plastic mechanics 中文意思是什麼
plastic mechanics
解釋
塑性力學-
Displacement formula for composite foundation of composite piles is derived by considering the coaction of foundation soil, broken stone pile, cfg pile and bedding cushion and by applying the theory of elastic - plastic mechanics, which is proper for superstructure being constructed
運用彈塑性力學知識，同時考慮地基土、碎石樁、 cfg樁和墊層四者的相互作用，推導出了比較切合實際的上部結構動工后組合樁復合地基的沉降計算公式。 -
In order to fully refect the geo - tech basic mechanics behaviors and to rationally explain the strain localization, this paper establishes the theory framework of gradient - dependent plastic model based on the theory framework of gradient - dependent plastic mechanics and in considering the plastic strain ' s gradient - dependence in double yield function, offers a kind of possible concrete pattern of the generalized plastic gradient model and analyzes each parameter of the model, particularly with the physical sense of " localized parameters " and the elements producing possible effect upon the model
為了較全面地反映巖土的基本力學性質，同時合理解釋應變局部化現象，本文基於廣義塑性力學的理論框架，在雙重屈服函數中考慮了塑性應變的梯度依賴，建立了廣義塑性梯度模型的理論框架，並給出了廣義塑性梯度模型的一種可能的具體形式，分析了該模型的各個模型參數，尤其是其中的「局部化參數」的物理意義和可能對其產生影響的因素。 -
It is developed from large - scale objective model experiment to reduced scale model experiment ; from simple mechanics device to various advanced detecting device ; and the theory is developed from elastic mechanics, plastic mechanics to fracture mechanics and damage mechanics. the study of concrete fracture has also developed from macro - level to meso - level
從大型的實物模型試驗，到各種縮尺模型試驗；從簡單的力學儀器，到各種先進探測儀器的使用；理論上也由彈性力學、塑性力學發展到了斷裂力學、損傷力學等，對混凝土斷裂問題的研究，更是由宏觀領域進入了細觀層次。 -
Changing the diameters and fixing angles of milling cutter can meet the machining requirements of helical surface. this method has been applied in the process of manufacturing twin - screw in rubber and plastic mechanics, which simplifies the process route and shortens the prepare time in production and at the same time saves the cost and improves technical and economic benefits
通過改變圓柱立銑刀的直徑和加工安裝角度來滿足螺旋面的加工要求，該方法已在橡塑機械用同向雙螺桿的加工中得到應用，縮短了加工工藝路線，減少了生產準備時間，節約了加工成本，取得了良好的技術經濟效益。 -
Furthermore, according to generalized plastic mechanics theory, a three yield surface model is researched basing on the experiment of other people and the shear yield surface in the stress lode angle direction is researched emphatically. by the new model, the fem program is also worked out in this paper
再者，本文在廣義塑性力學的基本理論框架下，在前人研究的基礎上，建立了一個土體的三屈服面模型，該模型更適合於數值計算，並在此基礎上著重研究了洛德角方向上的剪切屈服面。 -
Aiming at the shortages and demerits in the study of constitutive relationship of concrete based on elastic - plastic mechanics, damage expressions of concrete subjected to uniaxial tension - compression was deduced based on damage mechanics, and general damage evolution equation of concrete in bending state was received also
摘要針對彈塑性力學研究混凝土本構問題帶來的不足和缺陷，運用損傷力學的方法，導出混凝土在單軸拉、壓狀態下的損傷表達式，得到了混凝土在彎曲狀態下的統一的損傷演化方程。 -
Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory
針對上述問題，在國家自然科學基金（高技術新概念新構思探索） 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專項基金等的資助下，本文對彈塑性力學問題的動靜態的實時計算、模糊有限元的求解方法等問題進行了系統和深入的研究，取得了以下成果： （ 1 ）根據有限元總剛矩陣經修正後具有正定性的特點以及彈性體勢能函數的具體形式，將飽和模式的線性系統（簡稱為lssm系統）引入到有限元的神經網路計算中，在理論上實現了有限元神經網路計算的無誤差求解。 -
However, due to the complexity of soil, the models that based on the traditional plastic mechanics have still much limitation when used to express the soil mechanical behavior, and it ' s very disordered that how many yield surface should be select and how to select flow principle
但是由於土體材料的復雜性，目前基於傳統塑性位勢理論提出的本構模型在反映土體的力學特性上還存在很大的局限性，且在選用屈服面的數目及如何選用流動法則上也出現了理論上的混亂。 -
Abstract : in this paper, the stress field in a concave plank being upset is resolved by analytic mathematical method of plastic mechanics, the relation between the geometric parameter ( dimension ratio, concave shape ) and friction shearing stress is determined for upsetting a plank free of tension stress
文摘:本文用塑性力學初等解析法求解了凹形板坯鐓粗時的應力場，確定了無拉應力鐓粗時坯料幾何參數（尺寸比、凹形形狀）與坯料端面摩擦剪應力的關系。 -
The quality of machine with loading and unloading bushing has been improved and the structure of which has been turned rationalization ; fourthly, according to the relation of the tight fitting between resist grind bushing and suspension yoke, making use of the two simple thick circles theory in the elastic - plastic mechanics and the fourth strength theory, it integrated theory with it ' s formulation characteristic and developed the solver of the tight fitting force in the system of c + + builder. it could realize the solve of all tight fit force and save up the frame ' s size and the tight fitting ' s data in database in order to use in the future ? the assemble force of tight fitting can be used as the rule of estimating loose or tight bushing in theory
3 ） 、利用了ansys8 . 0自帶的opt （優化技術）對c型夾具進行了結構上的優化，實現了一定強度和剛度的條件下， c型夾具的質量最小，使裝、退套機的質量得到了改善，結構更趨于合理化； 4 ） 、根據合金套和吊耳的過盈配合關系，應用彈塑性力學中的兩個簡單厚臂圓筒理論及第四強度理論，結合軸套裝配方案特性，在c + + builder平臺上開發出了過盈配合裝配力的求解器，它能求解出所有過盈配合所需裝配力，並將各種配合尺寸和過盈量的數據庫存化，以便將來調用。 -
Elastic - plastic analysis for soil around anchor jacked pile in this paper, the course of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we can make analysis for soil around pile. finally, we can educe the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile
錨桿靜壓樁樁周土體的彈塑性分析該部分是文章的主要工作所在，本文把壓樁過程樁周土體的本構關系看作是水平面的平面應變小孔擴張問題，利用小孔擴張原理，結合彈性力學以及塑性力學的知識，對壓樁後土體的性狀作出分析，得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移，壓樁完成瞬時樁周土體彈性區和塑性區的超孔隙水壓力以及樁端球形孔擴張的擴張力。 -
The contact deformation at transient engaging point is derived from deeply analyzing geometric property and kinematics relationship between the two action flanks by use of engagement principle, differential geometry, elastic and plastic mechanics, etc
運用嚙合原理、微分幾何和彈塑性力學等基礎知識，對齒面間的幾何性質和運動關系進行深入細致的分析研究，計算各瞬態嚙合點的接觸變形。 -
Based on the elastic and plastic mechanics, using the finite - element analysis, the nonlinear finite model of the beam - to - column is established according to the american code. the model involved geometry, material nonlinear and friction. the response of beam - to - column web moment connections under monotonous load is researched on
本文在彈性力學和塑性力學的基礎上，利用非線性有限單元法，建立了考慮幾何非線性、材料非線性以及摩擦等參數的樑柱腹板連接的非線性有限元模型，模擬研究了鋼框架樑柱腹板連接在單向荷載作用下的反應。 -
Point to the limitation of existing method, the neural computation method of finite element of elasticity - plastic mechanics was studied on the base of variational principle of the second order minimal potential energy in plastic theory. the neural network solving method of elasticity - plastic mechanics based on variational principle of the second order minimal potential energy was presented, and the neural network computation model of finite element of plastic mechanics was given
針對已有方法的局限性，以塑性理論中的二階段最小勢能變分原理為基礎，對彈塑性力學問題的神經網路有限元計算方法進行了研究，提出了基於二階段最小勢能變分原理的彈塑性力學問題的神經網路求解方法，建立了塑性力學問題的有限元神經網路計算模型。 -
Based on the discussion, this paper expatiated the essential principle of the plastic mechanics in rocks include the material yield criterion, loading - unloading criterion, plastic potential theory, hardening rules, and application in geotechnical engineering
隨后在這一部分中闡述了巖土塑性力學的基本原理，包括巖土類材料的屈服準則、加卸載準則、塑性勢理論、以及加載硬化規律等原理及其在巖土工程中的應用。 -
Eigen theory of generalized plastic mechanics for anisotropic solids
各向異性廣義塑性力學的規范空間理論 -
Generalized plastic mechanics and its application
廣義塑性力學及其運用 -
Theory of generalized plastic mechanics
廣義塑性力學理論 -
The generalized plastic mechanics is not adaptable to explain the geo - tech strain localization
摘要廣義塑性力學不適宜於解釋巖土應變局部化現象。 -
Abstract : by the using of the theory of plastic mechanics, a calculated formula of ultimate strength of shearing stress is obtained for metallic materials with torsion of circular shaft, and the experimental results about low - carbon steel are given
文摘:利用塑性力學基本理論，建立了具有塑性屈服及強化特性金屬材料圓軸扭轉的剪應力強度極限的計算公式，並給出了低碳鋼剪應力強度極限的處理結果
分享友人