大体积零件仿真出错。。。为什么呢？
两根重叠的杆（直径：20mm，长度：2.0E+006mm，质量：1.9606051433E+004），质点处设置了移动副和相应的驱动，为什么仿真无法进行呢？系统提示：ERROR: At time0.000000000E+00 the integrator is unable to proceed.Possible Causes:
(1) The accuracy required for the numerical solution can not be attained.
Relax (increase) the value of the acceptable integration ERROR.
(2) Incompatible redundant constraints, a lock up, or a bifurcation
situation.The latter two indicate a mechanism design problem.
(3) The system includes a zero (or relatively small) mass on a part with
an unconstrained translational degree of freedom.
Make sure you have mass on all parts with translational degrees of freedom.
(4) The system includes a zero (or relatively small) inertia on a part
with an unconstrained rotational degree of freedom.
Make sure you have inertias on all parts with rotational degrees of freedom.
(5) An Adams element has a function expression that equals exactly itself.
For example,
SFORCE/id1,I=id2,J=id3,ROT,FUNC=SFORCE(id1,jflag,comp,rm),and
DIFF/id4,IMPLICIT,IC=0,FUNC=DIF1(id4).
Similarly,
VARIABLE/id5, FUNC=VARVAL(id5)*TIME
equals itself at 1 second. Avoid setting an Adams element equal to itself.
ERROR: Simulation failure detected.
ERROR: Simulation failure detected. 这个错误 很多人问过了，自己搜吧
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