線應變 的英文怎麼說
中文拼音 [xiànyīngbiàn]
線應變
英文
line strain-
Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran
縱觀有限元分析技術的發展,目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性,其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處理,必須先將得到的有限元計算結果進行再處理,因此在演算法上分為兩部分:求任意剖面上物理量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎,利用線性插值方法得到截面與單元棱邊的交點坐標及交點物理量值;在此基礎上;根據已得到的單元及節點序號表、應力應變物理量表,總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。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。An application of the invariants of two conics
2條二次曲線不變量的一個應用This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied
簡單介紹大型旋轉機組軸向力在線監控裝置,然後詳細介紹軸向力測力彈性元件的有限元分析,為了提高所研製的測力傳感器的性能,採用有限元方法計算了彈性元件在軸向力f = 3 104n時的應變、應力、靈敏度及軸位移等的分佈情況,分析結果表明:所設計的測力傳感器完全符合廠方的要求及儀表性能指標。The stress-strain curve soon deviate from the elastic line.
應力--應變曲線將立即偏離彈性線。By analysing the relationship among the parameters such as substrate, speed, tension, rotational speed, shape distortion of paper etc, this article put forward a control law to control the drive transmission roller in emery cloth and sand paper production line, the principle is based on hooke ' s law
摘要本文根據彈性力學中的虎克定律,結合砂布砂紙生產特點,分析計算了生產線中基體、應變、速度、張力、轉速等參數之間的關系,建立了砂布砂紙生產線中傳動輥轉速(頻率)運動方程。The envelopes of the strain peaks is an exponential function.
應變峰值的包絡線是一個指數函數。The time - related expression of stain along the crack - tip extension line was given from the use of the elastic - viscoelastic correspondence principle and standard linearity body model and the non - linear factors, which caused the gradual difference between the theoretical and actual value with the increase of time, were analyzed
應用廣義彈性?粘彈性對應原理,給出了線粘彈性體裂尖延長線應變值隨時間變化的表達式,分析導致理論與實驗情況隨時間增加產生偏差的非線性因素。The prestress and harmonic response analysis method is used to study the unbalance response of a turbo - generator rotor and the displacement - frequency curve at a point of the rotor as well as the sress and strain at an appointed frequency are provided
摘要利用預應力及諧響應分析的方法研究了轉子的不平衡響應,得出在某頻率范圍內,轉子在指定點處位移對頻率的響應曲線以及在指定頻率處,整個轉子上的應力、應變響應的影響等。The above circuit serves to illustrate the principle of the gage.
上述線路圖是用來說明應變計的作用原理的。The original orientation ( i. e. the mol with respect to the geographical north ) of the core in the formation can be obtained by palaeomagnetic orientation tests. the two results are combined to define the direction of the maximum principle stress of the well or field
該方法根據差應變分析( dsa )實驗確定地應力相對于巖心標志線的方向,利用古地磁方法確定巖心標志線相對于現代地理北極的方位,兩者結合確定地應力方向。Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented
摘要基於砂井等應變固結模型,考慮初始有效應力沿深度變化,忽略井阻和豎向排水固結的影響,應用平均孔隙比與平均有效應力的對數關系,建立砂井非線性徑向排水固結的分層計算模型,並求得常荷載作用下的徑向排水固結解析解。The conventional resistance strain sensor has played the key role in short - time strain measuring. however, it also has some disadvantages in some aspects
針對大型民用基礎設施的長期在線應變測量,常規的電阻應變片難以滿足其施工監測以及服役期間的狀態監測的需要。Fabry - perot sensing is a new strain measurement technology with the development of fiber technology at the end of 1980 , extrinsic fabry - perot interferometer ( efpi ) had become a hot point in the area of " smart structure " in foreign countries since it has the advantage of simple structure and low sensitivity towards temperature. domestic research on fabry - perot sensor is still at the laboratory stage, and there is little report of the application on the smart structure
光纖法珀應變傳感是80年代末隨著光纖技術的發展而發展起來的一種新型的應變測量技術,其中非本徵型光纖法珀傳感器由於具有結構簡單,溫漂時漂小等優點,非常適合智能結構尤其是橋梁的長期在線應變監測,目前已經成為國外應變傳感技術研究的重點之一。Normal or linear strain is defined as the change in length per unit length.
正改應變或線應變由每單位長度內的長度改變量來定義。Study on strain test method of steel strand in pre - stressed concrete
預應力混凝土鋼絞線應變測試方法研究Wire strain garge transducer
線應變壓力傳感器Abstract : based on the hypotheses of three - piece straightening curve. it isverified that the method for using little deformation condition was true with accurate solution of three - piece straightening curve. the mechanics behavior of slab was analyzed in regard to the creep properties of high temperature slab. the results show that the strain, the strain velocity and the stress varied so smoothly that the inner crack was prevented. technical renovation is carried on by adjusting the displacement of rolls and by using the accurate solution of three - piece straightening curve
文摘:基於三段矯直曲線應變速率的假設,通過計算三段矯直曲線的精確解,驗證了使用小變形條件的正確性;考慮高溫鑄坯蠕變性能,對鑄坯的力學行為進行了分析,得出了使用三段矯直曲線方法,鑄坯應變速率、應力及應變在矯直區內變化較為平緩,可有效避免鑄坯內裂紋的形成;使用本文三段矯直曲線精確解,調整輥列位置,可進行連鑄機的在線技術改造。Besides, there is also some alternatives, such as an inductance conversion using differential transformer and space curve deformeter, and variable resistance pressure transmitter
除此之外還有利用差動變壓器和擾曲線應變計的電感變換方式,以及變電阻式壓力變送器。The integration of wireless acceleration sensor for structural global monitoring, the integration of wireless strain sensor for structural local monitoring, their corresponding network ’ s topological strucuture, the network ’ s communication protocol, saving energy and the network ’ s experiments are studied systemly, the main contents include : 1. for strucutal global monitoring, the electronics components are compared, anlysysed and seleced. on this base, the design modulization method is used for designing and debugging sensing disposal module, micro - processing module, wireless transceiver module and power module, and thus a wireless acceleration sensor node with digital interface is integrated using the above modules
本文在充分研究傳感技術、信號處理技術、無線通信技術的基礎上,針對土木工程結構整體性態監測的無線加速度傳感器集成、結構局部性態監測的無線應變傳感器集成以及相應的無線傳感器網路拓撲結構、網路通信協議、網路能耗處理、網路試驗等問題進行了系統的研究,主要研究內容如下: 1 .針對結構整體性態監測的需要,從設計的小型化、低功耗、低成本、高可靠性角度出發,對相關電子器件進行了比較、分析、選擇;在此基礎上,採用模塊化設計方法,對傳感處理模塊、微處理模塊、無線收發模塊以及能源模塊分別設計、調試,進而集成了基於數字介面的無線加速度傳感器節點。分享友人