strain diagram 中文意思是什麼
strain diagram
解釋
應變畫-
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。 -
First read in the calculation result file i. e. d3plot, then input the correlative material parameters and ultimate strain from experiments, and the developed software will produce the forming limit stress diagram used as sheet metal instability criterion and the stress contour of the part
所開發的應用軟體，首先讀取dynaform的計算結果文件d3plot ，輸入材料的相關參數和試驗所得到的板料的極限應變，軟體即可生成用作板料失穩判據分析用的成形極限應力圖和零件的應力雲圖。 -
In view of the above reason, this thesis adopts the forming limit stress diagram as the instability criterion due to its independence of strain paths, which is acknowledged at home and abroad in the field of sheet metal forming, and develops the applied software for the special purpose finite element analysis code dynaform in order to provide it with a new instability criterion
本文基於板成形專用有限元分析軟體dynaform ，以國內外板料成形領域認同的具有應變路徑獨立性優點的成形極限應力圖為判據進行了應用軟體的二次開發，以期為板成形有限元分析軟體提供一個新的失穩判據。 -
The finite element numerical simulation analysis is an important method to predict sheet metal instability in the sheet metal forming process. and the current general - purpose finite element codes all choose the strain - based forming limit diagram as the instability criterion, which has the limitation of correlative to the strain path. thus it is very inconvenient to study sheet metal forming under complex strain paths
有限元模擬是板料成形過程中預測板料失穩的重要手段，考慮到當前通用的有限元軟體都是以存在應變路徑相關性缺陷的基於應變的成形極限圖為失穩判據，以致在研究復雜應變路徑板成形時極為不便。 -
Stresss - strain diagram
應力應變圖 -
Stress strain diagram
應力應變曲線 -
This model will be more coincidence with the real structure. 2. present the conception and calculate method of blow - up degree of the peak based on the peak of strain mode curve diagram
5建立了實際工程的有限元模型，進行損傷位置與損傷程度的識別，驗證本文的方法在實際工程中的可行性和準確性。 -
We can see bilinear behavior from the relation - ?. diagram of fatigue life and total cyclic hysteresis energy as well as the fatigue life and half - life cyclic hysteresis energy. the divergent points both reside at the strain amplitude of 0
根據合金的循環硬化和軟化行為，採用分段累積的方法計算材料的總滯?能比直接用半壽命滯?能乘以循環數得到的結果更符合實測值，而用疲勞特性參數計算總滯?能誤差較大。
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