crack tip 中文意思是什麼
crack tip
解釋
裂縫尖端-
Note that these contours do not encompass the crack tip.
注意這些圍道，都不包含裂信尖端。 -
The time - related expression of stain along the crack - tip extension line was given from the use of the elastic - viscoelastic correspondence principle and standard linearity body model and the non - linear factors, which caused the gradual difference between the theoretical and actual value with the increase of time, were analyzed
應用廣義彈性?粘彈性對應原理，給出了線粘彈性體裂尖延長線應變值隨時間變化的表達式，分析導致理論與實驗情況隨時間增加產生偏差的非線性因素。 -
The study on interfacial crack - tip fields under pressure and shear
壓剪載荷作用下界面裂紋尖端場的研究 -
According to the recorded full process fracture curve, the paper calculated and compared the fracture toughness ( kic ), the fracture energy ( gf ) and crack tip opening displacement ( ctod ) of the different strength grade boulder concrete and crushed stone concrete, it is found that the maximal load ( fmax ) and the fracture toughness ( kic ) of boulder concrete and crushed stone concrete increase when the strength of them increases, so does the fracture energy of boulder concrete, but the fracture energy of crushed stone concrete does n ' t obviously increase when it ' s strength increases. the crack tip opening displacement ( ctod ) of all specimens chang less when the strength of concrete increases, so it is concluded that the location of the axle in the ligament of the specimens is relatively stable
根據記錄的全曲線，計算了不同強度等級的卵石混凝土、碎石混凝土的斷裂韌度k _ （ ic ） 、斷裂能g _ f以及裂縫的尖端開口位移ctod ，比較了不同強度等級卵石混凝土及碎石混凝土的斷裂韌度k _ （ ic ） 、斷裂能g _ f以及裂縫的尖端開口位移ctod的關系，發現卵石混凝土、碎石混凝土的荷載峰值fmax 、斷裂韌度k _ （ ic ）隨強度增加而增加，卵石混凝土的斷裂能g _ f隨強度增加而呈增加趨勢，碎石混凝土的斷裂能g _ f隨強度增加變化趨勢平直，增勢不明顯。 -
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。 -
Crack tip opening angle, ctoa
裂尖張角 -
Crack tip opening displacement, ctod
裂尖張開位移 -
Ctod ( crack tip opening displacement ) and j - integral are two important parameters in elastic - plastic fracture mechanics
Ctod （ cracktipopeningdisplacement ）和j積分是彈塑性斷裂力學研究方法中的兩個重要參數。 -
With the method of accumulation in the gray theory, a group of experiment data of crack tip opening displacement ( ctod ) at different temperatures was accumulated two times, and then the data became a smooth curve
摘要把不同溫度下的裂紋張開位移（ ctod ）試驗數據，用灰色理論中的累加方法，進行二次累加。 -
Finite element method ( fem ) is used to quantificationally simulate the current density distribution of the whole cfrc sample, and to explain the mechanism and reason for precipitations " depositing in the crack tip
利用有限元定量地模擬了整個試件的電流密度分佈狀況，闡述了沉積物在裂紋尖端的沉積狀況及其原因。 -
By using the eigenfunction expansion technique, a one - dimension finite element formulation is then developed to determine the eigensolutions to the 2d heat conduction problem at the crack tip, which discretizes the sectorial domain circumferenially
利用特徵方程展開方法，可獲得分析裂紋尖端處二維熱傳導特徵解的一維有限元列式。 -
A general consensus exists related to the influence of slow crack propagation ahead of the crack tip upon the nonlinearity observed in the typical load - deflection response of the concrete specimen, namely, concrete exhibits somewhat quasibrittle behavior, which has been verified by the inapplicability of the conventional linear elastic fracture mechanics ( lefm ) and fracture models suitable for metal - like materials
現在已經意識到，混凝土在其典型的位移曲線中呈現出的非線性特徵是由於裂縫在端部的緩慢擴展引起的，可以認為是混凝土的一種半脆性性能。這是在發現傳統的線彈性斷裂力學（ lefm ）和適合金屬類材料的斷裂模型不適用於混凝土研究時得出的結論。 -
With the adoption of the rate - sensitive constitutive relationship, it is asymptotically investigated the propagating tip fields of antiplane mode iii crack under the condition of incompressibility, and the dynamics equations are obtained separately governing the stress and strain fields at the crack - tip
採用這種率敏感型本構關系，本文對不可壓縮條件下反平面型擴展裂紋的尖端場進行了漸近分析，分別求得了其裂紋尖端應力和應變場的動力學控制方程。 -
Varieties of dynamic intensity factors in the crack - tip field, extensions of cracks going through the joint planes for different distances between hole and joint were analyzed especially under the condition that the initial cracks and joint planes had different separation angles
實驗結果分析表明，爆生裂紋穿過節理面時，裂紋尖端的動態強度因子和裂紋擴展速度顯著下降，穿過節理面后，強度因子又增強；裂紋穿過節理面時，裂紋會沿節理面偏離一段距離后沿原方向繼續擴展。 -
The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi
得出了以下結論：在8792mpa的載荷下筒體一封頭連接結構處的集中剪切帶貫穿韌帶，可能發生沿與原裂紋線成155 「角方向剪切型斷裂；筒體一封頭連接結構不可能發生韌窩型斷裂； （ 2 ）在工作壓力下進行次數不多的反復加、卸載，結構不會破壞，也不會喪失安定性：結構在工作狀態下是安全的； m在本文的彈塑性有限元模擬計算中，對于裂紋尖端進行力學分析時，不考慮壓力容器製造過程中水壓試驗的影響，將導致計算結果出現較大的偏差； （ 4 ）筒體完全屈服時的載荷為92石3mpa ，封頭完全屈服時載荷為86 -
Caustics analysis of mode dynamic crack tip in functionally gradient materials
型動態裂紋尖端的焦散線分析 -
The ground area was also checked with dye-penetrant to ensure that no crack tip remained.
打磨區也用著色滲透劑進行了檢查，以便確保無裂紋尖端留存。 -
They also noted "scattering zone" was very near to the crack tip.
它們還表明：「離散區」非常接近裂紋頂端。 -
Extensive through-thickness shear causes crack-tip necking.
大范圍的穿透厚度剪切引裂紋頂端的頸縮。 -
Local cleavage fracture might happen in the front of crack tip
純鎂斷裂時裂尖前方可能發生局部解理開裂。
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