A simple element-splitting model to simulate the tensile fracture of brittle materials and its experimental verification

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• 作者：Laigui Wang ; Na Zhao ; Shaopeng Ma
• 关键词：Brittle material ; Tensile fracture ; Element-splitting ; Digital speckle correlation method
• 刊名：Computational Materials Science
• 出版年：2009
• 出版时间：September 2009
• 年：2009
• 卷：46
• 期：3
• 页码：672-676
• 全文大小：1028 K

文摘

Because of the low tensile strength of brittle materials, the tensile fracture simulation is of great importance to the numerical study of the failure procedure of these materials. A simple element-splitting model is proposed in this paper to simulate the tensile fracture procedure based on finite element method (FEM). As an application of this model, the fracture procedure of a doughnut-shaped specimen is simulated and the numerical results are compared with the deformation fields’ evolution from an experiment on a granite specimen with the same geometry and same loading process. Results from the experiment verified the validation of the simulation model.