<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial">Thank you, I know the urms/u_tau**2 is to rescale the data, but why <br><div>(urms_pl(i)-(uavg_pl(i))**2)<br>but the other components are not? I mean minus the uavg_pl(i).<br></div><br><br><br><br><div></div><div id="divNeteaseMailCard"></div><br><pre><br>At 2014-05-29 06:56:56, nek5000-users@lists.mcs.anl.gov wrote:
>
>These are just rescalings of turbulent fluctuations
>in terms of wall units, which allows them to be compared with
>other data in the literature.
>
>
>
>On Thu, 29 May 2014, nek5000-users@lists.mcs.anl.gov wrote:
>
>> Hi,
> I'm sorry to trouble. I find these lines in set_obj subroutine
> if (f.eq.1) iobj=1 ! lower wall
> if (f.eq.3) iobj=2 ! upper wall
> so this defines which wall to be represented. Another question comes that why the urms is calculate like
> do i=1,m
> write(56,3) yy(i)+1
> & ,(yy(i)+1)*Re_tau
> & , (urms_pl(i)-(uavg_pl(i))**2)/u_tau**2
> & , vrms_pl(i)/u_tau**2
> & , wrms_pl(i)/u_tau**2
> & , uvms_pl(i)/u_tau**2
> write(57,3) yy(i) + 1.
> & , (yy(i)+1.)*Re_tau
> & , uavg_pl(i)/u_tau
> 3 format(1p15e17.9)
> enddo
>
>As can be seen,R_uu=(urms_pl(i)-(uavg_pl(i))**2)/u_tau**2, while R_vv=vrms_pl(i)/u_tau**2,why?
>
>
>
>
>
>
>在 2014-05-29 02:24:34,nek5000-users@lists.mcs.anl.gov 写道:
>
>Hi,all:
> I read Paul's reply in this mail https://lists.mcs.anl.gov/mailman/htdig/nek5000-users/2014-May/002756.html
> And got to know something about objects. As you say, the object is a collection of faces, here , I have a question about the iboj, how could I know which face it represent with iboj? As in turbChannel.usr,
> dragx_avg = alpha*dragx_avg + beta*0.5*(dragx(1)+dragx(2))
> I think it means to do the time-average of the average dragx on planey1 and planey2, as
> 0.5*(dragx(1)+dragx(2))
> indicates, while how to calculate the dragx on the planex1, planex2, planez1 and planez2? for the maxobj in this example is only 4 and dragx is defined as
> dragx(0:maxobj)
>
>Thank you
>Xianbei
>
>
>
>
>来自网易手机号码邮箱了解更多
</pre></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"><div id="netease_mail_footer"><div style="border-top:#CCCCCC 1px solid;padding:10px 5px;font-size:12px;color:#666;line-height:22px">来自网易手机号码邮箱<a id="mobile_set" sys="1" log=1 logid="free_sms_20120504" href="http://shouji.163.com" target="_blank" style="color:#0000FF">了解更多</a></div></div>
</span></span>