（求助）汽车驾驶运动模拟遇到问题

springck

    如题：本人只是初步对轮胎进行滑动副的设定，只是为了看看轮胎沿不同路面行驶的效果，令驾驶员速度为10，于是便开始求解计算，但是出现结果
$ E& L  X9 E: {8 S/ X: U6 M: YError No.1028105 <carbody> : Inertia moment Ixx must be greater than or equal to the double of absolute inertia moment Iyz.
Error No.1028106 <carbody> : Inertia moment Iyy must be greater than or equal to the double of absolute inertia moment Izx.
Error No.1028107 <carbody> : Inertia moment Izz must be greater than or equal to the double of absolute inertia moment Ixy.
Error No.1028105 <floor> : Inertia moment Ixx must be greater than or equal to the double of absolute inertia moment Iyz.
  ~3 h4 t* t! g# C. ?, ^, oError No.1028106 <floor> : Inertia moment Iyy must be greater than or equal to the double of absolute inertia moment Izx.
- y+ E, P0 {) P7 qError No.1028107 <floor> : Inertia moment Izz must be greater than or equal to the double of absolute inertia moment Ixy.
Error No.1028105 <rb> : Inertia moment Ixx must be greater than or equal to the double of absolute inertia moment Iyz.
1 s1 M0 r& y+ n/ i1 {3 `$ G6 |$ |Error No.1028106 <rb> : Inertia moment Iyy must be greater than or equal to the double of absolute inertia moment Izx.
Error No.1028107 <rb> : Inertia moment Izz must be greater than or equal to the double of absolute inertia moment Ixy.
Error No.1028105 <lb> : Inertia moment Ixx must be greater than or equal to the double of absolute inertia moment Iyz.
Error No.1028106 <lb> : Inertia moment Iyy must be greater than or equal to the double of absolute inertia moment Izx.
' g6 i4 ~* L0 _) v# ^' C" e4 y+ O1 xError No.1028107 <lb> : Inertia moment Izz must be greater than or equal to the double of absolute inertia moment Ixy.
: f& o) }8 r% w6 v* FError No.1028105 <rf> : Inertia moment Ixx must be greater than or equal to the double of absolute inertia moment Iyz.
$ u; c3 \, g( ?5 A4 M3 uError No.1028106 <rf> : Inertia moment Iyy must be greater than or equal to the double of absolute inertia moment Izx.
Error No.1028107 <rf> : Inertia moment Izz must be greater than or equal to the double of absolute inertia moment Ixy.
* r4 ?+ p9 r: i* rError No.1028105 <lf> : Inertia moment Ixx must be greater than or equal to the double of absolute inertia moment Iyz.
Error No.1028106 <lf> : Inertia moment Iyy must be greater than or equal to the double of absolute inertia moment Izx.
Error No.1028107 <lf> : Inertia moment Izz must be greater than or equal to the double of absolute inertia moment Ixy.
1 u2 r" U; y- a4 E% \7 }请问这是为什么啊，应该如何设置这些惯性矩呢？是不是模型出问题了啊？

刘猛猛

看起来好像是质量的定义有问题啊，轴向的惯性要大于两倍的平面法向的惯性？