熱應力場 的英文怎麼說

中文拼音 [yīngchǎng]
熱應力場 英文
thermal-stress field
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  1. Finite element method was used for the calculation of temperature field, temperature gradient and thermal stress of the coal water slurry ( cws ) ceramic nozzle

    摘要採用有限元法對陶瓷水煤漿噴嘴溫度、溫度梯度及其進行了分析計算。
  2. The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering

    模擬結果表明,掃描端點溫度的不對稱及較大的溫度梯度造成了端點球化現象,並在端點處產生較大的,使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著,燒結時避免過短的掃描線;不同掃描策略對燒結成形有很大影響,交替掃描會影響燒結試樣的質量,實際製造時採用單向掃描策略。
  3. 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變化引起的銅互連線中分佈。
  4. The temperature effect which has been calculated is taken as " thermal load " forced on the body, then such thermal stress is settled as general elasticity mechanics question ; secondly, the thermal stress is taken as " surface force " forced on the body, and the new system stiffness is formed which include the extra stiffness matrix, then it changes the nature frequency of the structure

    首先,這篇論文介紹溫度熱應力場的有限元方法,建立了三維傳導模型計算有溫度產生的,計算時運用了一種轉化思維:將溫度處理為「溫度載荷」 ,這樣就能用彈性學問題的處理方法來求解。其次,將作為結構的「面內」 ,而面內產生附加的幾何剛度矩陣,改變了結構的剛度,影響了結構的固有頻率。
  5. This paper places emphasis on the reheater pipes " basement and wye pipe, which are studied through onsite experience and numerical calculating method. onsite pipes " temperature has been measured by high precise thermocouple

    據分析這是由於引起的,為此本文對再器集汽箱向空排汽管管座及三通管座的溫度進行了實驗和數值計算分析研究。
  6. In the program, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress are considered. and such temperature control measurement as water pipe cooling, heat preservation of the dam surface, the pouring temperature control, the overflow across the dam top during flood season can also be simulated by numerical method

    該程序在編制過程中考慮了混凝土分層澆築、施工間歇、彈模變化、絕溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度及溫度的影響,同時也考慮了水管冷卻、壩體表面保溫、控制澆築溫度、施工汛期壩頂面過水等各種溫控措施的數值模擬。
  7. In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered

    論文根據傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度、徐變進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度、徐變的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度的影響。
  8. In computation the effect of thermal insulation, elastic modulus, creep degree and autogenous volume change along with age, the progress of pouring by layer, work suspension in summer, the change of air temperature, heat preservation, water cooling, and water storage, by stages on temperature field are considered

    計算中考慮了混凝土的絕溫升、彈性模量、徐變度和自生體積變形隨齡期的變化以及分層澆築、夏季停工、外界氣溫變化、表面保溫、通水冷卻及分期蓄水等因素對壩體溫度的影響。
  9. This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action

    考慮了乞今最為全面的初始條件和邊界條件,包括模擬壩體的實際升程過程,考慮了新老混凝土接觸面上的初始溫度不連續,逐日的氣溫變化,混凝土的入倉溫度,水化溫升,邊界保溫,水庫蓄水過程,澆築間歇以及灑水養生等因素;的計算考慮了混凝土的自重,靜水壓,溫度,常態混凝土與碾壓混凝土不同的自生體積變形,混凝土的彈性模量隨齡期的變化以及徐變的作用。
  10. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前中國散裂中子源( chinaspallationneutronsource , csns )工程概念設計的迫切需要,選擇國際上廣泛使用的基於蒙特?卡羅方法,用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具,首次對csns靶站進行了全面的模擬與優化,內容包括靶、反射體與慢化器系統的中子通量分佈以及量沉積,同時計算了靶的溫度分佈。
  11. Based on the temperature field obtained by the thermal analysis, a parametric analysis is conducted to investigate the interlaminar stress at the interface between the composite and the thermal barrier in the cross - section of the inlet duct, using the commercial finite element software ansys

    分析的基礎上,採用ansys有限元軟體計算了復合材料進氣道截面在假設工況下的,為碳纖維纏繞復合材料進氣道防護方案的設計提供了實用的參考依據。
  12. The study to temperature field and thermal stress in the barrel

    槍管溫度的研究
  13. Firstly, a finite element approach combining the temperature parametric method with real fictitious elements scheme was proposed for simulating the winding tension process ; secondly, in accordance with the cure kinetic and heat transfer theory, a corresponding finite element method was employed to calculate the distributions of temperature, cure degree and thermal stress fields during the cure process

    根據固化反學理論和傳導理論,對具有金屬內襯的復合材料纖維纏繞壓容器在固化工藝過程中瞬態溫度、固化度和熱應力場分佈及其變化規律進行了數值分析。
  14. Numerical simulation of heat field of inner combustion engine casting solidification

    基於有限差分法的鑄件凝固過程熱應力場數值模擬的研究
  15. Numerical simulation of temperature and thermal stress field of wagon wheel under omnidistance braking in daqin line

    大秦線全程制動條件下貨車車輪溫度及熱應力場的數值模擬
  16. At the same time, the computing program is written by vc + +. in the program quadrilateral isoparametric element is used to calculate its temperature field and thermal stress field

    選取四邊形等參元來計算軸對稱問題中的溫度熱應力場,用vc + +編制計算程序。
  17. At the same time, the depth of die heat affected zone ( haz ) transfer law and influential mechanism of temperature wave have been analyzed, which lay a foundation for further research of temperature field and thermal stress filed of die

    同時分析了溫度波在模具中的傳遞規律,影響區范圍與影響機理,為進一步開展鍛模溫度熱應力場的研究提供了基礎。
  18. Abstract : based on the operation data, the cold start - up and warm start - up curves of a czecho 200 mw steam turbine are worked out according to the operation rules ; the fem calculating models of the temperature field and stress field of the high pressure rotor are established, and the suitable boundary conditions are given ; the temperature field and stress field of the high pressure rotor are calculated and analysized during these two working situation

    文摘:在現實測數據的基礎上,根據運行規程擬定捷制200mw機組的冷態啟動和溫態啟動曲線;建立高壓轉子溫度有限元計算模型,確定相的邊界條件;計算分析在這兩種工況下高壓轉子的溫度熱應力場
  19. Presents the investigation of the heat conduction behavior, internal thermal stress field of specimen under thermal shock and microscopic damage and failure of the tungsten based composites by combination of macroscopic and microscopic analyses and integration of material science and mechanics ; describes a microscopic mechanical model based on the microstructure of components with macroscopic stress applied to the microscopic model as that of maximum principal stress at the center, and the fringe of the specimen, and the microscopic stress fields obtained through calculation by the finite element method, and concludes from test results that the maximum principal stress is first generated inside the test coupon, and a failure will be first initiated in the inclusion if the material fails at this time ; the maximum principal stress moves to the edge of the test coupon after the test coupon is heated for a period of time, and the failure will first be initiated in the base if the material fails at this time

    從材料設計的思想出發,採用宏觀與微觀、材料科學與學相結合的方法,對鎢基復合材料的傳導行為、材料在沖擊載荷下的內部熱應力場及材料細觀結構的破壞行為進行了詳細的理論研究.根據鎢基復合材料的細觀組織結構建立了材料細觀模型.在宏觀分析的基礎上,分析了材料微結構內部的破壞行為.分別取試件心部與邊緣主值最大點的狀態,施加在所建立的模型上,用有限元方法計算了模型內部的彈性.結果表明:試件主最大值首先產生在試件內部,此時,如果材料發生破壞將先從夾雜中開始;加一段時間后試件中的最大主值轉移到試件邊緣,此時材料發生破壞將先從基體中開始
  20. Meanwhile the 0 dimension 1 dimension plane wall 2 dimension models are established. using the mathematic and ansys software the numerical and soluble analyses can be got for the thermal shock model of the piston. compare the simulation results to the test results the temperature field and stress field can be got which are quite close the thermal shock situation

    同時建立活塞沖擊的集總參數、 1維平壁和2維模型,用mathematic軟體和ansys軟體,對所建立的活塞沖擊模型進行了解析和數值分析,利用模擬計算與試驗結果相結合的方法,獲得接近於內燃機活塞沖擊的溫度熱應力場分佈,從而更加全面深入地了解在沖擊條件下活塞的溫度變化規律。
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