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점진적 최적화 기법에서 불규칙 삼각망을 이용한 평면구조의 응력경로 탐색모델의 개발

Development of a Stress Path Search Model of Evolutionary Structural Optimization Using TIN

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Abstract

Stress Path Search Model of Evolutionary Structural Successive Optimization (SPSMESO) using Triangular Irregular Network(TIN) was developed for improving over burden at initial design of ESO and strict stress direction of strut-and-tie model and truss model. TIN was applied for discretizing structures in flexible stress path and segments of TIN was analyzed as one-dimensional line element for calculating stress. Finally, stress path was searched using ESO algorithm. SPSMESO was efficient to express the direction of stress for 2D structure and time saving.

참고문헌 (11)

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  4. "Reliability Analysis Modeling of Frame Structures based on Discretized Ideal Plastic Method" (1991), Seoul National University
  5. "Optimal Topology of Bracing Systems for Multistory Steel Frames, ASCE J. of Structural Engineering", 126(7), pp.823~829 (2000)
  6. "Toplogy Optimization of Strut-and-Tie Models in Reinforced Concrete Structures using an Evoloutionary Procedure", 97(2), pp.322~330 (2000)
  7. "Generation of High-Quality Gradation Finite Element Mesh", 41
  8. "Truss Models in Detailing", pp.8366~73 (1985)
  9. "Journal of Structural Engineering. ASCE"
  10. "Evolutionary Structural Optimization with FEA", pp.27~34 (1993)
  11. "A Study on the reinforced Concrete using Evolutionary Structural Optimization", 44(2) (2001), Journal of KSAE

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