element stress 中文意思是什麼
element stress
解釋
單元應力-
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。 -
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。 -
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。 -
Abstract : for analyzing the residual stress distributing state within the weld joint, and its effect on the performance of welding structure, when welding the ferrite pearlite steel with the austenite steel, this paper develops a finite element program to compute the interface stress of two or over two material. finally, this program is used to analyze the mechanical behavior of heterogenic joint
文摘:為了分析鐵素體、珠光體類鋼與奧氏體類鋼焊接時，焊接接頭處焊接殘余應力的分佈狀態及其對焊接構件性能的影響，研製了可計算兩種或兩種以上材料界面應力的有限元程序，並用此程序分析了異質接頭的力學行為。 -
The bending stress is zero for the element at b.
在B處的單元體，彎曲應力為零。 -
The optimum designs of a good and applied outer pressure tank structure of submarine ? quasi - homocentric structure, based on approximate analytical methods and finite element stress analysis method are made
提出了準同心圓式潛艇外部耐壓液艙結構是一種優良實用的結構型式，給出了這種結構基於近似解析法和基於有限元應力分析的結構優化設計方法。 -
Finite element stress concentration analysis of rail joint bolt
鋼軌接頭螺栓的有限元應力集中分析 -
Researches on the deformation of the discontinuous interface of rock mass and the method of interface element stress
巖體不連續結構面變形研究與界面應力元法 -
Finite element stress analyses on all pressure structure of submarine
潛艇耐壓結構全船有限元應力分析 -
The finite element stress analysis and assessment of drawing tube headers
拉拔接管集箱的應力分析與安全評定 -
Firstly the property of the composite foundation under load is discussed, a new pile element stress - strain model is establish - hed by considering the different deformation in the vertical and horizontal and the pile - soil interaction, as a result, a new pile - soil stress ratio expression is established based on the vesic expansive theory
首先本文從理論上探討了碎石樁復合地基的承載機理，以魏西克擴張理論為基礎，建立了考慮碎石單元體縱橫向異性的應力一應變模型，並導得了一種新型的樁土應力比計算表達式。 -
The three dimensional finite element stress analyses of main girder with twin - box cross section used commonly in cable - stayed bridge have been carried out
本文對斜拉橋雙箱單室箱形主梁進行了空間有限元應力分析。 -
By considering the contact between the teeth and utilizing the face to face contact model with contact element and coulomb friction model, the author have developed a computing method for plastic load of tooth - locked quick actuating pressure vessel based on finite element stress analysis and stress categorization
摘要通過接觸單元來數值模擬嚙合齒的接觸過程，建立了基於整體有限元分析的齒嚙式快開壓力容器塑性載荷計算方法。 -
In chapter 3, the above cumulative damage model, together with finite element stress analysis, was used to evaluate the fatigue lives of multidirectional laminates under cyclic shear loadings
考慮型材上含裂紋板條以外的其餘部分的彎曲剛度對含裂紋板條的作用，形成改進的準三維模型，並編制出相應的有限元分析程序。 -
Three dimensional finite element stress analysis on different dental post materials
不同牙樁修復材料的三維有限元應力分析 -
Three - dimensional finite element stress analysis of mandibular complete implant - supported overdenture retained by soft - liner material
軟襯材料固位的全下頜種植覆蓋義齒三維有限元應力分析 -
Three - dimensional finite element stress analysis of mandibular unilateral distal - extension with extracoronal precision attachment
冠外精密附著體用於下頜單側游離端缺失的三維有限元應力分析 -
Three - dimentional finite element stress analysis of mandibular complete implant - supported overdenture retained by two kinds of attachments
兩種附著體固位的下頜種植覆蓋義齒三維有限元應力分析 -
5, such results as the list of the reaction force, deformation figure of the truss the contour of the nodes displacement, the contour of the element stress, and the contour of the node stress, are attained under the static force, the analysis of the finite element show that the maximum stress reaches the value of 285mpa, and then the frame body has the larger stress concentration in this position, if the welding around is not adopted
通過ansys5 . 5軟體有限元分析，得出了各支座反力和節點應力列表，以及桁架在靜力作用下的變形圖、節點位移等值線圖、單元應力等值線圖、節點應力等值線圖。有限元分析計算表明，在不採用周邊焊的情況下最大應力可達285mpa ，具有較大的應力集中。 -
The model ' s parameter was applied to gain the theoretical stress - strain - volume change curves and used to compare with the experimental stress - strain - volume change curves to verify the rationality of it. the newly proposed model is applied in the finite element program, the new program was applied in finite element stress - strain analysis of zipingpu reservoir concrete faced rockfill dam, and at the same time compare with the result of the widespread model ( such as e - u model ) to test and verify its rationality initially
利用求取的模型參數得出理論擬合曲線，進行理論擬合曲線與試驗實測曲線比較，驗證建議模型的合理性；對有限元程序進行修改，加入建議模型子程序模塊，採用建議模型並對壩體進行有限元應力應變計算，同時與目前應用較廣泛的模型（如e - u模型）計算結果比較，初步驗證建議模型和合理性。
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