塑性動力學 的英文怎麼說
中文拼音 [sùxìngdònglìxué]
塑性動力學
英文
dynamic plasticity-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。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。Based on the regional structure dynamics analysis of the lithosphere imbricate structure in lanping - weixi area, the middle section of three - rivers area ( n26 - 28 ), the bouguer gravity anomaly of deep structures was completed and the fractal of these faults was calculated. the geology structure model and the elasticoplastic three - dimension finite - element mathematic are described, made and calculated ; and physical simulation was accomplished
針對三江中段n26 - 28蘭坪-維西地區的巖石圈正交疊加構造的區域構造動力學分析，進行了深部構造的布格重力異常延拓處理和淺部的斷層分維計算，描述、製作計算了地質結構模型、彈塑性三維有限元數學模型和物理模擬。Viscous - elastic - plastic constitutive model for sea ice dynamics in the bohai sea
渤海海冰動力學中的粘彈塑性本構模型In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed
為進一步發展和完善基礎隔震結構分析理論和計算方法，本文以隔震系統恢復力模型研究及基礎隔震結構非線性地震反應分析為基礎，對基礎隔震結構的多維地震反應及平?扭耦聯地震反應開展了以下幾方面的研究工作：根據隔震系統力學性能的特點，在現有研究成果的基礎上，對隔震系統恢復力計算模型進行了改進和創新，提出了普通疊層橡膠支座單向及雙向耦合粘彈性恢復力計算模型，鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性微分型恢復力計算模型，摩擦滑動支座單向及雙向耦合修正粘塑性微分型恢復力計算模型。Plastics - determination of dynamic mechanical properties - part 6 : shear vibration - non - resonance method
塑料.動態力學性能的測定.第6部分:剪力振動.非共振法Plastics - determination of dynamic mechanical properties - part 4 : tensile vibration - non - resonance method
塑料.動態力學性能的測定.第4部分:拉伸振動.非共振法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。For example, frp reinforced concrete is used to support or surround magnetic resonance imaging ( mri ) medical equipment, and frp is also used for the constructions of some seawalls, industrial roof decks, base pads for electrical and reactor equipment, anchor in rock and ground engineering and concrete floor slabs in aggressive chemical environments in order to promote the wide usage of frp and frp reinforced concrete structures, financed cooperatively by nationa l natural science foundation ( item : the research on mechanical performance of frp reinforced concrete beam reinforced ; number : 59978046 ) and henan illustrious youth science foundation, connected with the analysis methods of modern steel reinforced concrete structure, the thesis further studies the flexural performance of frp reinforced concrete beam through the systematic study on experimental data got from this kind of beams, systematically establishes the theoretical calculating system of the flexural performance of frp reinforced concrete beam in cooperation with the up - to - date analytical methods for reinforced concrete, which suits the properties of frp
例如，纖維增強塑料筋應用於支撐和圍繞磁共振成像醫療設備的混凝土中及海堤、工業頂棚、電設備、反應設備的基座、巖土工程中的錨桿、侵蝕性環境的混凝土結構等海洋工程、橋梁工程、路面工程、巖土工程、醫療及化工工程的建設。為了推動纖維增強塑料筋及其混凝土結構在工程中的廣泛應用，本文在國家自然科學基金（項目名稱：纖維增強塑料筋混凝土梁力學性能的研究；編號： 59978046 ）和河南省傑出青年基金的資助下，通過對纖維增強塑料筋混凝土梁正截面受彎性能試驗數據的系統分析，結合現代鋼筋混凝土結構學的分析方法，對纖維增強塑料筋混凝土梁正截面受彎性能進行了深入的研究，較系統的建立了適合於纖維增強塑料筋特點的纖維增強塑料筋混凝土梁正截面受彎性能的理論計算體系。In consideration of the characteristics of big pressure changes in near wellbore area of low permeability reservoirs, based on experimental result, a single well percolation mathematical model that the reservoir physical property changed with effective stress was established, equations were given for calculating the elastics and elastoplastic reservoirs under the condition of oil and water flow and an analytical equation was also given for calculating the reservoir production and bottom - hole flowing pressure
摘要針對低滲油藏近井地帶壓力變化幅度大的特點，以試驗結果為基礎，建立了考慮儲居物性隨地層有效應力變化的單井滲流數學模型，給出了油水兩相流動下的彈性和彈塑性儲層的數值解計算公式，以及彈性儲層的產量和井底流壓解析表達式。In this paper, nonlinear static analysis methods, structural dynamic time history analyses based on structural state equation in hamilton system, multi - mode control theories of multiple tuned mass dampers, and semi active control laws of " on - off " are investigated
本文分析和研究了結構靜力彈塑性分析方法、基於hamilton體系下結構狀態方程求解結構動力學問題的數值逐步積分方法、多重調諧質量阻尼器（ mtmd ）的多模態控制理論以及建築結構的半主動控制律。In this paper, molecular dynamics simulation is carried on the nanometric cutting of defect - free monocrystalline silicon. based on simulations, a reasonable explanation is given to the forming mechanism of chip and surface machined in the cutting process of monocrystalline silicon. moreover, the feasibility of brittle - ductile transition of monocrystalline silion is studied with the method of first principle stress
對內部無缺陷的單晶硅的納米切削過程進行了分子動力學模擬.通過模擬結果，對單晶硅納米切削中的切屑形成過程和加工表面的形成過程做出了合理的解釋.並用第一原理應力計算方法對單晶硅納米切削過程中的脆塑轉變的可行性進行了研究The predominantly expressed nr2 subunits in hippocampus and neocortex are nr2a and nr2b, they have different developmental expression profiles - there is a developmental decrease in expression of the nr2b subunit and an increase in expression of the nr2a subunit, which endow the nmda receptor with distinct channel properties
而隨著年齡的增長， nr2a亞單位的表達量和突觸含量逐漸增加。不同的nr2亞單位賦予nmda受體不同的通道動力學特性，如在老年動物中觀察到nr2b向nr2a亞單位的轉換降低了突觸可塑性。Under the direction of elastic - plastic statics theory, transient dynamics theory and structure mechanics theory, the means of numerical analyse is adopted in this thesis to study the security of existing tunnel. the thesis studies the contents as follovvs : ( 1 ) the bias pressure, vvhich is caused by the digging of new tunnel, deflects and deforms the lining of existing tunnel. the effect degree relates to tunnel space, construction method, topography and round rock
本文用數值分析的手段，對既有隧道的安全性進行了彈塑性靜力分析、瞬態動力學分析和結構力學分析，如下： （ 1 ） 、新建隧道的開挖對既有隧道造成偏壓影響，使得既有隧道發生偏轉和變形，從而對隧道襯砌產生不良後果，其影響程度與隧道間距、施工方法、地形和圍巖狀況有關。( 2 ) based on the detail analysis on soil models and machine gun firing dynamics, the drucker - prager model is introduced to study machine gun firing dynamics, the soil is modeled like a box by finite element
在詳細分析目前土力學中出現的土壤的各種本構模型及機槍發射動力學研究特點的基礎上，指出採用drucker ? prager屈服準則的彈塑性模型是機槍發射動力學研究中應該採用的主要的土壤本構模型。Seeing that structure characteristic of damage in the wind hazard, non - linear dynamics analysis was carried on, and has proposed the standard of damaging assessment
鑒于結構風災損傷的特點，進行了非線性（包括大變形和彈塑性）動力學分析，並提出了損傷評估標準。In this paper, stress and strain are analyzed in elastic - plastic bending process of plate, and a viewpoint is put forward in with plastic stress and strain neutral layer displace toward inside, and coincide with elastic stress and strain neutral layer when big curvature elastic - plastic bending process is come into being of plate on the basis of the theory of plane curving pole in the material mechanics
摘要通過對板料彈塑性彎曲應力應變分析，利用材料力學中的平面曲桿理論，提出了板料大麴率彈塑性彎曲塑性應力應變中性層和彈性應力應變中性層均向內移動並重合的觀點。Compared with the results of the ordinary shell structure, the ribbed shell structure can improve the structural bearing capacity, so the theory of the stretching finite element analysis about statics has been extended successfully and also applied to calculation of stretching dynamics. the result indicates that the mechanics impact is of much distinctness compared with ordinary one
成功的將靜力學中的彈塑性有限元理論擴展並應用於復合殼體的彈塑性動力學計算中，結果表明利用彈塑性理論計算出的結果更精確，與普通混凝土殼體的比較后可以看出，復合殼體的力學效果非常明顯。A theoretical analysis of the dynamical characteristics, such as equation of dynamics, transfer function and the inertia of the system, of the injection system of full - motor injection molding machine is made, and analysis on living examples was also made
摘要對全電動注塑機射膠系統動力學和控制特性進行了理論分析，並分析了各環節的動力學方程、傳遞函數及系統的慣量，同時還進行了實例分析。分享友人