The finite element analysis method based on contact problem is a numerical algorithm used for solving contact problem of connection interface , which is developed from the general fem . this method is a combination of elasticity theory and fem , also it is an important aspect of computational structure mechanics 考慮接觸問題的有限元分析法是在傳統(tǒng)的有限元法基礎上發(fā)展起來的處理連接面接觸問題的一種數(shù)值計算方法,它是彈性力學基礎理論與有限元方法相結合的產物,是計算結構力學的一個重要分支。
In the analyse course , two elasticity theory methods , the finite element method and the variation method are employed . and the variation method solution is a continuous function describing the distribution of the stress and strain as a whole , which can be helpful to the design of similar gauge 本文在對彈性元件進行力學分析時,采用了彈性力學有限單元法和變分法,由變分法產生的解是整體應力應變分布的連續(xù)函數(shù)表達式,該表達式可供今后同類型力傳感器的設計計算借鑒。
On the basis of the traditional elasticity theory , nonlinear theory , ultimate theory and theory of reinforced concrete slabs with simple - supported condition , this paper analyzes the whole process of reinforced concrete thin slabs in the loading test of distributing static load , on the objects of reinforced concrete thin slabs with complex geometry , complex boundary condition and distributing of reinforce bars . and then analyzes the load capacity under the effecting of static load 本文在傳統(tǒng)的鋼筋混凝土彈性理論、非線性理論和極限理論以及在簡單支承條件下的鋼筋混凝土板理論的基礎上,以復雜幾何形狀、邊界條件及配筋形式的鋼筋混凝土薄板為研究對象,對其在靜力分配梁加載下的加荷試驗的全過程進行分析,并對其在靜荷作用下的受力性能進行分析。
In order to analyze the base stress of such a new type pavement whichasphalt surface goes upon lean concrete base , calculating the load stress without asphalt surface through fem firstly , and then analyzing the effecting of asphalt surface ' s thickness based upon elasticity theory , and finally the formula of calculating load stress of lean concrete base with asphalt surface worked out according to the previous data 摘要為分析貧混凝土基層瀝青路面新型路面結構的基層應力情況,通過有限元分析方法計算貧混凝土基層的荷載應力,并利用彈性層狀體系理論分析瀝青面層厚度對其影響,由此推導出基層荷載應力的計算公式。
The tunnel construction course was simulatly calculated by adopting plane elasticity theory and exercising 2d - 6 the fem analysis system of civil engineering , which mainly analyses the condition of surroundings , deformed condition and the stress distribution condition of rock protect with lining build get force condition and deformed condition 采用平面彈性有限元理論,運用2d -土木工程fem分析系統(tǒng),對隧道施工過程進行模擬計算,主要分析了隧道施工過程中圍巖的應力分布、圍巖變形狀況和支護與襯砌的受力、變形情況。
Then , mechanical responses of pavement structures were analyzed with elasticity theory , based on actually applied pattern of heavy loading , analysis method of ultimate bearing capacity of pavement structures was proposed , and the factors affecting ultimate bearing capacity were analyzed also , which provided a theoretical basis for the restriction of alex load 其次,根據實測荷載作用面積和計算輪胎接地壓力,計算了重荷載作用下水泥混凝土路面結構的力學響應,提出了分析混凝土路面極限承載力的方法,并分析了極限承載力的影響因素,為限載提供了理論依據。
This paper uses econometric tools , draws on the plasticity and elastic conceptions in the mechanics fields and considers the relation between stock prices and trading volume in different aspects , in order to set up complete stock price plasticity and elasticity theory and apply this theory by carrying on empirical researches 本文主要是使用計量經濟工具,借用力學領域中的塑性和彈性的概念,從一個新的角度出發(fā)考察股票量價間的關系,建立較為完整的股票價格塑性和彈性理論,并對該理論的應用進行實證研究。