Abstract
Through a number of literature analysis and research, this paper investigates the reviews and comparison under the meso model for numerical simulation of crack in a finite element model (FEM), including discrete fracture model, smeared crack model, fracture mechanics crack model,bond crack model. Studies show that: compared to other fracture models , smeared crack model by eliminating the need to change the unit type and re-division unit grid computing simple and widely used for treatment of concrete cracks in finite element method, the author cites a using smeared crack model example that are discussed in the paper.
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