crack stress 中文意思是什麼
crack stress
解釋
裂縫應力-
Subcritical crack growth and influence of biaxial stress in brittle materials
脆性材料的亞臨界裂紋擴展和雙向應力的影響 -
By means of bending tests of three - point and four - point, complex fracture experiments were made for cast iron material with crack. the stress intensity factor and breaking direction angle of cast iron material were measured and compared with theoretical values. based on the research some useful conclusions are given for engineering design and application
通過3點彎曲和4點彎曲實驗方法，對含有裂紋的鑄鐵材料進行復合型斷裂實驗研究，測試鑄鐵材料的應力強度因子、斷裂方向角，將實驗結果與理論值進行分析、比較，找出兩者之間的異同點，得到一些對工程設計及應用具有實際意義的結論。 -
It can give vector of stress, and break factor and direction vector of tensive crack and shearing crack in the special observation planes ( for examples, in a stratal surface which is fluctuant in depth )
軟體可視化包括：空間應力矢量（大小和方向） 、裂縫性態（張裂縫和剪裂縫發育程度及其方向矢量）在特定觀察面（如沿起伏的地層面）上的展示。 -
Most of the dynamic process data in the solid material, such as the dissemination of stress waves, the fold of stress waves, and the interaction of crack and stress waves can be acquired directly by the dynamic photoelasticity experiment
動光彈實驗能直接獲得固體介質中應力波的傳播、疊加以及裂紋與應力波相互作用的動態過程，可真實反映爆炸過程的信息與規律。 -
Based on the aircraft structure fatigue theory, the article discussed the theoretical basis of methods that are usually used for aircraft structure fatigue crack - forming life estimation, i. e. the stress severity factor approach ( normal stress approach ), the local stress & strain approach, detail fatigue rating approach ( dfr ). also the processes of life estimation of these approaches are studied in the article
文章在簡要介紹飛機結構疲勞強度理論的基礎上，對目前飛機結構勞疲勞裂紋形成壽命估算常用的應力嚴重系數法（名義應力法） ，局部應力應變法，細節疲勞額定值dfr法的理論依據作了較詳細的論述，同時對這些估算方法進行壽命估算的過程與步驟也作了詳盡的闡述。 -
The occurrence of high shear stress at the fibre end is a factor which is expected to lead to crack generation.
在纖維端部存在高切變應力視為導致產生裂縫的因素。 -
Many studies in the related area of stress corrosion or subcritical crack growth use simplified test systems.
許多有關應力腐蝕或亞臨界裂紋發展領域的研究使用了簡化的試驗系統。 -
Both of these statements are based on the tacit assumption that the applied stress does not change during the crack growth process.
這些結論都建立在理想的假設上，即實用應用力在裂紋擴展過程中不變。 -
Perhaps the simplest illustration of the role of stress waves in dynamic crack propagation and crack arrest is given by the one-dimensional analysis of the double torsion specimen.
也許最簡單地說明在動態裂紋擴展和止裂中應力波的規律是由雙扭（DT）試件的一維分析給出的。 -
This thesis investigated and researched on non - loaded crack, especially those caused by thermal - shrink, and analyzed the thermal - shrink stress of beam, slab and continuous - wall, found that according data of civil and overseas offered thermal - shrink calculating formula without considering effect of factors, such as the cement quantity, using of aruhuesiru, aggregate size and quantity of sand, which made the result data smaller. in addition, there are not enough construct measure in code
本文對非荷載裂縫，特別是溫度?收縮裂縫進行了調查研究，並對兩端或四周約束的梁、板和底部約束的地下連續墻進行了收縮應力分析，發現國內外有關文獻給出的收縮計算公式沒有考慮泵送商品混凝土的水泥用量、外加劑使用、骨料粒徑和砂用量等因素的影響，計算出的混凝土收縮量往往偏小；另外， 《規范》中針對溫度?收縮裂縫的構造措施不足。 -
In the dam foundation restraint area, mgo can be mixed into concrete to prevent dam longitudinal crack. research on autogenous volume change of rcc mixed with mgo, and research on thermal stress compensation of darn foundation prove that rcc mixed with mgo plays a role in dam crack control
在材料措施方面，深入研究高碾壓混凝土壩基礎約束區採用外摻mgo措施，利用其微膨脹性能補償壩體降溫過程中產生的溫度應力，以防止大壩縱向裂縫的發生。 -
The temperature cracks are calculated by use of a crack band model, and the stress and cracking of the concrete wall are computed by using the half - analytical iteration method
採用裂縫帶模型計算溫度裂縫，用半解析迭代法進行了混凝土墻的溫度應力和開裂計算。 -
The work done in this paper is mainly as follows : ( 1 ) the wide beam should intrude to the wall at some length to make the flexural stress uniform along beam section width, thus make full use of the beam ' s bearing capacity and avoid the shear failure in the concrete joint. and it also prevents stress focus and concrete crack in the local shear wall
關于寬梁與薄墻肢節點，可以得出以下幾點初步結論：寬梁應該深入墻肢一定的深度，以使寬梁截面的彎曲應力沿著梁截面寬度分佈均勻，充分發揮寬梁的抗彎能力，同時避免節點區混凝土的剪切失效，也避免剪力墻的局部因為受到的應力過大而拉裂。 -
This paper, based on the finite element method ( fem ) and utilizing two different means, analyzes the stress and strain field distribution of central through crack tip on a finite flat plate, and calculates the stress intensity factor of the crack tip
摘要基於有限元分析方法，對有限大平板中存在的中心穿透裂紋，分別用不同的方法分析其裂紋尖端應力、應變場分佈，計算出裂紋尖端的應力強度因子。 -
3. studying on prediction methods of the initiation life of aero - gear using shakedown analysis methods in order to directly consider in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations, fatigue crack initiation life was evaluated in aero - gear by using th
利用chaboche的材料模型，研究了航空齒輪韌性材料在彈、塑性安定下的輪齒接觸疲勞裂紋萌生準則，該研究結果與相關的齒輪實驗結果比較分析表明：塑性安定下的疲勞裂紋萌生預測方法預測航空齒輪的萌生壽命是較安全的。 -
The main research is below : ( 1 ) the influence to intensity and rigid with corner angle ( 60, 75 and 90 degree ) of crack and the board axes ( 2 ) do a fem stress / strain and crack growth simulation analysis when the corner angle of crack and the board axes is 60 degree ( 3 ) do a intensity resume analysis for the structure which is repaired with a titanium patch in a mechanical way when the corner angle of crack and the board axes is 60 degree through simulation analysis for three failure criterion, we have : ( 1 ) in 60, damage extend quickly with damage analysis in hashin criterion ; it is slower for analysis in maximum stress or hashin - rotem criterion. ( 2 ) in special term ( physical condition incision, shape or maximum load ) the compression strength of the stiffened plate will decline 45 % ~ 50 % under compression loads
通過採用三個不同損傷判據的數值模擬模擬，得到如下結論： （ 1 ）在60時，用hashin判據進行的損傷分析，損傷擴展較快；最大應力及hashin - rotem判據進行的損傷分析，損傷擴展基本相當，且較慢； （ 2 ）在所給加筋板的物理條件、切口大小及形狀、最大載荷等一定的條件下，該加筋板在壓縮載荷作用下，其壓縮強度下降了45 50 ； （ 3 ）在本文提及到的機械連接修理方法以及載荷條件下，修理后的結構強度恢復能夠滿足戰時要求。 -
Ncls standard test method for notched, constant ligament - stress test to determine slow - crack - growth resistance of hdpe resins or hdpe corrugated pipe
測定hdpe樹脂或hdpe波紋管抗慢性裂紋增長的凹口恆定帶狀應力 -
Not a timely manner to facilitate the dissolution of auto parts fault detection, vulnerability directly on the surface of metal parts nondestructive testing of the fatigue crack, stress corrosion, crack, crack, etc. folded through " sound ", " light " emergency instructions crack site to the maintenance staff promptly eliminate hidden dangers and guarantee the exercise of automotive safety
及時方便不解體檢測汽車部件故障，直接對易損金屬部件表面進行無損檢測，對出現的疲勞裂紋，應力腐蝕、裂紋、折疊裂紋等、通過「聲」 、 「光」報警指示裂紋的部位，以使維修人員及時排除隱患，保證汽車安全行使。 -
The crack stress distribution of the artificial short slit along river flow direction shows regularity and exists in a limited crack area
壩體表面人工短縫的開裂應力在順河向的分佈具有一定的規律性，且存在一個極限開裂?圍。 -
Based on these results, discussed the method of calculating the crack stress intensity factor by using fracture mechanics
在此基礎上，詳細討論了使用有限元方法計算裂縫應力強度因子的方法。
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