Table 3: Compared with the result of creep test, fitting data, and ANSYS calculated.

Time/sTest data (strain)Fitting data of Burgers modelCalculation results of ANSYS
Total strainRelative errorTotal strainRelative error

100.003070.003050.651%0.00308−0.326%
200.003140.0030961.40%0.003120.637%
300.003190.0031371.66%0.003151.25%
400.003230.0031761.67%0.003191.24%
500.003260.0032111.50%0.003221.22%
1000.003370.0033480.653%0.003331.18%
1500.003420.003437−0.497%0.003410.292%
2000.003470.003496−0.749%0.003450.576%
5000.003590.003611−0.585%0.003551.11%
10000.003670.0036550.408%0.003592.18%
15000.00370.0036910.243%0.003622.16%
20000.003740.0037280.321%0.003652.40%
26000.003770.0037720.053%0.003692.12%
36000.00380.0038010.026%0.003751.31%