[求助]DPM模型运算出错，哪位大侠遇到过，不吝赐教！！

wdy10042003

我做的是脱硫喷淋塔气液两相流，湍流模型是ＲＮＧｋ－ｅ，ＤＰＭ是按非稳态算得时间步长是０．０００１ｓ，壁面用的是ｗａｌｌ－ｆｌｉｍ模型
大概运算了一千多部的时候，在喷粒子的时候总是弹出
Advancing DPM injections ....
Injecting 90 particles
Error:
FLUENT received fatal signal (ACCESS_VIOLATION)
1. Note exact events leading to error.
2. Save case/data under new name.
3. Exit program and restart to continue.
4. Report error to your distributor.
Error Object: ()
请问有人知道这是哪里出错了？