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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.23 No.3
- 발행연도
- 2019.1
- 수록면
- 171 - 188 (18page)
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This study proposed a new and efficient 2D damage-plasticity model within the framework of Isogeometric analysis (IGA) for the geometrically nonlinear damage analysis of concrete. Since concrete exhibits complicated material properties, two internal variables are introduced to measure the hardening/softening behavior of concrete in tension and compression, and an implicit gradient-enhanced formulation is adopted to restore the well-posedness of the boundary value problem. The numerical results calculated by the model is compared with the experimental data of three benchmark problems of plain concrete (threepoint and four-point bending single-notched beams and four-point bending double-notched beam) to illustrate the geometrical flexibility, accuracy, and robustness of the proposed approach. In addition, the influence of the characteristic length on the numerical results of each problem is investigated.
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참고문헌 (76)
참고문헌 신청
Anitescu, C. / 2015 / An isogeometric collocation method using superconvergent points / Comput. Meth. Appl. Mech. Eng 284:1073~1097
Areias, P. / 2016 / Damage and fracture algorithm using the screened Poisson equation and local remeshing / Eng. Fract. Mech 158:116~143
Areias, P. / 2013 / Initially rigid cohesive laws and fracture based on edge rotations / Comput. Mech 52(4):931~947
Areias, P. / 2014 / Finite strain fracture of 2D problems with injected anisotropic softening elements / Theor. Appl. Fract. Mech 72:50~63
Areias, P. / 2013 / Elementwise fracture algorithm based on rotation of edges / Eng. Fract. Mech 110(3):113~137
Areias, P. / 2016 / Damage and fracture algorithm using the screened Poisson equation and local remeshing / Eng. Fract. Mech 158:116~143
Areias, P. / 2013 / Initially rigid cohesive laws and fracture based on edge rotations / Comput. Mech 52(4):931~947
Areias, P. / 2014 / Finite strain fracture of 2D problems with injected anisotropic softening elements / Theor. Appl. Fract. Mech 72:50~63
Areias, P. / 2013 / Elementwise fracture algorithm based on rotation of edges / Eng. Fract. Mech 110(3):113~137
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