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Search: Posts Made By: Liufeng_ustb
Forum: FLUENT May 16, 2013, 05:09
Replies: 11
Views: 3,049
Posted By Liufeng_ustb
I will try it right now. However, I have...

I will try it right now.

However, I have another questions. The smaller time step size I set, does it mean the more suitable it is (except long time running)? Is time step size related to or...
Forum: FLUENT May 16, 2013, 04:42
Replies: 11
Views: 3,049
Posted By Liufeng_ustb
Yeah, I decreased it to 0.0002s. But it still...

Yeah, I decreased it to 0.0002s. But it still didn't work. Should I continue to decrease it?

I double if my udf is something wrong, but I can not find it
Forum: FLUENT May 16, 2013, 03:51
Replies: 11
Views: 3,049
Posted By Liufeng_ustb
Problem Description

1.The reactor is a cylindrical furnace. (diameter: 0.05m; height: 0.3m)

2.The whole bottom is the inlet of the gas.

3.The reduction process can be described as follows: At first, put the solid...
Forum: FLUENT May 16, 2013, 03:39
Replies: 11
Views: 3,049
Posted By Liufeng_ustb
Well, well. I am so sorry, I am too worried about...

Well, well. I am so sorry, I am too worried about my thesis, I just forgot what meaning the forum is. Forgive me.

/*This UDF aims to define the reaction rate requied to simulate the reduction of...
Forum: FLUENT May 16, 2013, 03:20
Replies: 11
Views: 3,049
Posted By Liufeng_ustb
I don't know why. But sometimes when I open...

I don't know why. But sometimes when I open contours where I can Heterogeneous Rate and Species, it shows that it reacts which means my udf is truely loaded.

However, it always is of divergence....
Forum: FLUENT May 15, 2013, 03:55
Replies: 11
Views: 3,049
Posted By Liufeng_ustb
Post Help me check my model

Hi friends. I need your help eagerly. If you are willing to help, please send your e-mail id to me, I can tell you more info, or I send you to my mesh and my case and my udf.

My e-mail is...
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