constraint boundary 中文意思是什麼

constraint boundary 解釋
約束邊界
  • constraint : n. 1. 強迫,拘束。2. 約束,壓抑,拘泥。3. 強制力。4. 緊張感[狀態]。
  • boundary : n 邊界,疆界,限界 (between);(球場)邊線;界標;界限,范圍,分野。 aboundary dispute 邊界糾紛...
  1. To calculate this boundary parameter, mohorovicic discontinuity palaeo - heat flow value during basin evolution process is identified through geotectonic background analogy method based on " peeling " method model, and the basin basement palaeo - heat flow is calculated through inversion from today to antiquity with current tectonic structure as constraint condition for palaeo - crustal architecture analogy

    為了求取這個邊界參數,以「剝層」法模型為基礎,通過大地構造背景類比法確定盆地演化過程中莫霍面古熱流值,以現今地殼結構為約束條件類比古地殼結構,從今至古反演求取了盆地基底的古熱流。
  2. On the premise of a given set of material parameter, structural boundary shape and condition, design variables - thickness of plate and shell, is designed to minimize the structural weight subjected to the constraint conditions. 1. for the problem with size and stress constraints, full stress design method is used to solve the sectional optimization of plate and shell structures

    在給定了板殼的材料常數、板殼結構的邊界形狀和邊界條件的前提下,確定表徵板殼厚度的設計變量,在滿足約束條件下實現結構重量最小: 1 .對于尺寸和應力約束的問題,使用滿應力方法求解。
  3. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難,對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析,首次全面分析了非穿透裂紋端部場三維影響區范圍,給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解,並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。
  4. The main contributions of the dissertation are as follow : ( 1 ) the possibility of generation hexahedron mesh through tetrahedron conversion method was studied, and a set of feasible method to deal with the boundary condition of constraint and loads has been brought forward

    本文的主要工作包括如下幾個方面: ( 1 )研究了在紫瑞cae基礎上採用四面體轉換法進行六面體網格全自動剖分的可行性並對約束和載荷的處理提出了一套可行的方案。
  5. We construct cost function which combines the likelihood function and boundary constraint function

    它利用似然函數和邊界約束方程構造代價函數,來描述區域特徵。
  6. The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance

    論文的主要研究工作如下:分析研究車架的邊界條件和結構特性,並用殼、管等單元對該車架進行離散,建立一種切實有效的車架有限元模型;對該車架的有限元模型進行模態分析,求得其的固有頻率和振型,並對車架的動態特性做出初步評估,分析可能引起車架振動的固有頻率;在模態分析基礎上,研究發動機輸出的簡諧力引起的車架位移響應(即諧響應分析) ,以考察摩托車車架各部位的振動情況並與模態分析對比,分析是否與該車架的固有頻率相耦合而導致共振;在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上,分析並提出了採用橡膠減震器對車架進行隔振的減震方法。
  7. This original presents the universal insulation materials and the general testing and evaluating method for pipelines " insulation of the thermodynamics power generating plant ; performs the insulation testing and evaluating of the high temperature steam pipelines of longfeng heat and power plant ; takes composite structural research on the high temperature steam pipelines, and establishes the relevant optimizing physical and mathematical model of the insulation layer, confirms the constraint and boundary condition, carries on optimizing design for the thickness of insulating layer ; in order to more systematically analyzing the present situation of insulation of the installation and pipelines of longfeng heat and power plant, develops a suit of software namely " the information associated decisive system for the insulation project ", taking advantage of this software can achieve. the design, evaluation and direction to building for the insulation project, examine the criterion of design and building, the perform ance and manufacture data of different insulation material, which is convenient to the selection of insulation material

    在進行保溫結構優化的過程中,主要是針對高溫蒸汽管道進行復合結構研究,並建立相應的物理及數學模型,找出其約束條件和邊界條件。同時為了更加系統地對龍鳳熱電廠設備及管道的保溫現狀進行分析,開發了一套「絕熱工程信息決策系統」軟體,利用該軟體可以實現絕熱工程的設計、評估及施工指導,並可以查閱設計及施工標準、各種絕熱材料性能和生產廠家的資料,便於絕熱材料的選擇。該套軟體的設計填補了國內空白,避免了絕熱工程改造、設計及施工過程中的無序現象,規范了絕熟工程市場,從而為我國絕熱工程的選材、設計、施工及管理提供科學依據。
  8. Taking the results as boundary constraint and the velocity field of horizontal movement after transforming reference frame as the load of fem node, the velocity field of horizontal movement in the region is simulated, the principal strain rate field and maximal shear strain rate field are calculated, the variety characteristics of the two rate fields and relation between the variety characteristics and strong earthquake preparation are analyzed

    將反演結果作為邊界約束並將變換參考框架后的水平速度場作為有限元節點載荷,模擬區域內部水平運動場並計算其主應變率場、最大剪應變率場,以分析這兩個時段中這兩種場的變化特徵及其與地震孕育之間的關系。
  9. In this paper, we study the numerical solutions of these problems using galerkin boundary element, especially for the problem with open boundary such as the problems exterior to an open segment or an open curve in the plane. since the equivalent boundary integral equation for two dimensional laplace equation has constraint condition

    因為把二維調和方程的邊值問題轉化為等價的邊界積分方程時帶有約束條件,用galerkin邊界元方法求解帶約束條件的變分方程,在數值離散時,我們採用lagrange乘子法處理約束條件。
  10. Users can record, search, playback and monitor the recordings without boundary constraint complete and secured database system

    供應方便而無空間限制的全網錄音、搜尋、播放與監看。
  11. When the magnetic ( electronic ) field is perpendicular to the initial director, the molecules will receive the function of torque of the magnetic field and the distortion torque from the boundary constraint. they counteract at equilibrium

    如果對液晶施加一個與指向矢取向相垂直的磁場,那麼液晶內部將受到外磁場對液晶分子施加的轉矩和由於受到邊界條件限制而引起的形變轉矩作用。
  12. Because the actual position has been assumed to be the boundary constraint, the proposed dynamic models have overcome the weakness that the conventional method is not convenient for the dynamic analysis of the kind of constrained flexible systems

    由於採用了系統變形后的實際位置為邊界條件,本文所提出的受限柔性機器人的動力學模型和柔性機器人協調操作受限負載的動力學模型克服了通常方法不方便對受限柔性系統進行動力學分析的弱點。
  13. Applying variational method we analyze the existence and uniqueness for the solution of the corresponding boundary variational equation, truncated mrm boundary variational equation, and approximation truncated mrm boundary variational equation in detailed. we obtain the error estimation for various approximation solutions and construct the boundary integral method with constraint. we explain the principle for choosing the mesh size and the truncated number in mrm. finally the numerical examples show that the theoretical analysis is accord with the numerical experiment result

    採用變分方法系統分析了相應問題的邊界變分方程,截斷的mrm邊界變分方程與近似截斷mrm邊界變分方程解的存在唯一性,解釋了網格寬度與mrm方法中截斷數的選取原則,討論了mrm方法中的迭代誤差估計,給出了數值算例。
  14. In the conventional stress - strain analysis of finite element method ( fem ), the boundary of concrete - faced rockfill dam ( cfrd ) is treated as complete constraint. so it can not calculate the deformation of the peripheral joint

    以往面板堆石壩有限元應力應變分析中的堆石體邊界按照全約束處理,計算出面板的周邊縫變形很小。
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