@Article{cmes.2022.021415,
AUTHOR = {Guojun Zheng, Zhaomin Yan, Yang Xia, Ping Hu, Guozhe Shen},
TITLE = {Peridynamic Shell Model Based on Micro-Beam Bond},
JOURNAL = {Computer Modeling in Engineering \& Sciences},
VOLUME = {134},
YEAR = {2023},
NUMBER = {3},
PAGES = {1975--1995},
URL = {http://www.techscience.com/CMES/v134n3/49755},
ISSN = {1526-1506},
ABSTRACT = {Peridynamics (PD) is a non-local mechanics theory that overcomes the limitations of classical continuum mechanics (CCM) in predicting the initiation and propagation of cracks. However, the calculation efficiency of PD models is
generally lower than that of the traditional finite element method (FEM). Structural idealization can greatly improve
the calculation efficiency of PD models for complex structures. This study presents a PD shell model based on the
micro-beam bond via the homogenization assumption. First, the deformations of each endpoint of the micro-beam
bond are calculated through the interpolation method. Second, the micro-potential energy of the axial, torsional,
and bending deformations of the bond can be established from the deformations of endpoints. Finally, the micro
moduli of the shell model can be obtained via the equivalence principle of strain energy density (SED). In addition,
a new fracture criterion based on the SED of the micro-beam bond is adopted for crack simulation. Numerical
examples of crack propagation are provided, and the results demonstrate the effectiveness of the proposed PD shell
model.},
DOI = {10.32604/cmes.2022.021415}
}