yield criterion 中文意思是什麼
yield criterion
解釋
屈服判別式-
The deduction of mises yield criterion tresca criterion with drucker postulation
公設導出兩個經典屈服準則 -
This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first. then according to the transformation rule from ultimate strain to ultimate stress, it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively
本文首先分析了板料成形的屈服準則和失穩準則，然後根據極限應變到極限應力的轉換關系，分別採用hill48屈服準則、 hill79屈服準則和hosford屈服準則，建立了用於軟體開發的成形極限應力圖的數學計算模型。 -
Lade yield criterion
拉特屈服準則 -
Triple - shear yield criterion and its applications to limit pressures for thin and thick wall cylinders and thick wall spherical shells
三剪屈服準則及其在極限內壓計算中的應用 -
Research and progress of yield criterion for sintered powder materials
粉末燒結材料屈服條件研究和進展 -
It is suggested that the true triaxial test under different stress paths should be performed to derive reasonable anisotropic yield criterion and further to develop nonlinear anisotropic elastic - plastic constitutive model
建議通過復雜應力條件下不同應力路徑的真三軸試驗，建立合理的各向異性屈服準則，進而建立各向異性非線性彈塑性模型。 -
Extended von mises yield criterion
米賽斯屈服準則 -
Study of two important plastic indexes of tresca yield criterion and mises yield criterion
屈服面的兩個塑性指標的研究 -
Mises yield criterion
米澤斯屈服準則 -
This paper solved the optimum installed angle anchor bar in anchored joint by considering the shear dilatatility of joint and utlizing the mises yield criterion
本文根據基本理論分析，考慮節理的剪脹效應並利用mises屈服準則求解得出了加錨節理面抗剪的最優安裝角。 -
Many study in theory and experment about the capability of shear - reist of anchored jiont have been done, but many study in theory did n ' t consider the influence of shear dilatatility of joints and has some problem when utlizing the mises yield criterion, in addition, there is n ' t accordant opinion about the optimum shear - resist installed angle at present
錨桿在節理處的抗剪性能，理論和實驗研究做的比較多，但許多理論研究沒有考慮節理的剪脹效應或者在對錨桿應用mises屈服準則的時候存在一些問題。關于錨桿抗剪的最優安裝角目前也尚未有統一的定論。 -
Extended tresca yield criterion
廣義特雷斯卡屈服準則 -
Twin shear stress yield criterion
雙剪應力屈服模型 -
Matsuoka - nakai yield criterion
中井屈服準則 -
Tresca yield criterion
特雷斯卡屈服準則 -
Based on the discussion, this paper expatiated the essential principle of the plastic mechanics in rocks include the material yield criterion, loading - unloading criterion, plastic potential theory, hardening rules, and application in geotechnical engineering
隨后在這一部分中闡述了巖土塑性力學的基本原理，包括巖土類材料的屈服準則、加卸載準則、塑性勢理論、以及加載硬化規律等原理及其在巖土工程中的應用。 -
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 -
Based on hill " s new yield criterion, the approach of artificial neural networks was used to identify the material parameter m in variant stress states during the process of material deformation
本文以hill非二次屈服準則為基礎，應用人工神經網路（ ann ）技術建立了材料在變形過程中不同應力狀態下物性參數m值的識別方法。 -
On the basis of expounding the effects of plastic deformation behavior and forming limit on the analysis of sheet metal forming, this paper overviews the research progress on yield criterion, hardening model, forming limit and effects of complex loading paths, and obtains that establishing the test method of complex loading paths according with sheet forming characteristics, verifying the accuracy and applicability of theoretical results, and determining the analytic description and practical criterion under complex loading paths, are main research directions in sheet metal forming
摘要本文在闡述塑性變形行為與成形極限對于解析板料成形過程的作用與意義的基礎上，針對板料屈服準則、強化模型、成形極限及復雜加載路徑的影響規律的研究進展進行了綜述與分析，得出：建立符合實際板料成形特點的復雜加載路徑的實驗方法，驗證理論研究結果的準確程度及適用范圍，確定復雜加載路徑下的解析描述及實用判據，是目前該領域主要的研究方向。 -
Applying viscoelastoplastic theory, the modified nishihara model was extended into three dimension, the yield criterion and flow vectors fitting for computing were attained. according finite element theory, the computing method and step of nishihara rheological model was given, numerical simulating of three point bending creep test was performed and the results were coincided with that of test
運用粘彈塑性基本理論，對改進后的西原流變模型時空離散並拓展到三維空間，給出了適合數值計算的屈服準則和流動矢量求解方法；給出了西原流變模型數值計算基本方法和步驟。
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