初始应力计算时出现错误，如下：> - RUN ANALYSIS
> INCREMENT= 1 (100.00%), ITERATION= 4, ERROR NORMS: P( 5.18E-001/ 1.0E-003) W( 1.60E-001/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=1)
> INCREMENT= 1 ( 50.00%), ITERATION= 5, ERROR NORMS: P( 6.70E-001/ 1.0E-003) W( 4.70E-001/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=2)
> INCREMENT= 1 ( 25.00%), ITERATION= 4, ERROR NORMS: P( 2.71E-005/ 1.0E-003) W( 1.82E-008/ 1.0E-006) CONVERGED
> INCREMENT= 2 ( 50.00%), ITERATION= 4, ERROR NORMS: P( 6.38E-005/ 1.0E-003) W( 6.83E-008/ 1.0E-006) CONVERGED
> INCREMENT= 3 (100.00%), ITERATION= 4, ERROR NORMS: P( 7.59E-002/ 1.0E-003) W( 1.06E-003/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=2)
> INCREMENT= 3 ( 75.00%), ITERATION= 7, ERROR NORMS: P( 2.77E-004/ 1.0E-003) W( 5.01E-007/ 1.0E-006) CONVERGED
> INCREMENT= 4 (100.00%), ITERATION= 4, ERROR NORMS: P( 1.88E-002/ 1.0E-003) W( 5.54E-003/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=3)
> INCREMENT= 4 ( 87.50%), ITERATION= 8, ERROR NORMS: P( 2.22E-005/ 1.0E-003) W( 5.65E-009/ 1.0E-006) CONVERGED
> INCREMENT= 5 (100.00%), ITERATION= 23, ERROR NORMS: P( 1.08E-002/ 1.0E-003) W( 6.58E-005/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=4)
> INCREMENT= 5 ( 93.75%), ITERATION= 23, ERROR NORMS: P( 3.92E-003/ 1.0E-003) W( 2.71E-006/ 1.0E-006)
> CONVERGENCE NOT LIKELY. BISECTING LOAD INCREMENT (BISECT LEVEL=5)
> INCREMENT= 5 ( 90.63%), ITERATION= 11, ERROR NORMS: P( 7.48E-003/ 1.0E-003) W( 2.52E-005/ 1.0E-006)
