Re: Re: [fluka-discuss]: the activity of residual simulated is not satisfied with the actual activity

From: 陈建琪 <chenjianqi_at_impcas.ac.cn>
Date: Sun, 2 Nov 2014 23:25:18 +0800 (GMT+08:00)

Dear Paola
     I compared my resluts with others and found that my value was lower than the others especially in the medium nuclide. What's more, I had a doubt about the same activity acquired by simulation in special nuclide after a short term, like 178Ta and 178W , 128Cs and 128Ba, 66Cu and 66Ni and so on. I known they are on the decay chain, but I didn't understand why they would have the same activity but not a certain ratio when they reached transient equilibrium. I wonder if you have some good suggestions for me?
 Regards
 Jianqi


-----原始邮件-----
发件人: "paola sala" <paola.sala_at_cern.ch>
发送时间: 2014年10月30日 星期四
收件人: "陈建琪" <chenjianqi_at_impcas.ac.cn>, fluka-discuss_at_fluka.org
抄送:
主题: Re: [fluka-discuss]: the activity of residual simulated is not satisfied with the actual activity

Dear Jianqui
could you, please, explain in more detail what is
"the consequence acquired by paper" and what is the difference with simulation?
At a first check, I see no problem in your input, except for the fact that the geometry is defined with many RCC having some of the surfaces in common. This could cause some rounding errors, but should not be a major problem. Maybe I'm missing something.
Regards
Paola

On 10/30/2014 01:37 PM, 陈建琪 wrote:

Dear fluka experts
     Recently I used fluka to simulate the activity of residual. I found that the results was lower than the consequence acquired by paper, especially the activity value of medium nuclide. I didn't know what parameter I set was wrong. So I attached my input card in attatchment to seek help from you! Thank you in advance!

    Best regards
                                                                                                ! ; Jianqi Chen








Received on Sun Nov 02 2014 - 18:13:23 CET

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