過應力 的英文怎麼說
中文拼音 [guòyīnglì]
過應力
英文
overstressing-
The investigation of the effect of temperature field, stress field and the adscititious physical field on the sls can lead to the systematical analysis and elimination of the disfigurements existed in the metal parts prepared by sls
通過研究激光燒結的溫度場、應力場以及研究外加物理場對激光燒結的影響，可以系統分析和解決激光燒結金屬零件存在的缺陷。Under kinds of conditions, these stresses, strains and their development of concrete, steel, and angle iron were shown. during the whole process, the rate of sharing the loading for the angle iron was also indicated
給出了各種情況下混凝土、鋼筋和角鋼的應力應變值及其發展變化情況；給出了各種情況下，角鋼在加固過程中承擔荷載的比率。With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving
在此分析過程中：首先將物理模型簡化為力學模型，主要是將塔架結構按空間桿單元簡化為空間桁架結構，目的是將力學模型變換為數學模型；這一過程主要是利用autocad2000建立塔架的計算模型；再者，利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算，再將計算結論整合入algorfeas產生的初始數據卡中，生成計算數據卡；接著，利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖，位移圖，並且求出在不同載荷條件下的最大位移和最大應力等；然後，對塔架的穩定性進行分析；最後；根據計算結果提出改進建議。The diffusion welding behavior of single - crystalline cu to single - crystalline - aio with a nb film interlayer and the joint microstructure properties were studied by tem, sem / eds analyses and four - point bend testing. the nb film interlayer deposited by electron beam evaporation on the ceramic side prior to diffusion welding was found to be olycrytalline and fiber - textured after diffusion bonding, with the close - packed plane ( 110 ) being parallel to the ( 0001 ) basal plane of - aio
擴散連接技術是一門邊緣科學，涉及材料、擴散、相變、界面反應、接頭應力應變等各種行為，工藝參數多，雖然已經進行了大量的試驗研究，但卻對各種材料的連接機理尚未有明確的認識，為此人們試圖藉助于計算技術，對接頭行為進行數值模擬，以便找到共同規律，對擴散連接過程及質量進行預測與實時控制。Based on the simulation model theory of temperature and stress fields presented in this article, a large simulating program for high rccd has been developed, which can numerically simulate all kinds of temperature control measures, including water pipe cooling, heat insulating in winter, reducing place temperature of concrete, spraying water brume, and long interval over - watering surfaces overflowing in flood season.
基於本文提出的溫度場和徐變應力場模擬模型理論，編制了高碾壓混凝土壩的三維有限元模擬計算程序，在程序中考慮了各種溫控措施的數值模擬，包括：水管冷卻、冬季保溫、降低混凝土的澆築溫度、夏季混凝土表面噴水霧、施工汛期壩頂面過水等。Suitable calibrated dynamometers were used to control the pull in the prestressing cables.
用合適的標定過的量測計控制預應力鋼索的拉力。Tensile tests of carbon filament yarn shows at high strain rate that the mechanical behavior of carbon fiber bundles are insensitive to strain rate, i. e., the failure stress strain and elastic modulus are not increased with the rising of strain - rate. however, the fractograph of carbon fiber is rate - dependent. the fractograph of carbon will become smooth from coarse as the strain rate increases
通過對碳纖維束的沖擊拉伸試驗表明，雖然碳纖維束的力學性能與應變率基本上是不相關的，即隨著應變率的增大，碳纖維束的初始模量、破壞應力及其失效應變都變化不大，但碳纖維束的破壞斷口與沖擊拉伸實驗的應變率密切相關。The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented
本文首先對國內外的研究現狀作了回顧和總結，然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究，主要內容有： （ 1 ）將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體，研究它的應力應變關系，充分考慮它的各向異性，得到土工織物加筋粉煤灰復合體的本構模型，然後通過大量室內試驗進行分析驗證； （ 2 ）引入有關滲流理論，即柯茲尼-卡爾曼（ kozeny - carman ）經驗公式，將滲透系數引進到土體本構關系中。By analyzed interactions of combined limit pipe load components, simplified check formula for pipe load strength are put forward and the calculation method of relevant allowable pipe load values based on shell finite element analysis is presented as well
通過對組合極限接管載荷分量相互關系的分析，提出了接管載荷強度驗算簡化公式和以殼結構有限元應力分析為基礎的許用接管載荷計算方法。Through experiment study of tank model under prestress, water pressure, temperature action, external loads, and coactions of all the loads, stress characters of various parts of concrete tank are analyzed
通過大量算例，對構件組合和變溫差異對熱應力的影響問題進行了分析。並根據分析結果提出了一種新的罐體結構型式。The existing theoretical analyses have n ' t refelcted this true mechanism of the force transfering in fixed segment of anchor bar. for the sake of studying the working course from elastic to elastoplasticity slide better, this paper put forward shear stress - displacement curve, and solve the internal force distribution along anchor bar by the basic equntion. at the same time, this paper analysize the difference of columniform fixed segment and the segmeng with anchor slab at the foot of anchor bar
為了更好的研究錨桿在不同荷載作用下，錨桿的工作狀態從彈性到彈塑性發展的整個過程，本文進行了錨桿受力的模型實驗研究，根據實驗結果提出了剪應力與位移的彈塑性本構關系表達式，並根據錨桿受力的基本方程，求解得出了錨桿在不同工作狀態下從彈性到彈塑性滑移的全過程中錨桿的內力分佈。But this kind of constringency transform because of its inner part not even stress and all control functions exist with exterior, and make concrete produce to pull - stress and pull - strain
而這種收縮變形又由於其內部應力不均和外部約束作用的存在，使混凝土產生過大的拉應力和拉應變。Abstract : a manufacture method of a major diameter circline weldless u - expansion joint by hydrostratic forming is introduced, a calculation formula of loading with hydrostratic forming is given by stress analysis
文摘:簡要介紹了液壓成型大直徑無環焊縫u形膨脹節的方法，通過應力分析，給出了液壓成型的加載內壓計算公式。The stress components in different planes are generally different both in directions and magnitude
摘要過應力空間一點的不同斜面上的正應力、剪應力以及全應力會隨著斜面的變化而變化。Vibration can cause damage to products by abrasion, fatique and overstress and may contribute to early product failure during use
振動可通過磨損、疲勞和過應力引起對產品的損壞，並且可能會導致產品在使用期間的過早損壞。In this article, we introducte the advanced numerical, analysis method - finite element method and lucubrate the rigid - viscoplasticity basic theory for three - dimensional problem with the metal ' s specific feature of the warm extrusion forming process, the analytical procedure of metal ductility forming process and the rigid - viscoplasticity finite element method ' basic theory. the rigid - viscoplasticity ' s modle has been made and the rigid - viscoplasticity ' s modle finite element columnwise based on the lagrange facil method and overtension overtress has been deducted in this paper. at the same time, we have analytic studied the forming technique process for the sway oil pump stator
本論文採用先進的數值分析方法? ?有限元法，結合金屬在溫擠壓成形過程的具體特點，詳細論述了三維問題的剛粘塑性有限元法，介紹了金屬塑性成形過程的分析方法，以及剛-粘塑性有限元法的基本理論，建立了剛-粘塑性模形，推導了基於lagrange乘子法和過應力模形的剛粘塑性有限元列式，並對轉向油泵定子的成形工藝過程進行了研究分析。3 ) it proved that autofrettage technique is better than shrunk principle by analyze stress
3 ）通過應力分析，論證了用自增強技術優于縮套原理的結論。Then the two orientation states of fibres and three closure approximations are examined. analyses of fibre orientation and vorticity in the suspension can be contacted by stress features
另外比較纖維的平面與三維取向狀態、三種封閉格式對穩定性的影響，通過應力將纖維取向分析同流場渦量分析聯系起來。It ' s employs numerical method to analyze stresses and strain of structure and its foundation. its evaluate stability according to stress and strain field
這種方法採用數值方法分析結構和地基的應力和應變，通過應力場和應變場來評價其穩定性。It is well known that growth of plants is stimulated by environment, such as windows and stress. the stress induced growth is a concern problem all along by biologist, physicist and mechanical scientist. professor feng yuanzhen who is an exploiter about biomechanics said the relationship between stress and growth is a live atman of biomechanics
植物生長在自然界中，必然會受到各種外界環境包括機械應力的刺激，因此生長和應力的關系一直是生物學家、物理學家和力學家所關心的課題，生物力學的開拓者之一馮元楨先生說過， 「應力?生長關系是生物力學的活的靈魂」 ，對植物生物力學的研究也是如此。分享友人