理想彈塑體 的英文怎麼說
中文拼音 [lǐxiǎngdànsùtǐ]
理想彈塑體
英文
perfect plastic body-
Systemic numerical tests are made first, to study the parameter sensitivity of cohesion and friction angle and other elastic parameters to the convergence in tunnel. some comprehensive parameter sensitivity laws have been draw thought these numerical tests. the method of emulating back analysis is illustrated secondly, in detail by tracing the excavation and supporting conditions by the special numerical modeling rested in final program
主要研究成果： （ 1 ）建立使各個參數靈敏度值具有可比性的靈敏度計算公式，不僅得到了靈敏度分佈規律，而且還得到了各參數對位移的量化影響結果； （ 2 ）詳細闡述了巖土工程模擬反演分析思路與具體方法； （ 3 ）假定圍巖為理想彈塑性模型，在可量測出理論上認為不可測的塑性變形、實現彈塑性位移分離的前提下，提出了彈塑性問題的分步反分析法。Based on the comprehensive statistical analysis of inelastic displacement ratios, the regression equations of - r - t about the strength reduction coefficient and inelastic displacement ratios are obtained. the effects of soil condition, earthquake magnitude, epicenter distance, damp ratios and hysteretic characteristics are considered in detail
通過對理想雙線性體系的均值彈塑性位移比與強度折減系數進行了統計分析與數值擬合，建立了兩大類場地土（硬土、軟土）下的- r - t回歸公式。According to the basic concept of the slip, it sets up the function of the slip strain by " mixed method ", the slip function can be got by integrating the slip strain function
假設鋼梁和混凝土板為理想彈性體，連接件完全塑性，根據滑移應變的基本概念，採用「混合法」建立滑移應變的微分方程，積分后得滑移方程。Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined
假設船體橫向框架材足夠強，因而板架的整體破壞不會發生；基於梁?柱理論、理想彈塑性假設、平面假設，建立了拉伸和壓縮加筋板單元的平均應力?應變關系曲線，應用船體結構總縱極限強度的簡化逐步破壞分析方法計算船體總縱極限彎矩，並據此開發了計算程序sus 。The main study object of the paper is channel steel whose finite element models are founded in ansys the material is assumed as elastic - plastic body
0本文以槽鋼為主要研究對象，假定材料為理想彈塑性體，在ansys中建立其有限元模型。The rule of settlement and pore stress is educed too. then it is compared with the case which is found in site. finally, the paper studies the computing method of pile to soil stress ratio of rigid pile composite foundation with cuhion, and these conditions are thought that the top of pile pierce into cushion and the bottom of pile pierce into underlayer. lt is assumed that the cushion is ideal elastic mass and ideal elastic - plastic mass, then the formula is developed and all parameters " effects to stress ratio of pile to soil are discussed
最後，推導出了帶墊層的剛性樁復合地基樁土應力比的計算公式，這個公式將墊層分為彈性體和理想彈塑性體兩種情況分別進行推導，考慮剛性樁刺入墊層和下臥層的情況，並對公式進行了分析，得出了在剛性樁復合地基中樁土應力比隨著墊層模量和樁模量的增大而增大，但都有一極限值，隨樁間土模量的增大而減小，也有一極限值。So this question must be solved at first. a variety of factors which influence cte mismatch induced thermal stresses such as fiber array, temperature dependent material properties, composites fabrication temperature and pressure has been discussed. on the other hand, the temperature gradient induced thermal stresses is also analysed and factors such as heat treatment conditions, composites fabrication temperature and pressure to influence the stresses are investigated
本文首先利用ansys模擬基體材料分別處于理想彈性應力狀態和理想彈塑性應力狀態時，各種因素諸如纖維排布模式、模量等性能參數是否隨溫度變化以及復合材料制備溫度和壓力對熱膨脹系數不匹配誘導熱應力的影響；另外，我們也對溫度梯度誘導熱應力進行了一定的研究，分析了各種熱處理工藝以及材料制備溫度、壓力對它的影響。In this article, idealized elastic plastic model and three - dimension finite elements programs have applied to analyzing and researching the stress and displacement distribution of 4 high - steep slopes excavated on the wan - liang expressway, and the relationship has been gained between the stress existing in excavated rock slopes and stability coefficient with depth change through the self - made fortrain program ' s application to the computation of slopes " stability coefficient ; at the same time, through the analysis of the slopes " stability coefficient, such conclusion has been gotten that cohesion in the slipping zone has important effect on slopes " stability and some proposals have been presented to improve the anti - shearing ability of the slipping body through enhancement of the cohesion in the slipping body
本文採用概化均質的理想彈塑性模型，利用三維有限元程序分析了萬梁高速公路4個高陡邊坡開挖各階段的應力及應變分佈，並且編寫了fortran程序用於邊坡穩定系數的計算，得出邊坡巖體應力及穩定系數隨著開挖深度的變化關系。並對邊坡穩定系數的敏感性進行了分析，得出滑帶內聚力的變化對邊坡穩定性至關重要，提出了改善滑帶巖土粘結狀態提高抗剪能力的工程措施。For spatial, ideal elasto - plastic girder - pane structure system, using the stochastic finite element method, the static response of structural system is analyzed. taking redistribution of internal forces into account, safety margin functions of failure modes are established. using the advanced branch - and - bound method, the significant failure modes are identified, and the reliability of structural system is evaluated by pnet method
對空間理想彈塑性梁板體系結構，採用隨機有限元計算結構系統的響應量；考慮內力重新分配，建立失效模式的安全余量方程，用驗算點法計算失效模式安全余量的可靠性指標；用改進的分枝限界法，尋找主要失效模式：然後用pnet法計算結構系統的可靠性指標（或失效概率） 。The ideal elastic - plastic constitutive relation and the pile - soil contact element are adopted in the fem numerical analysis. it is simulated that the lateral displacement field, the slide distance between the contact surface and the contact status
採用理想彈塑性土體本構關系和樁-土接觸單元，通過有限元數值分析，對樁-岸坡結構體系的位移場以及接觸面之間的滑移、接觸狀態進行了數值模擬。Although model kormanura - huang takes into account the property of visco - elastic - plastic, and can display the rheological behavior of soil, its considering on the property of plastic is very simple, so, the model can only apply for perfect plastic material
考-黃模型雖然考慮了粘彈塑性，能反映土體的流變性，但是塑性的考慮過于簡單，僅僅適用於理想塑性材料。I. e., the effect of linear and nonlinear analysis, the gradient of pile, the length of pile stick - up, and the horizontal force on the stability of pile stick - up were studied in details. 2. based on the difference of deformation and failure mechanism for pile side soil and pile toe soil, soil mechanics theory, and results of laboratory experiments and field tests, hyperbolic model and ideal elastic - plastic model were proposed to describe the behavior of the soil adjacent to the pile shaft and the soil at the pile toe, respectively
2 .根據土的非線性和非彈性特性以及室內與現場試驗結果，而且基於樁側土體與樁端土體在豎向荷載作用情況下的變形和破壞機理不同，提出應採用不同土體模型分別模擬樁側、樁端土體在打樁過程中所發揮的靜阻力，即：建立了樁側土體雙曲線模型，並推導了樁端土體理想彈塑性模型。分享友人