material model 中文意思是什麼
material model
解釋
實體模型-
The essential aspect of the mathematic model for inductor is the description of the hysteresis loops of the magnetic core material. the jiles - atherton ferromagnetic theory combined with the experience formula proposed by h. g. brachtendorf, c. eck and r. laur, was applied in this case. the model is more flexible than jiles - atherton ’ s, especially in the circuit model convert
本文採用了由h . g . brachtendorf 、 c . eck 、 r . laur提出的經驗公式與jiles - atherton鐵磁磁滯理論相結合的修改新數學模型，並將該模型轉換為等效電路模型模擬磁滯特性，實驗結果表明，該模型比jiles - atherton模型靈活，利於轉換為宏觀電路模型。 -
This paper has emulated the complex process of bioceramic " s degradation by using the computer simulation technique and studying the principle of material " s degradation, and combining the grain growing model with material degradation model
本文利用計算機模擬技術，在深入研究了生物陶瓷體內降解機理的基礎上，將晶粒長大模型和材料降解模型有機結合，用於模擬生物陶瓷的降解過程。 -
Based on vc and opengl software platform, as a part of integrate planar mechanism analysis and simulation cai, the mechanism theory has been adopted to analysis the movement trace and profile of linkage ; adopt oriented object method to capsulate the class module. each corresponding class module complete parameter storage and process ; adopt message - map, message - trigger to organize the programming and response the user " s input ; use the document - view structure of the visual vc + + mfc class foundation as the basis of the programming architecture to complete those functions. use oriented object method to product the following class module : control class, render class, document class, mechanism class and other classes ; adopt opengl library to draw the three dimensional graph based on the result of mechanism analysis ; use model transforming, lighting, material, color, frame - buffer, display - list, graphics - component combine etc to draw the three - dimension mechanism and make the simulation of linkage has high reality
本文敘述了平面連桿機構運動分析和可視化模擬的理論演算法及其編程實現方法，基於微機vc平臺，採用opengl圖形庫編程，利用面向對象的方法對機構進行功能封裝，利用vc + +的文檔視結構作為最基本的窗架，生成並控制三維繪制類、文檔類、主窗口類和一些輔助類，利用windows平臺的消息映射、事件驅動來組織程序運行和響應用戶反饋，利用機構分析得出坐標數據驅動opengl庫繪制三維機構圖形。 -
In this paper, the basic theory and researchful methods for eos ( equations of state ) of solid, liquid and gas are stated in detail. eos of mixture is also generalized more systematically. two models, equivalent material model and mixing phase model, which can describe solid - liquid transition of mixture, are presented too
本文詳細闡述了固態、液態和氣態物態方程的基本理論和研究方法，對混合物的物態方程進行了較為系統的研究，提出了可用於描述混合物固液相變的兩個模型：即混和相模型和等效物質模型，並以304鋼為例，對這兩種模型進行了驗證。 -
Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure
文摘:不均勻的熱殘余應力及其變形是注塑成型加工中常見的工程問題之一.應用熱流變簡單材料的二維熱粘彈本構方程得到的遞推公式，數值模擬了成型中的熱殘余應力及其翹曲變形，並用數值實驗討論了溫度、壓力對注塑件殘余應力及變形的影響，發現溫度變化不均勻是注塑件翹曲變形的最主要原因，其影響遠大於壓力的作用，與工程實驗的結論一致 -
I. a mtil ( iaxial elastic - plastic hardening - sofling constitutive model of concrete is proposed iii order to offer a nonlinear material model of concrete for space restoring force analysis of reinforced concrete members taking into account the softening behavior of concrete. the concrete material model is incorporated the elastic - plastic hardening fracturing constitutive model of concrete with the plastic - fracturing theory of concrete, modified without defining two loading functiomis, and based on five parameter power function failure criterion proposed by guo zheng - hai etc from tsingliua ( jniversity, or three parameter unified strength theory proposed by yu mao - hong from x ian iiaotong university
1 、將砼彈塑性硬化斷裂本構模型與塑性斷裂理論結合起來，並加以改進，但無需定義兩個加載面，以清華大學過鎮海建議的五參數冪函數或以西安交通大學俞茂宏建議的，參數統一強度理論作為砼的強度破壞準則，建立了砼多軸彈塑性硬化松馳本構模型，能為鋼筋砼構件空間恢復力分析提供砼非線性材料模型，並能反映砼材料的軟化段。 -
In the classical plasticity calculation, a material model includes the constitution of yield model and work hardening flow stress model
在經典的塑性成型計算中，材料模型包含兩方面的內容：初始屈服表面的確定，流動法則和加工硬化模型的建立。 -
( 3 ) by using an elastic - plastic material model, the nonlinear analysis is taken on the rectangular tube and simply supporte d plate, and the ultimate carrying load capacity pu is obtained. the results show that the buckling mode is in accordance with the assumption of elastic analysis, and so shows the ultimate mode
（ 3 ）採用彈塑性模型，考慮幾何非線性理論，利用ansys軟體對矩形鋼管考慮板組相關屈曲影響和不考慮相關屈曲影響（將矩形管板件按四邊簡支板對待）兩種情況進行了屈曲後分析，分別得出其極限承載力p _ u ，並分析了矩形管的屈曲過程。 -
Huazhong and its products won for many times the “ weierjia ” cup, the prize of “ china fashion outside material ”, “ model taxpayer among the enterprises cooperating with foreigners ”, and the glorious titles of “ excellent enterprise in two aspects ” assessed by china foreign investor association, and “ advanced enterprise with three kinds of investment ” by yangzhou city
公司和產品多次獲得「維爾佳」杯、 「中國流行面料」大獎， 「涉外企業納稅大戶」及中國外商投資企業協會評定的「雙優企業」和揚州市「先進三資企業」光榮稱號。 -
Studies and application of optical measurement methods to displacement fields of similar material model
相似材料模型位移場的光學測量技術研究及應用 -
Of them, the methods of model tests mainly include the similar material model method and the photoelastic model method
其中模型試驗方法主要介紹了相似材料模型法與光彈性模型法。 -
Rigidity analysis of reinforced concrete plane beam element in nonlinear material model
考慮材料非線性時鋼筋混凝土平面梁單元剛度的計算方法 -
The accuracy of the analysis of computer simulation is decided by the accuracy of the analysis model and the material model
地震作用下計算機模擬分析的準確性除輸入地面運動的因素外，主要取決于分析模型和材料模型的合理性。 -
The paper defines the natural strain - stress material model, and chose the special element of conta174 and prest179 to ensure the accuracy of the analysis
對所劃分的三種極限承載狀態所設置的模型對比分析了連接內力的變化規律。 -
The analysis model used by this paper is proved that the accuracy is enough, so the accuracy of the material model plays an important role
本文所用的分析模型（纖維模型樑柱單元）對于以彎曲破壞為主的樑柱分析已經具有足夠的準確度，因此主要依賴于單軸材料恢復力模型的合理性。 -
The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002
冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中，本文主要研究軸心受壓冷彎方管的承載力性能，內容主要包括以下一些： （ 1 ）對冷彎方管的彈性臨界應力進行有限元分析，並與經典理論結果進行對比，以驗證有限元程序的適應性； （ 2 ）闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法； （ 3 ）採用彈塑性模型，考慮幾何非線性及材料非線性，對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究； （ 4 ）考慮冷彎效應對屈服應力的影響，對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究； （ 5 ）考慮冷彎效應、幾何初始變形，對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究，並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。 -
On the basis of this, the paper puts forward and creates three model of land resources allocation with sustainable development, which is material model according to theory of extenics, land use basic competition model according to land income border effect theory and macro analysis model according to land use veriety motive power theory. the author hope this paper can supply scientific and useful thoughts and methods for carrying out land resources allocation with sustainable development
在此基礎上，提出並構建了可持續發展的土地資源配置的三種模型，即依據可拓學原理的物元模型、依據土地收益邊際效用原理的土地利用基本競爭模型和依據土地利用變化驅動力原理的宏觀分析模型，希望能夠為實施可持續發展的土地資源配置提供科學適用的思路和方法。 -
2 ) to improve the elastic caculation model of composite material. based on previous study, the paper put forward two orthotropic composite material models, twice reinforced model and bi - reinforced model, and also a simplified isotropic material model for engineering
2 ）密肋復合墻體復合材料計算模型的完善結合課題組前期的研究成果，就墻體在彈性階段的復合材料問題，提出兩種正交各向異性復合材料計算模型:二次單向纖維加強模型和雙向纖維加強模型。 -
The wall was equaled to a beam - hinged frame. furthermore, the paper proposed a rigidity formula of continuous function based on damage theory. 4 ) on the basis of previous study on elastic stage, the paper put forward two orthotropic composite material models, twice reinforced model and bi - reinforced model, and also a simplified isotropic material model for engineering
4 ）結合課題組前期的研究成果，就墻體在彈性階段的復合材料問題，提出兩種正交各向異性復合材料計算模型：二次單向纖維加強模型和雙向纖維加強模型，並在此基礎上，給出了適于工程計算的各向同性墻體簡化材料模型。 -
And then, according to finite element theory of reinforced concrete, the main calculating program of " nonlinear finite element ultimate analysis of reinforced concrete thin slabs with complex geometry & boundary condition " is made by using the triangle layered - assembled element of elastic thin slabs and the stress - strain relation by considering concrete as anisotropic material under effecting by two - way stress, and the concrete material model presented by darwin and pechnold, and the yield criterion of concrete presented by kupfer and gerstle
然後根據鋼筋混凝土有限元理論，以三角形分層組合式的彈性薄板彎曲單元為基礎，考慮混凝土為各向異性材料在雙向應力作用下的本構關系，採用darwin和pechnold的混凝土材料模型和kupfer與gerstle等人研究的混凝土破壞準則，編制了「復雜幾何形狀和邊界條件鋼筋混凝土薄板非線性有限元極限分析程序」中的核心計算程序。
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