Research Article
Numerical Study on the Fracture Properties of Concrete Shield Tunnel Lining Segments
Figure 3
Superposition principle for SGBEM-FEM Alternating Method: (a) the uncracked global structure modeled by simple FEM; (b) the cracked local subdomain modeled by SGBEM; (c) the FEM model subjected to residual stresses; (d) alternating solution for the original problem.
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