Fig. 1

Definition of the near-field group for the current pore $I $ in full space"

Table 1

Comparison of inner pressures in a single circular fluid-filled pore"

Table 2

Comparison of radial displacements at the point ($x_{1}=2r_{0}$, $x_{2}=r_{0})$ in solid media"

Table 3

Comparison of radial stresses at the point ($x_{1}=2r_{0}$, $x_{2}=r_{0})$ in solid media"

Fig. 2

Dimensionless stresses at solid media adjacent to the two and four fluid-filled pores under uniform biaxial compression in full space"

Fig. 3

Overall elastic modulus and Poisson's ratio of RVE with a single circular pore as a function of porosity ratio"

Fig. 4

Overall elastic modulus and Poisson's ratio of RVE with an elliptical pore as a function of porosity ratio"

Fig. 5

Schematics of the RVE with multiple circular fluid-filled pores in regular distribution and the definitions of the near-field group in three different cases"

Fig. 6

Overall elastic modulus and Poisson's ratio of RVE with multiple circular pores as a function of pore number $N_{I}$"

Fig. 7

Overall elastic modulus and Poisson's ratio of RVE with multiple circular pores as a function of porosity ratio under uniaxial compression"

Fig. 8

Schematics of the RVE with multiple fluid-filled pores in random distribution by position and the definition of tilting angle $\theta $ of elliptic pore"

Fig. 9

Comparison of overall bulk modulus of RVE with multiple pores between random and regular distributions as a function of porosity ratio"

Fig. 10

Comparison of CPU times for the two computing procedures, the Eigenstrain and the Subdomain, as a function of total pore numbers $N_{I}$"