Hallo
Moreover, you do not need to define C and H components as individual
materials, since they are already in the list of pre-defined ones (chapter
5).
Cheers
Francesco
**************************************************
Francesco Cerutti
CERN-EN/STI
CH-1211 Geneva 23
Switzerland
tel. ++41 22 7678962
fax ++41 22 7668854
On Wed, 7 Jan 2015, Alberto Fasso wrote:
> Read the manual!
>
> Note 1) to option COMPOUND:
>
> 1) Option COMPOUND must always be used in conjunction with a MATERIAL
> card having the same SDUM name (see MATERIAL). MATERIAL cards used
> for this purpose provide the density of the compound, its
> material number and name (WHAT(1) and WHAT(2) of the MATERIAL option,
> namely atomic number and weight, are ignored).
>
> Unless the elements specified by MATERIAL are used also separately as
> single elements, their density is irrelevant.
>
> Read the manual!
>
> Alberto
>
>>
>> Dear Experts,
>>
>>
>> I’m a novice of Fluka. Recently, I wish to transport neutrons (a part
>> of them with energy less than 20 MeV) generated by proton, and there is a
>> material of ordinary polyethylene (CH2) as shielding in the model.
>> Firstly, I define individual element (C & H) with low-mat card, as shown
>> in figure below. And now I have a little confusion about the density
>> of individual element, which is used to define compound (or alloy,
>> mixture), in the material card. Is it mass density of natural free element
>> (such as the density in Elements Table in Fluka) or weight of
>> corresponding element in the compound/alloy/mixture per volume or
>> something else?
>>
>>
>>
>>
>> [IMAGE]
>>
>>
>> Thanks.
>>
>>
>> Best regards,
>>
>>
>>
>> __________________________________________________________________________
>>
>> 致
>>
>> 礼
>>
>>
>>
>> 刘盼 Pan LIU
>>
>>
>>
>> 发展先进核能科技 让人类生活更美好!
>>
>> 中国科学院核能安全技术研究所·FDS团队
>>
>> 中国科学院中子输运理论与辐射安全重点实验室
>>
>> Institute of Nuclear Energy Safety Technology, CAS·FDS Team
>>
>> Key Laboratory of Neutronics and Radiation Safety, CAS
>>
>> 地址：安徽省合肥市蜀山湖路350号1135号信箱
>>
>> 电话/传真：0551-65593076/0551-65593681
>>
>> P.O Box 1135, No.350, Shushanhu Road, Hefei, Anhui, 230031, China
>>
>> Tel/Fax: +86 551 65593076/+86 551 65593681
>>
>> [IMAGE]
>>
>> www.fds.org.cn
>>
>>
>>
>
You can manage unsubscription from this mailing list at
https://www.fluka.org/fluka.php?id=acc_info
Received on Wed Jan 07 2015 - 13:10:00 CET