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By: caozhentan
 +raw2ampintcor.pl resamp.pl failed in raw2amp [ reply ]
2010-Aug-01 04:29
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Dear all£º
I am using ROI_PAC£¬and I got a problem£¬it as follows£º
make_offset.pl already done
Ended at offsets
root@ubuntu:/media/±¾µØ´ÅÅÌ/CZT/yanhzou1# process_2pass.pl int.proc offsets resamp
+process_2pass.pl Read the inputfile
+process_2pass.pl Define Variables
+process_2pass.pl Go from raw to slc to int and cor (also flattens with orbits)
+raw2ampintcor.pl Check Doppler values
+raw2ampintcor.pl Make ROI Input Files
+raw2ampintcor.pl Make Baseline files
+raw2ampintcor.pl Running ROI
+raw2ampintcor.pl Get offsets
+raw2ampintcor.pl Do the interferogram
+resamp.pl Checking I/O
100509-100613_cull.off does not exist or is not readable
+raw2ampintcor.pl resamp.pl failed in raw2ampintcor.pl
+process_2pass.pl raw2ampintcor.pl failed in process_2pass.pl
Can anyone help me£¿
Thank you very much£¡
caozhentan
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By: caozhentan
ROI_PAC: processing ENVISAT data has problem [ reply ]
2010-Jul-20 05:31
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I am using ROI_PAC in the Linux system ,and I am processing ENVISAT ASAR data.I got a problem,it is as follows:
Creating ampmag.off
Creating ampmag.in
Creating ampmag.out
+offset.pl Reading resource file: 080921-081026_4rlks.cor.rsc
+offset.pl Reading resource file: SIM_4rlks.hgt.rsc
+offset.pl Writing resource file: ampmag.off.rsc
+offset.pl Writing input_file: ampmag.in
+offset.pl /ROI_PAC_3_0_1/ROI_PAC/INT_BIN/ampcor ampmag.in rds > ampmag.out
+synth_offset.pl Culling points
Too few points left after culling, 1 left
+dem2diff.pl synth_offset.pl failed in dem2diff.pl
+process_2pass.pl dem2diff.pl failed in process_2pass.pl
I write "process_2pass.pl int.proc" in the teminal,then it showed the problem above.
Please give me some help or advise,thank you very much!
PS: I wander if I can redo this step and write "process_2pass.pl process_infile[raw slcs] to check where the problem came from.If I do it like this ,do I need to delete all the files that has been generated by the command"process_2pass.pl int.proc".
Thank you again for looking my problems.
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By: Happyguy
About acpatch.f [ reply ]
2010-Jul-01 12:37
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Dear, all.
Recently, I read the code of ACpatch.f; and am confused about the setting of doppler rate parameter, in particular,
%========================
r(i) = r0 + float(i-1)*delr
f0(i) = fd + ( fdd + ( fddd+fdddd*r(i) ) *r(i) )*r(i)
th=dacos(((ht+re)**2+r(i)*r(i)-re**2)/(2.d0*r(i)*(re+ht)))
if(i_lrl .eq. 0) then
sinsqref = f0(i) * wavl/(2.d0*vel*sin(th))
f_rate(i) = (2.d0/wavl)*(acc*cos(th)+((vel*sinsqref)**2-vel**2)/r(i))
else
c replace with an even more exact expression for chirp rate
thaz = asin(((wavl*f0(i)/(2.d0*sin(th)))+(r_platvel(3)/tan(th)))/
$ sqrt(r_platvel(1)**2+r_platvel(2)**2))-i_lrl*atan(r_platvel(2)/r_platvel(1))
r_lookvec(1) = sin(th)*sin(thaz)
r_lookvec(2) = sin(th)*cos(thaz)*i_lrl
r_lookvec(3) = -cos(th)
r_vdotl = dot(r_lookvec,r_platvel)
r_adotl = dot(r_lookvec,r_platacc)
f_rate(i) = 2.d0*(r_adotl + (r_vdotl**2 - r_veln**2)/r(i))/(wavl)
%=================================================
I have checked some publications about it; unfortunately, still cant resolve it.
If somebody know it, please help me, or tell me which paper this code used. Thanks a lot for your help in advance.
Best wishes and regards
LI
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By: dileep
Non linear analysis [ reply ]
2010-May-09 12:29
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i am performing non linear analysis in NASTRAN .Can i include too many load steps in an single non linear solution ..... Can anyone help me regarding this.
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By: admin
RE: NASA CEA [ reply ]
2010-Feb-22 10:40
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We are delighted to find that there is a more recent copy of the CEA software available free of charge from the NASA Glenn site, We encourage visitors to our site to take advantage of this resource.
Open Channel Software partners with the National Technology Transfer Center to make programs from the NASA Cosmic Collection available to the public. We are obligated to impose the same export restrictions that were in place at the time that Open Channel took over distribution of the software. The prices established by the original distributors of the COSMIC collection still apply.
Characterizing our organization as "dirty", "stupid" and "unfair" does not contribute to the open exchange of ideas.
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By: Rafrig
Request of ROI_PAC for educational purpose [ reply ]
2009-Sep-02 09:43
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Dear All,
I work as support to ESA EO R&D Section and I will attend the ROI_PAC Short Course in Naples (Dr. Sansosti, Dr.Borgstrom and Dr. Fielding are in charge of it)so I need to install in my laptop the software ( and also the MDX tool which I have already requested to JPL) for this educational purpose.
I just submitt my second request ( I did not get new from the previous one ..hope it is not lost) and i got this message:Request ROI_PAC
Order # 28568 processed
An email with download instructions has been sent to the email address you entered.
Thank you for your interest in the Open Channel Foundation!
But I did not receive any email from you.
I hope it will be possible to speed up my request given that the course will start il less than 2 weeks and I would like to familiarize a little with ROI_PAC . For any comunication i left my work-email my personal one is rafrigraz@yahoo.it .Hope to get soon your news.
Best regards.Raffale
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By: indraindra
indra [ reply ]
2009-Jun-04 08:59
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Good afternoon,
I am installing ROI PAC 3.0 on a Linux machine. I have followed the instructions. I have installed the cc, gcc and g95 fortran compilers. Also I have installed FFTW 3.1.2 library. The problem is executing "./multibuild.sh". It does not work correctly. In the "g95-build-log" file the error is: "configure.ac: error: Autoconf version 2.59 or higher is required.
configure.ac:4 the top level.
autom4te:/usr/bin/m4 failed with exit status: 1
gmake:*** [/home/epsie/ROI_PAC/ROI_PAC_V2/ROI_PAC_3_0/ROI_PAC/configure]Error1"
Thank very much.
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By: sharonhawkins
Alternative to Microsoft Project Server [ reply ]
2009-Apr-07 03:20
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One of the best alternatives that I have found to Microsoft Project Server is called ValleySpeak Project Server at http://www.valleyspeak.com.
The main reason I liked the product is because it has very similar functionality as Microsoft Project Server but is drastically cheaper and is available as a hosted product so my mid-sized company does not have to worry about installing, upgrading and maintaining.
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By: siddhu
finding exhaust system hanger locations [ reply ]
2008-Mar-21 01:14
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hello everyone,
i am doing nvh analyis of exhaust system of automobile.the problem is how can i find out hanger locations ,is there any method for identifying in nastran ,i am using hypermesh as preprossesor.could you please anybody help me out.
i want to find the hanger locations ,such as minimum vibration can be transfered to body.
regards
siddhu
NVH
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By: gspatel
How to simulate welding phenomena in Ansys [ reply ]
2008-Feb-07 23:28
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i want to simulate heat affected zone (HAZ) in Ansys. I thought to use the same technique which is given in Ansys Tutorial-Solodification of Casting,which is non-linear trnsient thermal anylysis. Do you have any idea or experience in such type of welding analysis/simulation in Ansys? It is part of my M.Tech. project.
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By: mahdad_i
Tooth Morphology [ reply ]
2007-Sep-21 10:52
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I have downloaded that software but it doesnt run? what should I use to open the files. This is what I get when I click on the files " this application has failed to start because MFC30.DLL was not found. Re-installing the application may fix this." reinstalling what application??? I appreciate your help. Thanks
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By: mukho
longitudinal welding on Pipe [ reply ]
2007-Apr-06 06:17
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Can anybody help me how to have a longitudinal welding done on a cross country pipeline for electrical tracing. ASME 31.8 does not allow longitudinal welds, it recomends encircling member over the bare pipe.We cannot increase the thickness and nor can we put a encircling member over it.
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By: zagadepramod
HOT METAL FORMING SIMULATION IN ANSYS [ reply ]
2007-Mar-27 09:10
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HOT METAL FORMING SIMULATION IN ANSYS : I am trying to simulate a 3D Metal Froming situation involving large deformation rate dependent plasticity (viscoplastic). Problem also involves thermal analysis: heat flow by convection, conduction; heat generated due to plastic deformation and due to friction etc. The structural properties depend on the increasing temperatures. Please suggest me the element in ANSYS that can be used for this kind of structural (large defrmation plasticity) + thermal (transient) analysis.
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By: JOLGAF
RE: HOT METAL FORMING SIMULATION IN ANSYS [ reply ]
2007-Sep-13 22:18
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Hi ... i am working in the same area and i would like to do the same simulation in 2d so any body know the proper element for this simulation
i am using VISCO106 element for static analysis
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