limit stress 中文意思是什麼

limit stress 解釋
極限應力
  • limit : n. 1. 界限，界線；邊界。2. 極限，限度；限制。3. 〈pl. 〉范圍，范域。4. 限價；限額；賭注限額；獵物限額。vt. 1. 限制，限定。2. 減少。adj. -able
  • 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 current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮，其計算地基承載力設計值的公式是根據彈性地基中應力分佈及土的極限平衡狀態理論為依據而得出的，求地基的沉降變形時則視土體為彈性，這些理論對地基及土的假設與淺基礎地基的實際工作狀態及天然土體的非線性、彈塑性存在一定的偏差。
  2. Called " musicure, " it was created for use in therapy by composer and oboist niels eje with doctors and psychologists. referring to the pillow ' s success in danish hospitals, lundstein said the army hoped it could also help tense soldiers. " we are hoping it can bring relaxing moments in a stressful environment for soldiers who are at the limit of their stress levels, " he said

    當談到這種枕頭在丹麥的醫院里所取得的巨大成功時，倫德斯坦表示，該國軍方希望它也能在克服士兵緊張情緒方面起到一定作用， 「我們希望它能夠為那些身處緊張環境下的士兵們帶來片刻輕松，畢竟他們的神經已經繃緊到了極點」 。
  3. In simple tension experiment, the stress - strain relationship submits hook ' s law within the limit of proportionality

    摘要單向拉伸試驗中，在比例極限內，應力應變關系服從胡克定律。
  4. This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first. then according to the transformation rule from ultimate strain to ultimate stress, it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively

    本文首先分析了板料成形的屈服準則和失穩準則，然後根據極限應變到極限應力的轉換關系，分別採用hill48屈服準則、 hill79屈服準則和hosford屈服準則，建立了用於軟體開發的成形極限應力圖的數學計算模型。
  5. At last, the finite element method, the strength reduction method and limit equilibrium method, nature slopes and excavation slopes, lateral stress unloading model and axial loading model are analyzed and discussed relatively

    最後，就有限元法、強度折減法和極限平衡法，自然邊坡與挖方邊坡，圍壓卸荷應力路徑模型分析與軸向加荷應力路徑模型分析進行了比較討論。
  6. From this point, this study frees from the traditional limit which focuses on adult plant only, putting the stress on studying the dynamic adaptive change of the structure and function of the sprout

    本研究以此為出發點，擺脫傳統的對旱生植物成株研究的局限，側重研究旱生植物自種子萌發開始后約60天內的幼苗結構、功能的動態適應變化。
  7. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  8. Objective : to study the relationship between angle of tilted abutment and stress distribution of periodontal tissue, and todetermine the angle limit for fixed prosthesis

    目的：探討基牙牙周組織受力與其傾斜角度的關系，找出能夠進行固定修復的基牙傾斜角度的極限值。
  9. Bending stress fatigue limit

    彎曲應力疲勞極限
  10. Based on stress concentration coefficient, fatigue notch coefficient, fatigue limit and range of allowed stress are obtained

    在k研究工作的基礎上，求得相應的疲勞缺口系數k _ f ，進而推定高強螺栓的疲勞極限應力幅及其允許應力幅。
  11. Measured results from in - site loading tests in tannin harbor and from in - door model tests were compared with predictions from the limit equilibrium methods. a method of estimating the bearing capacity for inhomogeneous medium was suggested to meet every case ; 4. according to the results from model tests, the elastoplastic fem were performed to study the procession of the change of the stress and strain in inhomogeneous medium and to simulate the procession of the forming of the failure surface during loading, and the failure mechanism was studied ; 5

    4 、結合模型試驗結果，確定出了符合非均質介質規律的彈塑性模式，在此基礎上分別運用二維、三維彈塑性有限元程序，模擬出了外荷載作用過程中非均質介質內部應力、變形以及破壞面的發展過程，分析得出了非均質介質地基的破壞機理； 5 、在港口工程地基設計當中，已經引入了可靠度理論計算分析基礎穩定性。
  12. 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最大應力超過了許用應力，但小於屈服極限，可以繼續投入使用；副梁內部的應力遠遠超過了強度極限，變形特別嚴重，不能滿足生產要求，因此更換新的副梁；端梁內部的應力超過了屈服極限，小於強度極限，在應力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。
  13. 3. the effect of water on leaf was very marked. leaf length and leaf area increase were restrained under water stress and excessive water supply could limit them, too

    3 、水分對芨芨草葉片的生長影響極為明顯，水分越低，葉片長度越小，單葉葉面積越小，但水分過多，會抑制葉片的伸長。
  14. 3. the crane load and fatigue strength are regarded as stochastic process, the fatigue dynamic reliability based on limit stress model and fatigue dynamic reliability based on accumulation damage model are established on the base of statistic analysis the fatigue load and resistance

    3 、在對疲勞荷載與抗力統計分析的基礎上，視吊車荷載與疲勞強度為隨機過程，建立了基於極限應力模式的疲勞動態可靠性分析模型及基於累積損傷模型的疲勞動態可靠性分析模型。
  15. First read in the calculation result file i. e. d3plot, then input the correlative material parameters and ultimate strain from experiments, and the developed software will produce the forming limit stress diagram used as sheet metal instability criterion and the stress contour of the part

    所開發的應用軟體，首先讀取dynaform的計算結果文件d3plot ，輸入材料的相關參數和試驗所得到的板料的極限應變，軟體即可生成用作板料失穩判據分析用的成形極限應力圖和零件的應力雲圖。
  16. This paper overviewed the prediction methods of forming limit in sheet metal forming, which included forming limit stress diagram, the maximum forming thinning ratio, forming limit diagram and ductile fracture criteria ( dfc )

    摘要對板料成形中的成形極限應力圖、最大變薄率、成形極限圖以及韌性斷裂準則等預測成形極限的方法，進行了綜述和分析。
  17. According to the former mathematical calculation models, the applied software, which uses the forming limit stress diagram as its instability criterion, is developed based on the sheet metal forming finite element code dynaform using visual c + +

    根據以上所建立的數學計算模型，基於板成形專用有限元分析軟體dynaform的環境，用visualc + +開發了以成形極限應力圖作為判據的應用軟體。
  18. In view of the above reason, this thesis adopts the forming limit stress diagram as the instability criterion due to its independence of strain paths, which is acknowledged at home and abroad in the field of sheet metal forming, and develops the applied software for the special purpose finite element analysis code dynaform in order to provide it with a new instability criterion

    本文基於板成形專用有限元分析軟體dynaform ，以國內外板料成形領域認同的具有應變路徑獨立性優點的成形極限應力圖為判據進行了應用軟體的二次開發，以期為板成形有限元分析軟體提供一個新的失穩判據。
  19. Did test cases include boundary, limit, stress and living testing

    測試事例都包括范圍，界限，壓力和實例試驗嗎？
  20. The goal of analyzing the instability in complex sheet metal forming is reached using the forming limit stress diagram as criterion in this thesis. some different sheet metal forming parts are analyzed with the developed software, whose results show that the developed software is satisfying for technological analysis of sheet metal forming and the applied module attains the anticipated goal

    並用所開發的應用軟體成功地對板成形零件的有限元計算結果進行了分析，分析結果表明，用該軟體分析板成形零件的失穩情況的結果可以滿足板成形工藝分析要求，所開發的應用軟體模塊達到了預期目的。
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