損傷應力 的英文怎麼說

中文拼音 [sǔnshāngyīnglì]
損傷應力 英文
damaging stress
  • 損 : Ⅰ動詞1 （減少） decrease; lose 2 （損害） harm; damage 3 [方言] （用尖刻的話挖苦人） speak sarcas...
  • 傷 : Ⅰ名詞1 （人體或其他物體受到的損害） wound ; injury 2 （姓氏） a surname Ⅱ動詞1 （傷害） injure; h...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : 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...
  • 損傷 : 1. （傷害） harm; damage; injure; lesion; scuff; hurt; damnify; impair 2. （損失） loss; cause loss to
  1. The results obtained show the effects of defection cumulation material nonlinear and internal force distribution are remarkable with increase of crack element

    結果表明，考慮結構損傷的累積效應和材料的非線性性質，結構的內力重分佈較為顯著，開裂單元范圍加大，適用性能與耐久性能降低。
  2. The article adopts theories such as stress - focus to calculate the structures stress ; the assembly stress and the product conditions are the keystones of production ; whether expediently replace glass in the field and damnify framework are considered in servicing ; the new lifesaving way the request which proposed to the cabin design mainly considers the access cabin overall rigidity

    應力分析主要採用應力集中等理論對結構進行計算；生產過程主要考慮裝配應力和生產條件；維護主要考慮是否利於外場更換玻璃和更換玻璃對框架的損傷；新救生方式對艙蓋設計提出的要求主要考慮艙蓋整體剛度。
  3. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  4. 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

    人體脊柱動力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力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法，使其可應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力學模型，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小得多，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，最後得到腰椎間關節剛度系數因子和阻尼系數因子
  5. In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition

    在論文中，考慮到壓力管道的一維性質，提出用應變模態改變變化率的方法對一維的結構進行損傷識別；同時考慮到在實際的工程和現場測試中，壓力管道大多深埋在地下或者有外在的保護膜，不宜進行模態的檢測，所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別，從而得到我們感興趣的東西，達到損傷識別；一般，在利用彈性波反射方法進行損傷檢測中，不考慮截面效應對彈性波的衰減影響，這就對損傷檢測造成一定的影響，本文考慮截面效應的影響，通過實驗來確定截面效應系數。
  6. 3 ^ the easiest damage area is outside of the tibial plateau and center and inboard of the complex according to the enlargement of the angle of exstrophy. exstrophy greater than 20 degree is possible critical angel of the beginning of damage and the precaution of complication after osteotomy

    3 、隨膝關節外翻角度增加，最易受損傷的部位位於外側勝骨平臺和外側復合體中心和內側，外翻大於20 」可能為外翻應力破壞和截骨預防的臨界角度。
  7. As a member of this superfamily, human acidic fibroblast growth factor ( afgf or fgf1 ), expressed by a variety of cells from all three germ layers, shows great potential for clinical applications for therapy of a variety of diseases, such as parkinson ' s disease, spinal cord contusion injury, neural regeneration in reimplantation of broken - off finger, brain ischemia, renal ischemia, myocardial infarction, occlusive vascularitis, retinal ischemia, gastric ulcer and nonhealing wound and so on

    人類酸性成纖維細胞生長因子（ afgf ， fgf - 1 ）是成纖維細胞生長因子超家族成員。來自於三個胚層的多種細胞都可以表達afgf 。 afgf在治療帕金森綜合癥、急性脊柱扭曲性損傷、斷指中神經功能重建、腦缺血、腎缺血、心肌梗塞、閉塞性脈管炎、視網膜缺血、胃潰瘍及難愈合性傷口等多種臨床應用方面具有巨大潛力。
  8. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  9. With the wide application of carbon / phenolic composite in spacecrafts and missile hulls, the prediction of dynamic response or internal damage of structures subject to explosion, impact or the shock wave induced from the sediment of high - energy particle beam and the evaluation of capability of composite in defending stress wave, aroused the study of the constitutive relation and the characteristic of stress wave propagating

    隨著碳酚醛在航天飛行器結構及導彈殼體中日益廣泛的應用，預測結構受到爆炸作用、沖擊或由於高能粒子束在其表層大量沉積而產生的應力波所引起的動態響應及內部損傷，以及對其防護應力波的性能進行評估等，都需要對碳酚醛的本構關系以及應力波在其中的傳播特性開展研究。
  10. Conclusions for patients with strangulated destructive injury o f the upper limb, if permitted by general, options should be made according to the injury type in order to rescue the in juried limb and restore limb function

    結論上肢不同平面絞軋性毀損傷患者，只要全身情況許可，應根據各種不同傷情選用不同方法，盡力挽救傷肢並恢復一定的功能。
  11. Two numerical examples of simple component in two and three dimensions are analyzed respectively by using the formulated transition element. the calculated results show that the formulated transition element can realize the transition between elements with different mesh densities and the calculated stress has a higher precision, which suggests that the transition method using the formulated two dimensional and three dimensional transition element is feasible for the transition between different meshes of elements in the multi - scale damage modeling

    進行了相應的數值分析，應力計算結果表明：構造的過渡單元能夠實現疏密網格之間的單元過渡，應力計算性能良好，表明文中所提出的過渡單元的連接過渡方案是可行的，初步實現了結構跨尺度損傷模擬過程中所需要的疏密網格單元之間的過渡。
  12. In this paper, finite element method ( fem ) was used to study the biomechanical responses and injury mechanism of pedestrian lower extremities in traffic accidents. the fem model was used also to predict the risk of bone fracture of the lower extremities. the results from this study can forms a background knowledge to improve the safety performance of passenger car bumper system for protection of pedestrian lower extremities in traffic collisions

    為了減少行人在碰撞事故中下肢的損傷風險，本文採用有限元分析的方法，研究了行人下肢的碰撞生物力學響應和損傷機理，並模擬分析預測了下肢的骨折風險，研究結果可為改進車輛保險杠系統的安全性能提供依據。
  13. Under the complex loadings, the surface flaws of large complex structures and the original defects of materials would initiate the propagation of micro three - dimensional ( 3d ) cracks, and result in catastrophic accidents. for the limitations of the traditional theories of two - dimensional cracks, the safety of actual structures containing 3d cracks cannot be guaranteed completely without the out - of - plane stress constraint

    復雜應力作用下，宏觀復雜結構表面加工質量和材料本身固有缺陷以及外來損傷等會引起三維裂紋的萌生、擴展，最終導致災難性的破壞，而傳統二維裂紋理論在解決實際三維裂紋問題時出現不足，無法完全保障結構安全。
  14. 2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3

    根據三維編織c sic復合材料斷裂韌性的表徵問題屬于線彈性理論范疇以及材料斷裂模式是界面損傷破壞模式的實驗研究結果，提出了該材料的表徵參量應該使用與界面相關的型和型混合斷裂的能量釋放率g _ c ，或者使用復應力強度因子k _ c 。
  15. Most existing constitutive models do not take into account the interactions between different phases of pearlitic steel and cannot illustrate why such kind of materials has excerllent mechanical properties. it is, therefore, necessary to develop a new method, which can describe the macroscopic behavior, damage and failure of the materials and their micro structural dependence. in this paper, based on a non - classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained

    已有的關于珠光體鋼的本構模型多難以考慮珠光體材料的微結構及其相互作用，難以解釋珠光體材料何以具有較好的綜合力學性能，因此有必要發展一種多層次的細觀力學分析方法以研究此材料在復雜加載條件下計及微結構特徵的宏觀響應特性，使材料的強度、疲勞壽命的預測與其微結構及各組成相的損傷及微觀應力應變演化規律聯系起來，進而為材料微結構的設計提供依據。
  16. Determination method of the damage threshold stress and damage threshold strain is given, six kinds of damage variables ( which are across isotropy effectual elastic modulus damage variable, simple effectual elastic modulus damage variable, density damage variable, volume damage variable, volume density damage variable and area density damage variable ) are defined, evolution curves and evolution equations of harden yield damage are obtained

    提出了損傷應力和應變門檻值的確定方法，並定義了六種損傷變量（即橫觀各向同性有效彈性模量損傷變量，簡單有效彈性模量損傷變量，密度損傷變量，體積損傷變量，體積密度損傷變量和面積密度損傷變量） ，在此基礎上得出了硬化屈服損傷過程中的損傷演化曲線和演化方程。
  17. Tial - based alloys with high specific strength are the most potential high temperature structural materials for aerospace application. however, the application of these materials is hindered by low resistance of damage, low room - temperature ductility and fracture toughness and high crack growth rate

    Tial基合金比強度高，是最具潛力的航空、航天用高溫結構材料之一，但因其具有較低的抗損傷能力，較低的室溫塑性、斷裂韌性和高裂紋擴展速率，這些斷裂特性阻礙了這種材料的應用，因而仍有必要研究其斷裂機理。
  18. There are series experiments under different conditions. according to the strain and the deforming, a conclusion is to be drawn

    因此，對粒子分離器自身的抗外物損傷能力的分析設計應當給予足夠的關注和重視。
  19. Derived from the elements of the continuum mechanics, the applied fatigue damage mechanics theory system of material is analyzed, and the corresponding rule of cumulative fatigue damage is built up. combined with the applied theory of fatigue damage, a damage mechanics model for high cycle fatigue is deduced

    從連續性介質力學的基本原理出發，分析了材料的應用疲勞損傷力學體系，建立了相應的損傷累積規律，並結合現有的疲勞損傷應用理論，推導出一個高周疲勞損傷力學模型。
  20. Two models for dynamic damage evolution of materials in general anisotropic damage state were presented ; the first one was based on power function of the effective equivalent stress and the second on the damage strain energy release rate

    研究了工程材料在動力載荷下損傷演化的計算模型，提出了一般材料在各向異性損傷狀態下的兩種動力損傷模型。第一種以有效應力的等效值的冪函數為基礎，第二種以損傷應變能釋放率為基礎。
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