Table 4.

Differences between theoretical and numerical results.

Model	The Difference $\left|{\mathit{E}}_{\mathit{c}}^{\mathit{V}}-{\mathit{E}}_{\mathit{c}}^{\mathit{D}\mathit{C}}\right|$ (GPa)	Percentage Error $\frac{\left|{\mathit{E}}_{\mathit{c}}^{\mathit{V}}-{\mathit{E}}_{\mathit{c}}^{\mathit{D}\mathit{C}}\right|·100\mathbf{\%}}{{\mathit{E}}_{\mathit{c}}^{\mathit{D}\mathit{C}}}$ (%)	The Difference $\left|{\mathit{E}}_{\mathit{c}}^{\mathit{R}}-{\mathit{E}}_{\mathit{c}}^{\mathit{D}\mathit{C}}\right|$ (GPa)	Percentage Error $\frac{\left|{\mathit{E}}_{\mathit{c}}^{\mathit{R}}-{\mathit{E}}_{\mathit{c}}^{\mathit{D}\mathit{C}}\right|·100\mathbf{\%}}{{\mathit{E}}_{\mathit{c}}^{\mathit{D}\mathit{C}}}$ (%)
homogeneous concrete model	0.08	0.309	0.08	0.309
A1	1.232	4.065	1.66	5.477
A2	5.041	17.111	0.831	2.820
A3	2.338	6.625	3.040	8.614
B1	2.808	9.772	0.084	0.292
B2	5.381	18.479	1.171	4.021
B3	1.939	5.433	3.439	9.636
C1	1.842	6.265	0.750	2.551
C2	5.396	18.540	1.186	4.075
C3	0.153	0.408	5.225	13.943