最小應力 的英文怎麼說
中文拼音 [zuìxiǎoyīnglì]
最小應力
英文
minimum stress- 最 : 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
- 小 : 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 : 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...
-
Ordinary bolt connecting bolts as a permanent use, when the design requirements or questions about its quality should be carried out when the smallest lag bolts kind complex load testing and the results were consistent with national standard 《 mechanical fasteners, bolts, screws and stud 》 ( gb3098 )
普通螺栓作為永久性連接螺栓使用時,當設計有要求或對其質量有疑義時,應進行螺栓實物最小拉力載荷復驗,其結果符合國家標準《堅固件機械性能、螺栓、螺釘和螺柱》 ( gb3098 )的規定。The " catch " phase of the stroke should utilize an out - and - downward scull with minimal force
劃臂的「抓水」階段應該利用最小的力外下劃。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。The research fruits in this article can provide the temperature isoline map of crown cantilever section and central longitudinal section of the dam, the stress isoline map of crown cantilever section and upstream and downstream surfaces of the dam, the maximal and minimal stress distribution map in dam abutment along with the height of dam, the maximal and minimal stress table of typical nodes and the maximal and minimal stress table in different elevations, and also provide reference basis for taking relative temperature control measures in the design and construction of rcc arch dam
本文研究成果可給出壩體的拱冠梁剖面和壩體中心縱剖面的溫度等值線圖、拱冠梁剖面和壩體上下游面應力等值線圖、壩肩最大最小應力沿壩高的分佈曲線、不同高程處典型點的最大最小應力值表以及不同高程處最大最小應力值表等成果,為碾壓混凝土拱壩的設計和施工中採取相應的溫控措施提供了參考依據。In this paper, pro / engineer is used to creat the model of wheel which is according with gb / t3487 - 1996. then the model is submitted to ansys where it is dealed with and loaded according as the prescribe in the fatigue experiment of gb / t3487 - 1996 and is analyzed in intension. the result shows the maximal stress is much less than the breaking point of aluminium alloy, which makes material wasted
本文使用pro / engineer軟體,按照輪輞的國家標準,建構車輪的實體模型;然後把模型導入ansys ,按1997年中國汽車行業標準中的汽車輕合金車輪的性能要求和實驗方法所規定的疲勞實驗要求施加荷載;然後進行強度分析,分析結果表明,車輪的最大應力遠小於鋁合金的許用應力,存在進一步優化的可能和必要。The results proved that : ( 1 ) because of the material ' s difference of primer - 9 and primer - 5, the maximum stress of primer - 5 is larger than primer - 9 but the maximum displacement is smaller than primer - 9. ( 2 ) because of the unrenewable shape changing of primer - 9 after impacting by the pin, it will cracking under high pressure more easily. so, the paper give the suggestion that the designer should decrease the depth of impacting by pin in the case of the primer be fired successfully
對底- 9底火、底部被擊針撞擊后的第- 9底火和底- 5底火在膛壓作用下分別進行了有限元數值分析,計算表明: ( 1 )底- 5底火底部擊針撞擊部位為火帽座,其材料為鋼帶,底- 9底部承受撞擊部位為底火體,其材料為冷拉退火圓鋼,由於材料強度不同,承受壓力能力和變形能力不同:雖然在膛壓作用過程中底- 5底火的最大應力值比底- 9底火的大,但底- 5底火的最大位移量卻比底- 9底火的小得多。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。By a great number of tests indoors, the theoretic analysis of microstructure and fracture mechanics, tests on the test - road, after the analysis of road - related performances of cement - bound crushed stones base and the study for improvement, the conclusion is put forward, that applying the cement fa - bound crushed stones base can obviously minish the maximal stress of asphalt pavement, lighten and stay cracks in the asphalt pavement effectively and economically so as to improve long - term performances of the structure of pavement
通過大量室內試驗、微觀結構和斷裂力學理論分析,鋪築試驗路段現場檢測,分析水泥穩定級配碎石基層的路用結構性能,並研究其路用性能的改善措施,得出水泥粉煤灰穩定級配碎石基層可明顯減小瀝青面層的最大應力,經濟有效的減輕和延緩瀝青路面開裂,改善路面結構長期使用性能。The composer anatomizes the present compacting ratio value with the stress distribution property under vehicle load and dead weight load, then pures the smallest stress place in the embankment according to the stress distribution property, and suggests a actual compacting ratio value for embankment firstly according to internal load stress distribution curve. and questions simplified calculation methods for the settlement of embankment
通過路堤在車輛和自重的荷載作用下的應力關系,對現有壓實度標準進行剖析,依此受力特性推導出路基中最小應力發生的位置,根據高路堤內部荷載應力分佈曲線,首次提出符合路堤受力特性的壓實度標準。Using the failure criterion of maximum equivalent stress and the method of element birth and death, the space distribution features of small earthquakes ( micro cracks in rock ) before a strong earthquake are simulated
利用最高應力破裂準則、釋放破裂單元剛度生與死的方法,模擬強震前巖石的破裂和小震的空間分佈特徵。The fem results indicated that as to the rough surfaces in sliding contact, the value of the contact pressure was very high which coursed a high value of the heat flow rate, meanwhile the sliding time was not enough for the frictional heat to transfer, thus the highest value of the body temperature occurred just on the sliding surfaces, which possessed a sharp thermal gradient in direction perpendicular to the sliding surface. so the great thermal stress was caused just by the sharp gradient and the thermal elastic distortion with which the contact pressure changed occurred simultaneously, thus this change of the contact pressure would affect the temperature distribution in return
對于相對滑動的粗糙表面,因實際接觸面積小而導致接觸壓力很大,這樣使得熱流密度會很大,同時由於滑動時間很短,熱來不及傳導,最高溫度發生在摩擦表面,在垂直於摩擦面的方向有很大的溫度梯度,使得熱應力很大,且最大應力發生在表面,同時產生熱彈性變形,這種變形使得接觸區域內的壓力分佈發生變化,這種變化又反過來影響了接觸區域的溫度分佈。The results are that the maximum displacement and maximum stress occurs at initial time and the maximum stress is less than permissible stress
結果表明,結構最大應力和最大位移均發生在初始時刻,最大應力小於許用應力。Using ansys to define design variable, determine design object and restrict constraint upper limit to optimize design. we find that the maximal stress value in road wheel approaches its breaking point
接著ansys中定義設計變量(分別為輪輞和輪輻的厚度) ,確定設計目標(使車輪重量最小) ,因最大應力不超過鋁合金材料的許用應力為限,進行優化設計。Either the maximum and minimum stresses of one of these and the mean stress-are required to specify the fluctuation.
需要兩個值:最大應力和最小應力或二者之一和平均應力,以確定其起伏程度。Seek the sound cable tension to aim at minimum of maximum stress by the method of fem analysis combined with optimization. during optimization, use virtual lamina beam element to analyze the structure. the result of optimization of the cable tension of wenhui bridge shows this method is easy, effective and applicable
用虛擬層合梁單元對結構進行計算,以梁和塔的最大應力最小為優化目標,採用有限元計算同優化分析相結合的方法來確定斜拉橋的合理成橋恆載索力,文暉大橋成橋恆載索力的優化結果表明該方法簡單、高效、適用。Test method for minimum application torque of type ia child - resistant closures
Ia型防止兒童開啟的關閉器的最小應用力矩的試驗方法The results from simulation agree well with the conclusions of conference [ 21 ], and indicate that the boundary conditions have no obvious effect on the displacement and stress ; that the displacement and stress increase with linear heat expanding ratio, and those decrease with the specific heat of material ; that the displacement increases with the heat transfer ratio, but the stress does not
數值模擬表明:邊界條件對位移和應力的影響非常小;位移隨著線熱膨脹系數、熱傳導系數的增大而增大,但是隨著比熱容的增大而減小;應力的最大值隨著線熱膨脹系數的增大而增大,而隨著比熱容的增大而減小,而熱傳導系數k對應力的影響比較小。Minimum bursting test lb per sq. inch kg per sq. cm
最小應力破裂測試每平方寸磅數每平方公分公斤數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:最大應力值遠小於鋁合金車輪的強度極限,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。Primary power supply ? air or hydraulic ? available maximum and minimum pressure and source
主要動力供應-空氣或液體-可提供的最大和最小壓力和動力源。分享友人