strain-softening 中文意思是什麼
strain-softening
解釋
應變軟化-
It can be noticed that both r and t specimens show initial hardening and subsequent softening at the strain amplitude higher than 0. 8 % and cyclic softening from the beginning to fracture under strain amplitude less than 0. 8 % at room temperature, and the cyclic flow stress was always lower in r specimen than in t specimen at the same strain range
且在相同的應變幅下， t向試樣比r向試樣具有更高的循環流變應力。此外，對r向及t向試樣，低應變幅下呈現出循環軟化現象是因為晶粒旋轉導致循環軟化；而在高應變幅下發生循環硬化是由於孿晶作用的結果。 -
The experimental results is shown as followings : ( 1 ) the cyclic flow stress - strain curves in an incremental step test could be expressed as the power law relation : ( 2 ) when the strain amplitude is lower during cyclic deformation tests under constant strain control, softening firstly appears, then gradually hardens with the increasing numbers of cycle ; when the strain amplitude is higher, hardening firstly appears, then gradually softens
試驗結果表明： （ 1 ）循環流變應力與應變的相互關系曲線均符合冪律關系式： （ 2 ）在室溫下進行恆應變幅循環變形過程中，當所控制的應變幅較小時，該材料首先出現循環軟化，之後隨循環周次的增加直至循環失效前該材料出現了硬化現象。當應變幅較大時，該材料開始出現硬化，然後隨循環周次的增加才出現軟化。 -
In order to establish the nonlinear elastic model of qi loess, the hump curve was used to stimulate both the softening stress - strain curve and the volume deformation curve
對軟化型應力應變曲線提出用駝峰曲線模擬，對體變曲線也提出用能反映剪脹的駝峰曲線模擬，建立了q1黃土的非線性彈性k 、 g模型。 -
The results showed that the characteristics of cyclic hardening or softening depend to the strain loading paths and the loading parameters
研究結果表明，低周拉扭疲勞加載下，拉與扭應加響應的硬化與軟化特性取決于應變加載路徑和加載參數。 -
The influencing element and the equation of the shear strength of the no viscous moraine and gravel, and strain softening, dilatancy ( shrinkage ) were analyzed
分析了堆石料等無粘性粒狀土的抗剪強度影響因素和合理抗剪強度表達式，應變軟化、剪脹等性質。 -
Abstract : by analyzing strain softening micromechanical damage process of rock, the softening micromechanical damage model of rock is established and the softening constitutive relation of rock under one _ dimension tension is also obtained
文摘:通過分析巖石材料應變軟化的細觀損傷力學過程，建立了巖石軟化階段的細觀損傷力學模型，從而得到單向拉伸狀態下巖石軟化過程的應力應變本構關系 -
The alloys, which were cold - worked followed by recrystallization annealing, display cyclic softening in the range of low strain because the cyclic stress - strain curve lies below the monotonic stress - strain curve, and show cyclic hardening in the range of high strain because the cyclic stress - strain curve lies above the monotonic stress - strain curve
在低應變范圍，冷加工后經再結晶退火處理的錯合金的循環應力一應變曲線位於單調拉伸曲線的下方，表現為循環軟化;在高應變范圍則位於單調拉伸曲線的上方，表現為循環硬化。 -
Look back generally to elaborate the development and present situation of the stress - strain model of soil. according to a great deal of data of the test and research of zipingpu reservoir concrete faced rockfill dam ' s material, suggest the more reasonable stress - strain - volume change equation to contain strain softening, dilatancy ( shrinkage ) of the no viscous moraine and gravel. suggest the method to gain the model ' s parameter
較全面回顧闡述了土體本構模型的發展和現狀，根據紫坪鋪面板堆石壩築壩料的大量試驗研究，提出相對合理的應力應變關系方程，以反映土體的應變軟化、剪脹性，並提出模型參數的求取方法，求取模型參數。 -
( 2 ) based on deterioration model of owerage bond stress of beam reinforcement accounting for effect of axial compression ration and number of displacement loops, and stress - strain relationship of the concrete in the joint core accounting for effects of both softening and confinement, the modified compression field theory was employed to simulate behavior of the joint core under loading reversals. analysis by means of the program jap on the tested specimens in this paper and those obtained from other researchers produced consistent results
根據本文建立的考慮軸壓比和位移循環次數影響的梁筋平均粘結應力退化模型和考慮軟化效應、約束效應的核心區混凝土應力應變關系，通過在試驗中得出的節點核心區混凝土、箍筋、節點正面、背面柱筋在反復荷載下的受力特點，利用斜壓場理論模擬節點核心區在反復受力過程中的受力狀態。 -
The second stage is a cyclic softening course, and what ' s more, the greater the strain amplitude, the greater the trend of softening
在所有試驗條件下合金的疲勞硬化階段都很短暫，疲勞壽命的極大部分是消耗在緩慢的循環軟化階段。 -
The last stage is a rapid softening course for all strain amplitude. further metallic phase shows : for all strain - controlled, the initial rapid cyclic hardening results from the strong interaction between precipitate strengthening phase and the dislocation ; as for strain amplitude lower than 0. 95 %, the shearing of precipitate strengthening phase leads to the cyclic softening behavior
金相組織結構檢查進一步表明，循環塑性應變作用將顯著改變原始態合金中沉澱顆粒的幾何形狀、尺寸和分佈狀態，並由此改變位錯與顆粒之間的交互作用行為，這一機制將對合金的循環硬化和軟化起促進作用。 -
Some useful results were found after those. firstly, the softening and dilatancy characteristics of qi loess stress - strain were found by means of conventional tri - axial tests
通過研究，本文主要取得了如下一些有益的成果：首先，通過常規三軸試驗揭示了q1黃土的應力應變軟化和剪脹特性。 -
The strain softening of dam body and foundation is the necessary condition for dam instability. according to observation data of dam cracks, a gray cusp catastrophe model is established to judge the stability of the crack. according to the slope observation data of a certain hydropower plant, a nonlinear dynamic model is developed by means of reversion and the lyapunov exponent spectrum, and the lyapunov information dimension are calculated for judgement of the stability of the slope
（ 5 ）基於變分原理，研究建立了能量形式的失穩準則，並說明壩體、巖基的材料具有應變軟化的性質，是大壩失穩的必要條件；並利用大壩的裂縫實測資料，建立了相應的灰色尖點突變模型，由此判斷裂縫的穩定性；根據某水電站庫區滑坡體的變形實測資料，反演其非線性動力學模型，進而計算lyapunov指數譜、 lyapunov信息維來判定邊坡的穩定性及穩定程度。 -
Analytical solution to cavity expansion in strain - softening soils with tesca yield criterion and its applications
材料中擴孔問題解答及其應用 -
The adopted failure criterion was a composite mohr - coulomb criterion with tension cut - off and the post - peak constitutive relation of rock was linear strain - softening
計算中採用了莫爾庫侖與拉破壞復合的破壞準則，峰后巖石本構關系為線性應變軟化。 -
On one side of the fault band, snap - back occurs due to the sharp recovery of elastic strain in strain - softening process, indicating the unstable failure
在斷層帶左側，由於在系統承載能力降低的過程中，彈性應變的快速恢復，出現了快速回跳現象（系統失穩） 。 -
In the past studies of arc - length method, the works mainly focused on the structural geometrical nonlinear analysis. in the case of the application to the material nonlinear analysis of concrete structure, especially when the concrete strain - softening behavior is included in the constitutive model, the studies are limited
而將弧長法用於混凝土結構的材料非線性分析時，由於餛凝土開裂等因素引起的應變局部化，使得求解存在一定的困難，尤其是當混凝土本構模型中包含應變軟化段時，求解困難更為明顯。 -
Research on swelling and strain softening model of swelling rock in hongshanyao
紅山窯膨脹巖的膨脹和軟化特性及模型研究 -
The unified limit load solution of fiber - reinforced concrete cylinders considering the strain softening of material
考慮應變軟化纖維增強混凝土圓管極限荷載統一解 -
Numerical simulation of strain softening and localization for concrete materials
混凝土應變軟化與局部化的數值模擬
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