stress gradient 中文意思是什麼
stress gradient
解釋
應力梯度-
The temperature of surface concrete varies with environmental temperature, but the conductibility of inner concrete is very poor. as a result, a quick decrease of environmental temperature will lead to large temperature gradient and then tensile stress develop soon in the thick direction, which will probably occur on the entire cross - section
混凝土表面溫度隨外界溫度波動而波動，但內部的導溫性能很差，所以在外界溫度驟降時將引起很大的溫度梯度，從而在厚度方向上拉應力發展很快，這極易引起全斷面拉應力發生。 -
Finite element method was used for the calculation of temperature field, temperature gradient and thermal stress of the coal water slurry ( cws ) ceramic nozzle
摘要採用有限元法對陶瓷水煤漿噴嘴溫度場、溫度梯度及其熱應力進行了分析計算。 -
Results showed that the temperature, temperature gradient and thermal stress at the exit surfaces of the cws ceramic nozzle were higher than that of other part of the nozzle
結果表明：在陶瓷水煤漿噴嘴的出口端面存在較大的溫度、溫度梯度和熱應力。 -
The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering
模擬結果表明，掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象，並在端點處產生較大的熱應力，使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著，燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響，交替掃描會影響燒結試樣的質量，實際製造時應採用單向掃描策略。 -
On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters " effect and stress gradient are included. local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification
本文對此內容進行了較為深入的研究，考慮了多個參數的影響，對各種應力比作用下的楔形腹板的屈曲及屈曲后強度進行了計算分析，得出了考慮翼緣相關作用的楔形腹板屈曲系數及有效寬度系數的計算公式，以期為規范的修訂提供參考。 -
Influence of earth temperature gradient on ground stress calculation in underground mines
地溫梯度對地下礦山地應力計算的影響 -
The stress induced electrical current changes with stress changing. the sensitivity of cfrc and plain concrete depends on their component, loading condition and the method of measurement. the study on mechano - electric effect of hardened cement paste provides a new method to make smart concrete structures. according to nonequilibrium thermodynamics, a mathematical model on the relatrionship between strain gradient and electric potential gradient is presented
研究表明，碳纖維混凝土（粗骨料）的電阻隨所受荷載的變化而變化，不同組成混凝土的力電機敏特性不同，力電機敏特性可望用於混凝土結構的應力診斷，從而為智能混凝土結構的實現開辟了新的途徑。 -
The conclusions obtained as follows : firstly, the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly, the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures
最後，採用ansys程序分析了合金材料、復合材料的板、彈體結構的熱振動特性。在不同的熱載條件下，取得以下結論：升溫導致的材料機械性能下降都會降低結構固有頻率，而溫度梯度產生的熱應力可能降低也可能提高結構的固有頻率；金屬材料結構的固有頻率受溫度的影響要比復合材料結構的固有頻率受溫度的影響要明顯。 -
Effect of gradient of fiber laminates on flexural rigidity and interlaminar stress
纖維層合板梯度化后對彎曲剛度與層間應力的影響 -
According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates
根據磁流變阻尼器工作模式，利用磁路中的歐姆定律和動態磁路設計原理，結合汽車懸架的技術要求和結構特點，提出了基於剪切模式和流動模式共同作用（混合工作模式）的汽車磁流變阻尼器設計原理，討論了阻尼器動態磁路設計中的若干技術問題；根據流體力學navier - stokes方程，分別利用newton流體特性和bingham流體特性，推導了基於平板模型和軸對稱模型的流變學方程，得出了阻尼器阻尼力的計算方法。 -
( 5 ) the water circulation system reach a stable state after a year when the exploitation of hdr. namely, there a fixed stress gradient from injection well to production well keeping the normal function, and the stress gradient is higher nearby the injection well, reaching to 43. ompa / km, but the stress gradient is only 10
（ 5 ）高溫巖體地熱開發的水循環系統在一年後變的穩定，即從注入井到生產井有固定的壓力梯度維持系統的運行，而且在注入井附近區域的壓力梯度較』大，達到43 . ompa / km ，中間區域的壓力梯度僅為10 . 7mpa / km 。 -
Stress which three portal frames of dairy housing bore under different conditions was analyzed and relations between different post distance, roof gradient and structure internal force capability and steel dosage were obtained. at the same time, the structural section was optimized with float stress exponent method to lower steel dosage
通過程序，對牛舍三種門式剛架結構在不同工況下進行了應力分析，分析了不同柱距、屋面坡度與結構受力及結構用鋼量的關系，並用準則法中的浮動應力指數法對優選出的結構進行了截面優化，達到了降低結構用鋼量的目標。 -
According to the different thermal fields and the maximum thermal gradient, the thermal stress of lean concrete base with asphalt surface can be calculated through fem, and the formula of calculating thermal stress for lean concrete base with asphalt surface is also brought forward based on that
根據不同自然區劃的溫度場和最大溫度梯度，得出貧混凝土基層瀝青路面中的基層溫度應力的有限元解，於此提出了基層溫度應力的計算公式。 -
Bi - material interfacial fracture theories are researched with a phenomenon that cracks extend along interface. a gradient invading model of interface crack at the crack tip can gain stress fields along interface. so a formula of energy release rate for 3d braided cmc is deduced and the corrected formula of the energy release rate is examined with test results
研究了裂紋沿界面擴展的雙材料界面斷裂理論，利用傾斜侵入界面的裂紋模型解析了裂紋尖端沿著界面的應力場，推導了表徵三維編織cmc復合材料斷裂韌性的能量釋放率公式g _ c ，並且用試驗結果驗證了能量釋放率公式的正確性。 -
The main factors affecting percolation in low permeability reservoirs include stress, threshold pressure gradient, slippage effect and water - blocking effect, which play various roles on percolation, but all will result in non - linear percolation in the end
影響低滲氣藏滲流特徵的主要因素有應力作用、啟動壓力梯度、滑脫效應和水鎖效應等因素，並且這些因素對滲流影響各有不同，但最終均引起低滲氣藏滲流的非線性化。 -
Thermal stress analysis and gradient design for single geometry bodies of functionally gradient materials
簡單幾何體的熱應力分析及梯度化設計 -
2. the ground pressure and lining stress of lining of entrance increases as gradient of up - slope increases
（ 2 ）洞門段圍巖壓力及襯砌結構受力隨仰坡坡度增大而增大。 -
On the contrary, if temperature gradient is relatively low, combustor only undergo low compressive stress at high temperature. the combustor of engine has a longer life length. these results can provide some reference for maintain and design for gas turbine combustor
分析也表明，若在起動過程中筒壁的溫度梯度較為平緩，火焰筒的氣膜唇邊在起動完成後始終受微小的壓應力作用，火焰筒的壽命可以大大延長。 -
When comparing spatial patterns among different habitats within the plot, the aggregation intensity increased along a wind - stress gradient from the sheltered creek to the most exposed slopes
至於?同徑級大小， 35 . 5 %的物種隨著徑級增加而由高?聚集的分佈?型逐漸轉移到較低強?的聚集或呈現隨機分佈，但有11 . 3 %的物種呈現相反的結果。 -
This paper also points out clearly that the average stress is the main driving force for migration of the petroleum in the pore stratum, the downhill direction of average stress gradient is the preponderant direction of the migration oil and gas
指出了三維應力場中平均應力是描述油氣流體在孔隙地層中運移的主要指標，平均應力梯度減小的方向就是油氣運移的優勢方向。
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