穩態熱應力 的英文怎麼說

中文拼音 [wěntàiyīng]
穩態熱應力 英文
steady-state thermal stress
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 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...
  1. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓速度、液金屬澆注溫度、預制體預溫度和模具預溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固時,才能實現定的液-固擠壓成形過程;在變形場的模擬中,根據液浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中變場的變化規律,研究了模角對變形和金屬流動的影響及變形的變化過程和其影響因素。
  2. Both transient and steady-state thermal stress can be determined by this procedure.

    均可用這種方法測定。
  3. The combustor do n ' t fail if transient rise of temperature field is neglected, the stress field of combustor can n ' t cause gas film wall rupture. 2. combustor ' s creep and relaxation is calculated in steady temperature field, the results show that creep and relaxation is not main reason destroying combustor chamber

    溫度場下的蠕變鬆弛計算表明,高溫下的蠕變鬆弛促使火焰筒的下降,在所考慮的條件下溫度場導致火焰筒的蠕變變形不是火焰筒破壞的主要原因。
  4. Through the thermodynamic analysis for the sandstorm weather according to the simulated potential temperature, potential vorticity field, it is found that this sandstorm weather occurred in the condition of the atmospheric stratification stability, the area of the high potential temperature value and the potential temperature gradient have a good corresponding relationship with the surface cold air and cold front, so are the strength of potential vorticity and the different developing stage of sandstorm

    利用輸出的位溫、位勢渦度場,對沙塵暴天氣進行條件分析,發現本次沙塵暴天氣發生在大氣層結定狀下,位溫大值區及位溫梯度與地面暖低壓的強弱和移動有著很好的對關系,位渦的水平分佈特徵和強弱變化對沙塵暴的出現時間和落區有一定的指示意義。
  5. Firstly, this paper describes the optimization problem of thermal stress of fabrication process and steady work process for the hollow cylinder and the infinite plate. then, thermal stress distribution is calculated making use of theoretical formulation and the results can be validated by finite element method. in optimization, the restriction condition is heat insulation performance and the objective function is danger coefficient

    本文首先對平板結構和圓筒結構梯度塗層在制備過程和定工作狀下的優化設計問題進行描述,然後分別用解析法求解兩種結構的梯度塗層在制備過程和定工作狀下的分佈,並採用有限元方法驗證了分佈的結果,在優化設計時,以危險系數為目標函數,以塗層的隔性能為約束條件進行設計。
  6. According to the physical model, a mathematical model and computational method were proposed. an axially symmetric transient thermal conduction equation was put forward, which included material pyrolysis, pyrolysis gas flow and chemical reaction in charred layer. chemical reaction was controlled by chemical dynamics, and the reaction rate was computed using arrhenious equation

    針對物理模型提出了相的數學模型和數值計算方法,在材料內部建立了二維軸對稱的非控制方程,其中加入了材料解、解氣體流動以及炭化層內的化學反等因素的影響,化學反由化學動學控制,通過arrhenius公式確定其反速率。
  7. Following these two examples of two and three phases, regarding ternary and quarternary metallic melts involving eutectic as melts consisting of three and four non - homogeneuos solutions correspondingly, and using thermo - dynamic parameters of binary metallic melts involving eutectic, calculating models of mass action concentrations for ternary symmetrical melts formed from similar metastable compounds, ternary unsymmetrical melts formed from unsimilar metastable compounds and quarternary metallic melts involving eutectic have been formulated

    仿照這兩個二、三相熔體的例子,將含共晶體三、四元金屬熔體看作由3 , 4個溶液組成的非均相熔體,並利用含共晶體二元金屬熔體的有關學參數,針對由同類亞化合物組成的對稱型三元系、不同類型亞化合物組成的非對稱型三元系及四元系含共晶體金屬熔體,制定了相的作用濃度計算模型。
  8. It applies an interval method to select element in the evolutionary structure optimization method ( eso ), and recovers or deletes element by the “ birth and dead ” function of element. another method viewed as second order smoothing technique for suppressing the checkerboard patterns has been proposed based on the filtering function ’ s principle. then the above methods are applied to solve a temperature - controlling problem in the steady heat conducting field and a multi - objective topology optimization problem considering multiple load cases and coupled effect

    本文基於ansysparametricdesignlanguage ( apdl ) ,提出漸進結構法中用區間法進行單元的篩選,通過單元「生死」的功能實現單元的恢復與刪除,根據濾波函數法原理提出修改的二階棋盤格處理方法,並就傳導溫度控制問題,考慮耦合的多載荷工況的多目標拓撲優化設計問題進行求解。
  9. Presents the study on the cross - effect of heat and mass transfer of capillary porous media a. b. luikov set up on the irreversible thermodynamics principle with the theoretical solution of unsteady drying process given and its validity verified though experiments, and analyses using the mathematical model the influence of all factors on temperature and moisture distribution and the cross - effect of heat and mass transfer during drying processes

    針對雷柯夫建立在不可逆過程學原理上的傳與傳質方程組,著重研究毛細多孔介質內傳與傳質過程中的交叉效.得出了非乾燥過程的理論解,並通過實驗驗證了其正確性,利用該模型分析了乾燥過程中各因素對內部溫度場和濕度場的影響以及交叉效在乾燥過程中的作用
  10. In the paper, active control to rotor vibration with sma is studied : 1 ) the material performance of sma, especially the coupled relation of strain, stress and temperature, is studied in nonlinear coupled thermoelasticity theory and the linear result is modified ; 2 ) the nonlinear dynamic behavior of rotor system with sma bearing is studied in the nonlinear theory and the dynamic stability theory and the deference of the soft / hard nonlinear system is pointed out

    1 )運用非線性彈性耦合理論研究記憶合金材料的學性能,特別是變和溫度三者之間的耦合關系,改進了原有的線性結果。 2 )運用非線性理論和運動定性理論研究帶有記憶合金支承的轉子系統在非定常狀的非線性動學行為,指出了軟、硬非線性系統的區別。
  11. Steady state thermal analysis under natural convection boundary condition was performed. both the temperature distribution and the induced mechanical stress were calculated in this simulation. high stress area was found and the potential reasons which can cause packaging to fail were also discussed

    具體內容包括: 1 .建立一款疊層csp / bga封裝的三維實體有限元模型,求解自然對流條件下的溫度場分佈,並在此基礎上進行穩態熱應力變分析,找出由於溫度梯度在封裝內部引起的高區域,分析其可能造成的失效結果。
  12. In the paper, in accordance with the thermal power torpedo propulsion system using hap tri - component fuel, with the i - deas software, applying the cad technology and the fem, the research of simulation on the piston - one of key parts of engine was proceeded and the paper presented the whole analysis process of the piston including thermal analysis. in the paper, the question of the boundary condition in the complicated engineering was explored and the temperature field. the stress field and the deformation of the piston were computed and analyzed under a new kind of fuel ( hap )

    本文針對三組元魚雷系統,用i - deas軟體,利用cad技術和三維有限元方法( fem ) ,對發動機的關鍵零件? ?活塞展開模擬研究,對活塞進行了包括分析在內的全過程的模擬計算,探索了復雜工程中邊界條件的處理問題,分析計算了魚雷發動機活塞在新型燃料(三組元燃料)工作下的溫度場、場與變形情況,最後,根據分析結果對其結構提出了改進意見。
  13. In this thesis, in order to search the condition and reason of failure for a combustor, thermal stress was analyzed in steady and transient temperature field. according to the investigation, three conclusions are obtained

    在忽略瞬升溫過程得到的溫度場作用下,火焰筒的不足以導致裂紋萌生,所以僅進行分析不能得到合理的結論。
  14. Semiconductor devices - mechanical and climatic test methods - damp heat, steady state, highly accelerated stress test

    半導體器件.機械和氣候試驗方法.濕高加速試驗hast
  15. Semiconductor devices - mechanical and climatic test methods - part 4 : damp heat, steady state, highly accelerated stress test

    半導體器件.機械和氣候試驗方法.第4部分:濕高加速試驗
  16. Dynamic thermal stress distribution in the neighborhood of a cavity in an unsteady temperature field

    溫度場中孔附近的動集中
  17. Using stable heat transferring theory, a thermo hydraulic model has been built, which has considered the influence of the core temperature and cooling hydrogen temperature. and bring forward a modifying method, which let the model can be used in the varying winding current condition

    在此基礎上本文提出了溫度傳遞延時的修正方法,使基於的溫度水模型可以用到定子電流發生變化的情況,解決了定子電流變化時模型精度差的問題。
  18. 2. the rigorous thermodynamic model has been applied to study the characteristics of cryogenic distillation column having feedback stream with hydrogen isotope system in steady state

    2 、用嚴格的學模型研究了帶有側線循環及平衡反裝置的氫同位素低溫精餾塔的分離特性。
  19. Analysis on two - and three - dimensional thermal - field of the coupling model of piston assembly and cylinder, including steady analysis and transient thermal analysis with 2 - d and 3 - d model and the stress and the deformation under the action of thermal load

    分析中包括了二維模型的分析、瞬分析和三維耦合模型的分析、瞬分析,以及附帶的變形分析。
  20. Three - dimensional finite element model for the calculation of steady temperature field and thermal stress of the cws nozzle were established according to the structure of cws nozzle and its working conditions

    根據水煤漿噴嘴的結構和噴嘴工作情況,建立了水煤漿噴嘴三維溫度場和的有限元模型,確定了邊界條件,分析求解得到陶瓷水煤漿噴嘴的溫度場、溫度梯度和
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