你好 我在计算基坑开挖步骤的时候出现这些是怎么回事??
> INCREMENT= 1 (100.00%), ITERATION= 4, ERROR NORMS: P( 9.54E-001/ 1.0E-003) W( 4.24E-001/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=1)
> INCREMENT= 1 ( 50.00%), ITERATION= 4, ERROR NORMS: P( 8.94E-001/ 1.0E-003) W( 4.09E-001/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=2)
> INCREMENT= 1 ( 25.00%), ITERATION= 9, ERROR NORMS: P( 9.04E-001/ 1.0E-003) W( 1.61E-003/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=3)
> INCREMENT= 1 ( 12.50%), ITERATION= 10, ERROR NORMS: P( 9.36E-001/ 1.0E-003) W( 1.81E-003/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=4)
> INCREMENT= 1 ( 6.25%), ITERATION= 10, ERROR NORMS: P( 5.68E-001/ 1.0E-003) W( 9.02E-003/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=5)
> INCREMENT= 1 ( 3.13%), ITERATION= 49, ERROR NORMS: P( 2.30E-001/ 1.0E-003) W( 2.48E-004/ 1.0E-006)
> WARNING [4024] : FAILED TO CONVERGE IN NONLINEAR ANALYSIS. LOAD INCREMENT=1.
> INCREMENT= 2 ( 6.25%), ITERATION= 49, ERROR NORMS: P( 2.65E-001/ 1.0E-003) W( 4.47E-006/ 1.0E-006)
> WARNING [4024] : FAILED TO CONVERGE IN NONLINEAR ANALYSIS. LOAD INCREMENT=2.
> INCREMENT= 3 ( 12.50%), ITERATION= 4, ERROR NORMS: P( 9.91E-001/ 1.0E-003) W( 5.74E-003/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=5)
> INCREMENT= 3 ( 9.38%), ITERATION= 49, ERROR NORMS: P( 2.72E-001/ 1.0E-003) W( 1.25E-004/ 1.0E-006)
> WARNING [4024] : FAILED TO CONVERGE IN NONLINEAR ANALYSIS. LOAD INCREMENT=3.