elastic-plastic model 中文意思是什麼
elastic-plastic model
解釋
彈塑性模型-
This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures
考慮在各種荷載工況作用下無粘結筋極限應力增量的變化規律，並與理想的彈塑性模型相比較，最終得出以理想彈塑性模型計算各種荷載工況作用下無粘結筋極限應力增量的回歸公式，從而為預應力混凝土多跨連續結構的無粘結筋應力設計計算提供有益的參考。 -
Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results
利用虛位移原理和更新的拉格朗日方法，導出了大位移彈塑性梁單元剛度矩陣的顯式表達式，在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響，剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響，是因為本文認為，保持平衡所需的所有應力，它們各自的二階效應會相互抵消，因此忽略其中的任何一項都可能導致不正確的結果。 -
This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure
本文以軍用機場地面單機掩蔽庫工程建設為工程背景，首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況，忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用，首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程，建立了有限元計算模型，並採用三角函數法，求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應，並與普通殼體進行了比較。 -
This paper also researches on thermal elastoplastic analysis model of multilayered graded coating structures on the basis of thermal elastoplastic analysis model of trilayered materials with the focus on the structural character of graded coating. it builds the thermal elastoplastic analysis theory for the graded coating structure that has a single plastic layer or two plastic layers. it gives the analytical formulas of thermal stresses and the thermal elastic - plastic transform temperatures of graded coating that has a single plastic layer or two layers under the thermal loading
針對梯度塗層的結構特徵，在建立的三層疊層材料熱彈塑性分析模型的基礎上，對多層梯度塗層結構的熱彈塑性分析模型進行了研究，分別建立了含單個塑性層和兩個塑性層的梯度塗層結構的熱彈塑性分析理論，給出了在熱載荷作用下含單個塑性層和兩個塑性層的梯度塗層的熱彈性-塑性臨界溫度和熱應力分析公式，利用有限元分析對理論模型進行了驗證。 -
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。 -
In the calculation, the energy deposited in aluminum by proton beams is first calculated by m - c simulation, then a 1 - d elastic - plastic fluid model is used to simulate the following thermal shock wave process as a result of thermal - mechanical effect by proton irradiation. the shape of proton is taken as a rectangle pulse with a width of 0. 1 microseconds, the energy flux o
對於3mm的鋁材料，入射粒子束為矩形脈沖（脈寬為0 . 1 s ）的情況下，計算得到了電子束、質子束輻照引起鋁材料斷裂的能注量閾值與入射電子束、質子束能量的關系曲線，該曲線存在最小值，分別對應6mev的質子束的34 . 7j cm ~ 2和0 . 35mev電子束的42 . 1j cm ~ 2 。 -
Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release
根據界面粒子速度剖面，計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系，所得結果與文獻給出的數據符合很好；其次，利用阻抗匹配近似，計算分析了無氧銅卸載過程的應力-應變關系，並與流體彈塑性模型進行了比較，結果表明：無氧銅的卸載過程存在明顯的應變硬化效應。 -
The wall was equaled to an elastic composite slab with silica bricks as main body and concrete rib beams, columns and outer frame as reinforcing fiber. ( 2 ) elastic - plastic stage. the wall was equaled to a rigid frame - oblique compression bar model in which concrete frame was equivalent to a rigid frame while silica brick was equivalent to a oblique compression bar
（ 1 ）彈性階段? ?將墻體視為一種以輕質砌塊為基體，混凝土肋梁、肋柱、外框為增強纖維的復合材料等效彈性板； （ 2 ）彈塑性階段? ?將墻體視為一個由鋼筋混凝土剛架和與之鉸接的砌塊等效斜壓桿組成的剛架斜壓桿組合模型； （ 3 ）破壞階段? ?將墻體視為肋梁嚴重破損的梁鉸框架模型。 -
This paper introduces all kinds of calculation methods of settlement and the popular research theory at present, expresses the rheology theory and its developing trend in detail. based on the rheology theory, the theory of linear - visco - elastic - plastic model is put forward to forecast the long term creep settlement of soft soil in the metallurgy industrial region at the backward position of haihe river in tianjin
本文詳細介紹了國內外關于沉降計算的研究現狀，以及當今流行的研究理論，著重介紹了流變理論的研究現狀及其發展趨勢，並在此基礎上提出了用線性粘彈塑性模型理論來預測天津市海河下遊冶金工業區軟土長期蠕變。 -
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。 -
7. by comparing numerical analysis methods, a common analytical programme has been worked out with elastic - plastic model and finite elements method to analyzing reinforced earth retaining structure under the dynamic loads of train
7 、通過對常用的數值計算方法進行分析對比；運用加筋土彈塑性本構模型和有限元計算方法，編制出了鐵路加筋土擋上結構在動荷載作用下的通用數值計算程序。 -
Numerical simulation also conf irm this analysis that the fluid elastic - plastic model can approximately describe the shock compression and release process of ofhc copper in the teens gpa range, but for precise description, especially in the initial release stage, more detail constitutive model is needed
數值計算結果也支持了這種分析：在十幾個gpa的壓力范圍，無氧銅的沖擊加載-卸載過程近似滿足流體彈塑性模型，但在精確描述，尤其對初始卸載階段的描述上，仍需要更準確的本構方程和物理模型。 -
Based on the shale code, the early code of ale, the two dimensional finite difference elastic - plastic flow code hepale has been developed, in which the ideal elastic - plastic model and equation of state of gruneisen are used to describe the solid material, the programmed burn technique is used to simulate the propagation of detonation, and the equation of state of jwl is used to describe the detonation products
藉助于ale方法的早期程序shale的基本框架，開發研製了二維彈塑性流ale方法計算程序hepale 。程序包含用彈塑性本構模型和gr nrisen狀態方程來描述固體材料的行為；採用jwl狀態方程來描述爆轟產物的性質；採用程序燃燒法來模擬爆轟波陣面的傳播。 -
On the basis of m - method for laterally loaded piles, elastic - plastic model of p - y curve and nonlinear model of nl are proposed in this paper to analyze the characteristic of bearing capacity of laterally loaded piles by finite difference. at the same time, the vertical bearing capacity of the piles are also checked. finally, an analysis software for laterally loaded piles is developed on visual c + + platform
本文根據橫向承載樁基礎的計算分析理論，在以基於線性模型的m法作為基本分析方法和常用設計理論的基礎上，引入p - y曲線的彈塑性模型和nl的非線性模型，通過有限差分的方法進行樁基礎的橫向承載力特性分析，並進行樁的豎向承載力驗算，最後在visualc + + 6的開發平臺上研製了橫向樁基礎計算分析應用軟體。 -
On the base of least squares, using measured data and some optimization methods, both bdm and sfm can get the simulation of stress field and directly provide initial stress state for subsequent stability analysis of slope. bdm can overcome the shortcoming of excess assumption resultiag from other simulation methods, and be widely used in elastic - plastic model. 4
這兩種方法是利用現有的實測數據，基於最小二乘法制定目標函數，採用一定的優化演算法，結合有限元分析程序，得到巖體初始地應力場，並直接為后續的邊坡穩定性分析提供初始應力狀態。 -
The results indicate that stress - strain curves with different water contents, consolidation stresses and stress paths are evidently dissimilar, which are correspondingly described with softening elastic - plastic model, ideal elastic - plastic model and hyperbolic elastic model
研究表明，原狀黃土含水量不同、固結圍壓不同、應力路徑不同、應力應變曲線亦顯著不同，可以由軟化彈塑性模型、理想彈塑性模型或雙曲線彈性模型描述。 -
To the same calculation model, adopt homogeneous elastic - plastic model and inhomogeneous elastic damage model separately, the results of calculation under two kinds of situations are compared, the impact of material inhomogeity on stability is analyzed
對同一計算模型，分別採用均質的彈塑性本構模型和非均質的彈性損傷本構模型，對比兩種情況下的計算結果，分析了材料非均勻性對穩定性的影響。 -
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。 -
The stress and strain of rockfill happens under the twice action of dilation and breakge. based on elastic - plastic model, and considered some relationship between volumetric rheology, shearing. rheology and
因而，堆石流變計算模型應以彈塑性模型為基礎，並考慮剪切流變與體積流變與時間適當的變化關系。
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