标题: 仿真问题 [打印本页] 作者: sy7758 时间: 2005-6-8 19:13 标题: 仿真问题 请教各位高手：我在adams/view中建立的汽车悬架模型，出现以下警告，不知什么原因。望帮帮小弟。谢谢！
WARNING: An anomalous situation has been detected for TIRE b_jeep.TIRE_1.
The moment arm for normal force (Fz) that causes the
rolling resistance moment (Ty) is greater than the allowable
maximum of 1/2 the length of the contact patch.
CRR = 5.6250
CRR_max = 2.36568E-02
WARNING: For TIRE b_jeep.TIRE_3 the absolute value of the longitudinal slip ratio
has gone beyond its maximum allowable limit of 1.0.
Longitudinal slip ratio = 4.97331E+06.
If the longitudinal slip ratio is positive, it will be set
to 1.0 (braking). If the longitudinal slip ratio is
negative, it will be set to -1.0 (traction).作者: hero75816 时间: 2005-6-8 20:38
很清楚是你的 Longitudinal slip ratio = 4.97331E+06取值太大了， Longitudinal slip ratio 得范围在+1~-1，不填为-1作者: sy7758 时间: 2005-6-9 16:28
感谢你的解答。想问一下，在哪里修改 Longitudinal slip ratio
tire文件中吗还是………………
再次感谢！作者: hero75816 时间: 2005-6-10 08:31
查看李军出的书中的有关整车模型的例子，里面有关于轮胎文件参数的解释，或者察看帮助文档，个人认为应该在轮胎文件里修改。作者: sy7758 时间: 2005-6-11 10:03
感谢hero75816的热切解答，在下不胜感激！不过 Longitudinal slip ratio 的设置好象只有一个固定值，如何设置 Longitudinal slip ratio 啊？我试着改了几个值，问题还在。还望高手帮小弟看看！