計算應力 的英文怎麼說
中文拼音 [jìsuànyīnglì]
計算應力
英文
computed stress- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 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...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。( 2 ) calculation of the combustion parameters the combustion parameters of hmx, rdx, hns - i and b / kno _ ( 3 ) were calculated with vlwr code. the thermodynamic function of boron oxide was fitted by method of the least square to janaf thermo - chemical table, and their coefficients were determined
( 2 )炸藥及點火藥燃燒性能參數計算應用熱力學程序vlwr計算hmx 、 rdx 、 hns -及點火藥b kno _ 3的燃燒性能參數及燃燒平衡產物組成,得到了與密閉爆發器實驗相近的燃燒性能參數。The study work includes three parts. in the first part, numerical methodology of three - dimensional discrete fracture network ( dnf ) model casing on hybrid bem - channel was presented, and the technique for improve the model ' s computing efficiency was also studied
首先,提出了一種基於混合邊界元?管流的改進的三維離散裂隙網路模型,並研究了提高模型計算能力的方法,使其可以具有更好的工程應用性。The simulations of the blank forming process is always a very pop question in the domain of plasticity forming. it has very important significance as to making certain the figure of the blank roughcast calculating strain and stress, establishing reasonable forming craft and designing mold
板料成形過程模擬一直是塑性成形領域研究的熱點問題,對于確定板料毛坯形狀、計算應力、應變分佈、制訂合理的成形工藝和模具設計有重要的意義。The main studies are as follows : ( 1 ) the hamiltonian mechanics and equations are deduced from the lagrange mechanics. the symplectic quality of the hamiltonian system is discussed. the formulations of the symplectic integrator method are constructed, especially the explicit symplectic schemes for the separable hamiltonian system and the symplectic partitioned runge - kutta ( prk ) method for the generic hamiltonian system
本文對該方法進行了初步的研究和計算應用,具體展開了以下幾方面的工作: ( 1 )從lagrange力學出發引入hamilton力學和hamilton正則方程的概念,討論了hamilton系統的辛性質,給出了構造辛演算法的基本原理,並重點介紹了線性可分hamilton系統的顯式辛格式和一般hamilton系統的辛prk方法。Although the jit ( just - in - time ) compilation technology helps java technology succeed on the desktop computer and server platform, the mobile phones with weak computing capabilities, extremely restricted memory and power supply make it much difficult to be used on the embedded java virtual machine
雖然即時編譯技術幫助java在桌面機和服務器平臺上取得了巨大的成功,但是由於移動通信設備自身計算能力相對較弱、存儲容量和電力供應十分有限,使得即時編譯技術無法直接應用到嵌入式java虛擬機中。Analysis of calculated stress of buried gas pipelines
地下燃氣管道計算應力的分析And in combination with cable replacement engineering of sichuan qianwei bridge, based on the bridge elevation and cable forces measured before cable replacement started, using finite element software bsas developed by southwest jiaotong university build analysis modeling, by means of cable forces adjustment and so on to make the cable forces of modeling approach the cable forces measured before cable replacement started, according to the scheme of primary design, aimed at cable replacement process, simulation analysis is done and get the calculated results
然後以四川犍為岷江大橋換索工程為背景,以換索前實測的索力和線形為換索設計基準,應用西南交通大學開發的橋梁結構分析軟體bsas建立換索分析模型,通過調索等技術手段使模型索力與換索前實測索力逼近,以此為換索的出發點,按原換索設計的方案與工序,對換索進行全過程分析,得到換索完工後的計算索力和線形。Electricity power system computer simulation the computing include the current computing, simple fault computing, complicated fault computing, quiescent stabilization the computing and development stabilization the computing etc. because the computing software of electricity power system are all the earlier words software, it is very difficulty for studying and isn " t easily for using and ca n ' t draw the graphics of the electricity power system ect
對電力系統的運行狀態進行分析需要進行大量的計算,電力系統計算機模擬計算主要包括潮流計算、簡單故障計算、復雜故障計算、靜態穩定計算和動態穩定計算等計算。本文針對當前電力系統計算軟體大多都是早期的字元界面的軟體,學習難度大,不易使用,以及不具備電力系統圖形繪制等弊病,對microsoft公司的visualc + + 6 . 0及其所提供的microsoft基礎類庫( mfc )展開了理論與應用的研究工作。The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment
計算中通量項採用ausm +通量分裂格式,氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型,碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型,得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數,其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。The optimization of water networks must meet the hydraulic constrains. so it is necessary to combine the optimization of water networks with the hydraulic analysis, and the performance of hydraulic analysis affects the optimization of water networks directly
城市給水管網優化必須滿足各種水力約束條件,故在應用遺傳演算法對城市給水管網進行優化的過程中必須結合管網的水力計算,水力計算結果的好壞直接影響到優化結果的好壞。Calculation of stress intensity factors by boundary element method based on erdogan fundamental solutions
基本解邊界元法計算應力強度因子The fatigue strength of bottom chord node board, which is sensitivity to fatigue, is calculated by fem method
在此基礎上,確定了節點板疲勞計算應力。之後,對鋼吊車橋架的下弦節點板進行了疲勞強度驗算。By comparing the analysis result with the theoretical result, it has proved that fem is considerably accurate and easier to use in the calculation of stress intensity factor
通過對求得的應力強度因子值與解析解的比較,表明用有限元方法計算應力強度因子具有相當高的精度,並且操作簡便。From the conclusion, we can know the results can give a same judgment of ship structure safety, adding end shear force can little increase the stress and multi linear adding may make the result worse
這些結論基本概括為:按照各船級社的方法計算,對船體結構的安全性進行評估可以得到相同的判斷;對模型局部仍需要進行詳細的局部計算;施加端面剪力會略增大計算應力結果; dnv 、 lr多次計算進行疊加。The stress of radius position of the part is analyzed based material mechanics, moreover, a new method calculating the stress concentration factor is deduced, the calculating method is not only more concise and convenient than that of elastic mechanics, but also the calculating result is agreeable to practical results
文中通過對構件圓角處應力的分析,應用材料力學方法,推導出一種計算應力集中系數的方法,比彈性力學方法簡便,並與實際相符。( 4 ) because calculation of stress intensity factors using the finite element method of the linear elastic fracture mechanics cannot satisfy the need for the real - time monitoring and the real - time analysis of cracks in concrete dams, a four - layer neural network optimized by genetic algorithm and chaos optimization algorithm is proposed. the example shows that the optimized neural network can yield good results
( 4 )用斷裂力學有限元計算應力強度因子不能滿足對混凝土壩裂縫實時監測、實時分析中的要求,提出了利用遺傳演算法和混沌優化演算法改進的四層神經網路的解決方法,實例分析表明,本文提出的四層優化神經網路計算的應力強度因子接近於用斷裂力學有限元計算的應力強度因子。This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element. in the calculation of stress sensitivity, the modules required to cut the stiffness matrix of node coordinates few. in order to simplify calculation and make program conveniently, this thesis uses half - parser method
在空間剛架結構的形狀優化設計中,關鍵的一項工作就是計算應力靈敏度,在計算應力對剛架結構形狀優化的設計變量? ?結點坐標的靈敏度時,需用到單元剛度矩陣對結點坐標的導數。The security and dependability of the extra long bridge structure have become the general concern question of the society in these days. because of the influence of the prestressed loss, the real stress does n ' t coincide with the designed stress, that is to say, the calculated stress does n ' t display the condition of the real structure stress properly, and thereby the undiscovered danger leads to the quality of the engineering construction
特大型橋梁的結構安全可靠性已成為當今社會普遍關注的問題。對大跨度預應力混凝土橋梁而言,由於預應力損失的影響,結構的實際應力與設計應力很難完全吻合,即計算應力不能很好地反映結構的實際應力狀態,從而留下安全隱患,嚴重影響了工程建設質量。This dissertation performes an advanced analysis of oil geology, analysis of the history of geostress field in oil field, measuring of tectonic stress, tests of rock mechanics parameters, 3 - d fem ( finite element method ) numerical simulation for the field of geostress, numerical calculation for three dimensional fracture, analysis of relationship between geostress field and migration of oil and gas, analysis of relationship between fracture and migration of oil and gas, etc. and some great breakthrough has been done
本論文研究「三維應力場、裂縫及其與油氣移聚關系」 ,完成了深入細致的石油地質分析、構造應力場歷史分析、地應力測量、巖石力學實驗測試、三維應力場有限元法數值模擬、三維裂縫數值計算、應力場與油氣運移、裂縫與油氣運移綜合研究工作,在基礎理論探討、技術方法創新、軟體編制及綜合應用等方面,均有較大的突破。分享友人