Ubiquitiformal fracture energy
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State Key Laboratory of Explosion Science and Technology, School of Mechatronics, Beijing Institute of Technology, Beijing
Publication date: 2017-07-15
Journal of Theoretical and Applied Mechanics 2017;55(3):1101–1108
The ubiquitiformal fracture energy is proposed in the paper and its explicit expression is obtained. Moreover, the numerical results for concrete are found to be in good agreement with those for the critical strain energy release rate. The discrepancy between the numerical results of the traditional fracture energy and the critical strain energy release rate can be explained reasonably, which implies that the ubiquitiformal fracture energy should be taken as an available fracture parameter of materials. Finally, it is numerically found for some concrete that there is not size effect for the ubiquitiformal fracture energy.