熱應力分佈 的英文怎麼說
中文拼音 [rèyīnglìfēnbù]
熱應力分佈
英文
thermal-stress distribution-
The snam results of local stress distribution are in close agreement with the results of computer simulation
利用計算機模擬了溫度場變化引起的銅互連線中熱應力分佈。Abstract : the affects of crystal absorption for heat radiation on crystal growth, which include : the heat loss of the hot grower, the chara - cteristic of temperature - time of crystal growth, the pattern of fluid flow and the shape of interface, the interface inversion of crystal, the temperature distribution and the thermal stress distribution, are reviewed in this paper
文摘:本文綜述了晶體對熔體熱輻射吸收對晶體生長的影響,包括對熱腔熱耗散的影響;對晶體生長溫度時間特性的影響;對液流形態和固液界面形狀的影響;對晶體界面反轉的影響;對晶體中溫度分佈和應力分佈的影響。In order to search the demolishing effect pf the thermal stress on the hearth and bottom of the blast furnace, the distribution of temperature field and the thermal stress have been studied with the thermal elastic law and finite element method
摘要為了探討熱應力對不同材質構成的高爐爐缸磚襯的破壞作用,在計算溫度場的基礎上,應用熱彈性理論和有限元法對高爐爐缸進行應力分佈計算。The properties of nd : glass rod lasers in the heat capacity operation, including the temperature and stress distributions, are simulated and compared with the conventional pumping and cooling scheme
摘要對釹玻璃棒狀激光器在熱容型的運行方式下的特性,包括溫度和應力分佈作了分析,並和常規抽運和冷卻方式下棒橫截面的溫度和應力分佈作了比較。The measurement of stress can provide basis for material ' s evaluation, predict the fatigue life of the workpiece, inspect the technical effect of heat treatment and strength disposal on the surface, control cutting technics and determine the effect of stress elimination
測量材料或構件的應力分佈不僅為材料的評價提供依據,而且還可預報構件的疲勞情況,檢查熱處理及表面強度處理工藝效果,控制構件切削加工工藝,檢查消除應力的工藝效果。Analytical solutions of thermal stress distribution in plastic encapsulated integrated circuit packages
塑料封裝集成電路結構熱應力分佈的解析解The results indicate that the temperature and thermal stress distribution in disk are related with the medium geometry and the special distribution of pump intensity
結果表明:激光介質中的溫度分佈和熱應力分佈與抽運光斑及介質的幾何形狀密切相關。The transient temperature and thermal stress distribution in disk of heat capacity laser pumped by high power lda are simulated by use of finite element methods, optical distortions and birefringence were computed subsequently
摘要利用有限元數值方法,模擬計算了熱容模式下片狀激光介質的瞬態溫度分佈和熱應力分佈及其波前畸變和應力雙折射。Based on a 3 - d transient thermal model with inhomogeneous heat generation, the temperature and thermal stress distribution in the disk of heat capacity laser pumped by high power laser diode array ( lda ) are simulated and analyzed by means of finite element methods
摘要為了研究激光介質熱畸變對固體熱容激光器的影響,數值計算了高功率激光二極體陣列抽運片狀激光介質的瞬態溫度場和熱應力分佈。The results indicate that for the same pump intensity, the temperature and thermal stress distribution in the disk are not only related with the medium ' s geometry and the special distribution of pump intensity but also related with the fill factor of pump area
結果表明,在相同的抽運功率密度下,激光介質中的溫度分佈和熱應力分佈不僅與激光介質幾何構型及抽運光空間分佈有關,還與抽運光斑在介質表面的填充因子密切相關。Because there are many kinds of matrixes in titanium matrix composite, we select some typical ones as investigated subject in many titanium alloys or titanium aluminide intermetallics, and then simulate the distribution of thermal residual stresses under the appropriate composites fabrication and heat treatment parameter. we not only hope to seek better titanium matrix, but also discover the relationship between the material properties and the thermal residual stresses, and then provide some theoretical guidance for the selection of the matrix in titanium matrix composites
鑒于當前鈦基復合材料中鈦基體的多樣性,我們將在各種類型的鈦合金和鈦鋁金屬間化合物中,挑選出較為典型的作為研究對象,利用本文得到的較為理想的復合材料加工和熱處理工藝參數,逐一模擬它們的殘余熱應力,找到殘余熱應力分佈較為理想的鈦基體,並且,希望能夠尋找到材料性能與熱殘余應力的相互關系,為鈦基復合材料基體的選擇提供一定的理論指導。This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects , definite their boundary conditions , solute their temperature fields , and then analyst their bear expansions and distortions as well as thermal stress distribute , to control the courses , and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine
本文對汽輪機轉子和汽缸的二維模型的進行分析,建立有限元模型;將汽輪機轉子和汽缸作為控制對象,確定其邊界條件,求解其溫度場,分析其熱膨脹、熱變形以及熱應力分佈;採用c + +語言編制汽輪機高壓缸、中壓缸以及缸體的溫度場實時在線監測程序,作為汽輪機壽命在線監測與管理系統的核心部分,用以指導汽輪機的啟停及運行過程,使機組可以安全的、經濟的運行。Being based on actual multi - chips module packaging structure a three dimensional thermal analysis model is built, thermal analysis on multi - chips module is conducted using diamond substrate and thermal interfacial materials ; a two dimensional and three dimensional chip - adhesive ? substrate thermal stress model are built, and interfacial thermal stress distributions are computed based on different area ratios and thickness ratios of substrate to chip
本文根據實際的多晶元組件的封裝結構,建立了三維溫度場分析模型,分析了金剛石作為導熱層和基板對多晶元組件散熱性能的改善;建立了二維和三維的晶元-粘結層-基板熱力學模型,分析了不同的基板/晶元厚度比和面積比對層間熱應力分佈的影響。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穩定工作狀態下的熱應力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穩定工作狀態下的熱應力分佈,並採用有限元方法驗證了熱應力分佈的結果,在優化設計時,以危險系數為目標函數,以塗層的隔熱性能為約束條件進行設計。Abstract : this paper points out that the properties of casting t reated by vibrating ageing is superior in comparing with that in the as ca st state and heat ageing state through analyzing the residual tress distri buting, mechanical properties and resistance to deformation
文摘:對鑄件的鑄態、熱時效態和振動時效態在內應力分佈,力學性能及抗變形能力方面的特性進行分析對比,發現振動時效態均優於前2者。The influence of different structural parameters ( diameter and shape of cooling water pipes, distance between cooling water pipes, thickness of stave and cast in bricks ) on the steady state highest temperature and thermal stress of cooling stave was numerically simulated and analyzed by engineering software ansys
摘要採用有限元分析軟體ansys計算並分析了不同結構參數(冷卻水管形狀和直徑、冷卻水管間距、冷卻壁鑲磚厚度及冷卻壁壁體厚度)對冷卻壁最高溫度及熱應力分佈的影響。Present the experimental research carried out on strain and stress by applying the resistance strain surveying technique to the big hole sealed heads in the new fire - tube heating boilers with the laws of strain and stress distribution obtained and allowable working pressure given because there is no applicable standards or specification for calculating the strength of crude oil heating boiler heads perforated by densely distributed big - holes, which, to a certain extent, hampered the further development of crude oil heating boilers in china, and concludes from experimental results that strain and the stress of circumference are fairly large near the edge of big - hole, and the cross ribs enhance strength of sealed head to a certain degree
油田火筒加熱爐密集大開孔封頭的設計計算,因沒有相應的強度計算標準在一定程度上限制了我國油田火筒加熱爐技術的發展.採用電阻應變測量技術,對新型火筒加熱爐大開孔封頭進行了應力應變試驗研究,得到了封頭的應變和應力分佈規律,給出了大開孔封頭允許的工作壓力.試驗結果表明,大孔邊緣圓周處應力應變較大,十字筋板對封頭有一定加強作用If low residual stress and better residual stress distribution map are expected, adhesives with low cte is preferred, which could be a criteria to select organic adhesives
使用熱膨脹系數較小的有機粘合劑粘貼晶元時,可獲得較低的殘余應力和相對優越的應力分佈。該規律可以作為選擇有機粘合劑時的參照。Abstract : based on the study of the stave " breakage mechanism, the maximum thermal stresses are the temperture field and thermal stress of the stave are calculated and studied with developed finite element program. the maximum thermal stresses are compared between ht stave and qt stave, and some improving suggestions for cooling stave design are brought forward
文摘:在解剖研究取得的對高爐冷卻壁破損機理認識的基礎上,使用開發的有限元程序計算並研究了高爐冷卻壁工作狀態下的溫度場和熱應力分佈,對灰口鑄鐵和球墨鑄鐵兩種冷卻壁材質的最大熱應力進行了分析和比較.據此提出了冷卻壁設計的一些改進性建議Finally, this paper calculates the residual stresses distribution of multilayered graded coating structures with the theoretical model built in the paper and the elastic model, and it discusses the influences of material ' s plasticity to the thermal stresses of the graded coating
最後,本文分別用在文中建立的理論模型和完全彈性模型對多層梯度塗層結構的殘余應力分佈進行了計算,討論了材料的塑性行為對梯度塗層熱應力的影響。分享友人