금속계 구조재의 다축응력상태 탄소성거동에 대한 구성식An Constitutive Equation for Elasto-Plastic Behavior of Metal Structural Material on Multi-axial Stress State
- Other Titles
- An Constitutive Equation for Elasto-Plastic Behavior of Metal Structural Material on Multi-axial Stress State
- Authors
- 백기열; 모토유이 쇼지로; 김종락
- Issue Date
- Jan-2007
- Publisher
- 대한건축학회
- Keywords
- Numericla Analysis; Multi-axial Stress; Baushinger Effect; Sub-layer Model; Macroscopic Evaluation Method; Thermodynaics; Bounding Surface; Material Constitutive Equation; 수치해석; 다축응력; 바우싱거 효과; 서브레이어 모델; 거시적 평가수법; 열역학; 경계곡면; 재료구성식; Numericla Analysis; Multi-axial Stress; Baushinger Effect; Sub-layer Model; Macroscopic Evaluation Method; Thermodynaics; Bounding Surface; Material Constitutive Equation
- Citation
- 대한건축학회논문집 구조계, v.23, no.1, pp.79 - 86
- Journal Title
- 대한건축학회논문집 구조계
- Volume
- 23
- Number
- 1
- Start Page
- 79
- End Page
- 86
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/18201
- ISSN
- 1226-9107
- Abstract
- The work presented in this paper is concerned with developing a consistent and convenient analytical method which enables us to simulate the material non-linearity. To present the complex stress-strain relationships of material, Sub-layer model has been used as a kind of numerical methods for a long time. A simple analytical formulation of macroscopic Sub-layer model is proposed for presenting the Baushinger effect, in which is represented to metallic material nonlinear behavior in cyclic loading. By using macroscopic variables, which are derived from the Sub-layer model directly, the proposed model enable us describe cyclic plasticity simply. Macroscopic formulations are employed with several surfaces and compared with the Bounding surface model. The validity of macroscopic model with comparing between the numerical result of the Sub-layer model and one of proposed model is also discussed macroscopically.
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