求助!

在做模拟的时候遇到下面的这2种提示的时候该如何处理?
1.
STEP NUMBER = 4381
================================
Time/Stroke: 6.24339E+00 1.62328E+01
Av/Cr Srate: 1.00000E+00 1.00000E-02
Force(2): 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00
Force(3): 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00
Force(4): 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00
Geometric Properties of Ring
------------------------------
Vol/Area: 2.18004E+07 2.05569E+04
Rmax/min: 2.48208E+02 8.78617E+01
Center : -3.57150E-04 -1.33946E+00 0.00000E+00
Axis : 0.00000E+00 0.00000E+00 1.00000E+00
Contact Status
Object New-Contact Separation Steady-Contact
----------------------------------------------------
2 0 2 5
3 35 32 198
4 72 80 210
----------------------------------------------------
ITERATION VELOCITY VELOCITY FORCE ROTATIONAL SOLUTION
NUMBER NORM ERROR NORM ERROR NORM VELOCITY TIME(sec)
1 2.9816208E+05 2.2928618E+00 2.6565367E+14 7.1744276E-03 4.74
2 1.2235183E+05 9.7317642E-05 4.1918569E-03 7.1157690E-03 4.67
3 1.2145998E+05 3.8820726E-04 6.8305381E-04 7.4656369E-03 4.67
4 1.2550521E+05 1.6567191E-04 5.3995597E-04 7.2188734E-03 4.67
5 1.2319888E+05 3.3713526E-04 2.8222293E-04 7.5597760E-03 4.74
6 1.2690903E+05 1.9962596E-04 5.5248911E-04 7.2828350E-03 4.67
7 1.2431551E+05 2.9019219E-04 3.9499751E-04 7.6119966E-03 4.74
8 1.2756125E+05 1.9432008E-04 5.5640165E-04 7.3303612E-03 4.74
9 1.2515466E+05 2.3392538E-04 5.0402418E-04 7.6381097E-03 4.67
10 1.2781713E+05 1.6447560E-04 5.8178213E-04 7.3728523E-03 4.67
Time Step Information 0
--------------------------
Previous/Current Step: 1.00000E-03 1.00000E-03
Current Rotation(deg): -3.64164E-04
Tot Rotation(deg/rev): 9.16024E+02 2.54451E+00
1 1 0 0 3 0
Error: variable update 1
另一种情况是:
Error: mesh update 194