墊層分為彈性體和理想彈塑性體兩種情況分別進行推導,考慮剛性樁刺入墊層和下臥層的情況,並對公式進行了分析,得出了在剛性樁復合地基中樁土比隨著墊層模量和樁模量的增大而增大,但都有一值,隨樁間土模量的增大而減,也有一值。
  8. The several ones that have more lager sensitivity to embankment settlement are found out. then, aimed at the traditional three - layer bp network ' s shortages : easily getting into local minimum value and slow convergence, the modification combined momentum method with self - adaptation study velocity is made, and one improved bp network is put forward. finally, according to the results from above sensitivity analyses, the nonlinear model main parameters of each natural layer in roadbed are approximately rectified using the improved bp network technology founded on its stronger nonlinear mapping capacity and the settlement measurements

    採用非線性有元程序,對鄧肯-張模型中8個參數與路堤沉降的關系進行了詳細分析,找到了影響沉降的主要參數;接著,針對傳統的三層bp網路具有收斂速度慢、易陷入局部點等不足,對其進行了修正,提出了改進的bp神經網路模型;後,根據上述靈敏度分析結果,基於改進的bp網路模型較強的非線性映射能和前期沉降實測資料,對路基中各天然土層的非線性模型主要參數進行了反分析修正; ( 4 )路堤沉降計算一維法中考慮歷史、側向變形的研究。
  9. The result shows the maximal stress value in original design is much less than the breaking point of aluminum alloy, which make material wasted. so it is necessary to optimize structure of road wheel

    結果表明:值遠於鋁合金車輪的強度,強度儲備很大,造成了材料的浪費,存在著進一步優化的必要。
  10. At the same time, a series of development trend in organization structure innovation under the information environment has been put forward : flat model is the basis of organization structure optimization ; flexibility not only is beneficial to organization creation, innovation and accelerating reaction speed, but also strengthens organization ' s control centripetal force during the process of being operated continuously. it has rapid adjusting ability in time according to unexpected results of predictable change ; networking can not only decrease internal management cost and realize integration between supply chain and sale chain in worldwide, but also realize enterprise " s completely authorized managemen in order to promote substantial leap in enterprise economic benefit ; virtual model is centralizing limited resources on high additional value function and making low additional value virtual in order that the largest resource support can be obtained in the lowest cost and the whole organization is operated in the most effective way for adapting to market " s rapid change with high elasticity ; creating learning pattern in organization makes enterprise expand the width and depth of information being exchanged with the outer so as to keep enterprise in an unassailable position

    提出信息化環境下組織結構創新的一系列發展趨勢:扁平化是組織結構優化的基礎;柔性化既有利於組織的創造、革新、加快反速度,又能使組織在不斷磨合中加強控制的向心,具有適時根據可預期的變化的意外結果迅速調整的能;網路化不僅減少了內部管理成本、實現了企業全世界范圍內供鏈與銷售環節的整合,而且實現了企業充分授權式的管理,大地促進了企業經濟效益,實現質的飛躍;虛擬化是將有的資源集中在附加值高的功能上,而將附加值低的功能虛擬化,以的代價獲得大的資源支持,從而使整個組織以有效的方式運轉,以高彈性化來適市場的快速變化;創建學習型組織,使企業拓展了與外界進行信息交流的廣度和深度,使企業立於不敗之地。
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