Activity for AcouSTO
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William Cleeve posted a comment on discussion Help
I am trying to install AcouSTO on a university managed MacBook Pro and the IT group has told me to ask you for: 1. Exe setup file or .msc 2. MAC book software installation guide – AcouSTO They say that because the user manual is for a Unix-like Oss it doesn’t work quite the same. Are the prerequisites for a Mac installation different from the prerequisites for a Unix-like installation?
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honestguvnor posted a comment on discussion Open Discussion
My interest is an easy to understand and use "teaching" BEM code to be developed in the open. I had initially been considering forking and modifying acousto for this purpose if the project was dead. Since it is not dead I have no wish to fork it and I would guess the current group of developers have no wish to have their code substantially reworked to serve my purposes (I sure wouldn't!). Anyway, as mentioned above, I changed direction and put together the bulk of a basic BEM code last week and although...
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Umberto Iemma posted a comment on discussion Open Discussion
We appreciate your effort, and the fact that you make it available. The problem that I see is that the acousto project is an academic project that follows a strict and rigorous scientific approach in implementing an original BIE formulation. Even if the current released version is limited to static acoustics, it is part of a much more complex code developed throughout the last three decades. The formulation used in acousto is not standard and presents a number of peculiarities in many aspects of...
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Thanks for the reply. When I didn't get a response after a few days I started fixing the code. Replaced autotools (which is complicated and wasn't working) with a few lines in cmake files which then built on linux and windows, fixed the globals/extern (I have no idea how the code ever compiled?), fixed the deprecated and removed mpi part, added python driver, minor fixes for windows platform, plus likely one or two other minor things. The code then ran on current linux and windows platform (and possibly...
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Hi honestguvnor. The project is still active, even if the current distribution is pretty old. The development is now followed by Lorenzo Burghignoli e Giorgio Palma, two of my collaborators. They have developed a newer version with major improvements of the formulation, including new regularization techniques and the possibility to include moving sources and scatterers. I don't know when they plan to release the new version. BTW, the code compiles and runs well also against current version of libraries,...
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The software was last changed in 2017 and doesn't compile against current libraries. I am considering a fork but only if this project has been dropped by the authors. Is this the case?
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Max Funk posted a comment on discussion Help
Hallo Kevin, when I figured out, how to compile the acousto program files, then I found two essential issues: the first was to link to the right lapack library; best solution was: ln -s /usr/lib/x86_64-linux-gnu/libscalapack-openmpi.a /usr/lib/x86_64-linux-gnu/libscalapack.a or alternatively, if your distribution has a dynamic library (check the respective file for existence): ln -s /usr/lib/x86_64-linux-gnu/libscalapack-openmpi.so /usr/lib/x86_64-linux-gnu/libscalapack.so the second issue was: The...
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Kevin Michel posted a comment on discussion Help
Maybe the question is better adressed to its developer @Umberto_Iemma :D
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Hey Max :) I tried the installation procedure on my own and also used your .sh file. Unfortunately, I get the following error: collect2: error: ld returned 1 exit status make[1]: *** [Makefile:755: acousto] Error 1 make[1]: Leaving directory '/home/railon/Shell-Installation/acousto-2.0/src' make: *** [Makefile:352: all-recursive] Error 1 I took a look inside the makefile in the src directory, but I cannot figure out, what the problem is. The line of code I guess is causing the error is: acousto$(EXEEXT):...
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Nazalli choucha posted a comment on discussion Help
Thanks for your help. It makes things more clear. I'll try that. Regards,
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Giorgio Palma posted a comment on discussion Help
Hi Nazalli, the easiest way I can imagine at the moment is to analyse the mesh you are going to use for your calculation and identify the elements for which you want to define a custom impedance. Then, using custombc=1, you can define a set of files for lambda, gamma, f and g in which the desired values are given to each mesh element. In this way each element can have a different value for all the coefficient satisfying your impedance law Z(x,y). This last task could be done manually, or also writing...
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Hello, How can I define a custom impedance for a wall in acousto 2.0. I want to define a variable impedance using the coordinate system : Z(x, y). The giving example for the sphere divide the geometry into 48 slices. How the geometry is divided if the it is a plate (the x-y plane) ? Regards,
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Given the developments to acousto over the last few years (and I think someone mentioned a change in direction?) is it worth my while to modify the current code to fix whatever is causing it to abort (possible double free during shutdown which did not prevent testing) and, more importantly, modify the user interface to better support engineering studies. Also I note that project development has taken place for several years outside the public repository. Is this way of working likely to continue...
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Hallo Giorgio, many thanks for your investigation and your reply :-) It's valuable to see that custombc 2 does no more than writing the boundcond file and then performing the same as custombc 1 I have now created the boundcond with a simple script file; perhaps it could be attached to the RoomAcoustics tutorial; I attach it below... As a feedback, I wanted to say, that at the moment I prefer custombc=0 because in a simple calculation I need just a frequency-independent absorption coefficient, which...
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Hello Max, I made a couple of tests and dug into our commits. The bad news is that you found a bug of acousto2.0. The good news is that it had been already discovered some time ago while we were developing acousto, and it is fixed in the v2.5, which is going to be released very soon. At the moment, a way I can imagine to overcome the issue is to let custombc=2 to write a the bc files with nome=1, and then use custombc=1 with wathever nome. All the best, Giorgio
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Hello Max, I made a couple of tests and dug into our commits. The bad news is that you found a bug of acousto2.0. The good news is that it had been already discovered some time ago while we were developing acousto, and it is fixed in the v2.5, which is going to be released very soon. At the moment, a way I can imagine to overcome the issue is to let custombc=2 to write a the bc files with nome=1, and then use custombc=1. All the best, Giorgio
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Hello Max, I made a couple of tests and dug into our commits. The bad news is that you found a bug of acousto2.0. The good news is that it had been already discovered some time ago while we were developing acousto, and it is fixed in the v2.5, which is going to be released very soon. At the moment, you are right, the only way I can imagine to overcome the issue is to write a huge number of bc files and use custombc=1, which is what custombc=2 does automatically. All the best, Giorgio
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thank you Max for your precious work. I'll investigate this and come back with something as soon as possible!
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Hallo Acousto team, Giorgio, I investigated further custom boundcond 2 and everything is fine when the number of frequencies nome =... equals the number of boundary conditions, e.g. gmshbc=["wall%d",...]; nome=3; ... wall0={...}; wall1={...}; wall2={...}; ... or gmshbc=["wall",...]; nome=1; ... wall={...}; ... However, if nome is greater than the number of given conditions, even with frequency independent conditions gmshbc=["wall","ceil", "floor"]; nome=3; ... wall={...}; ceil={...}; floor={...};...
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Thanks for the info.
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To put it short; I like very much this feature: boundary condition with gmsh and physical tags, and on the other side I would like to use the impedance boundcond - is it possible to combine these?
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I didn't investigate it already, but from the definition of the general boundary condition (6.12) in the users guide, I have to provide gamma, lambda and f. However, if I have to provide a constant boundcond for the frequency response, I would prefer to give a constant absorption alpha (not a constant gamma); so the question would be then, could I provide impedance, lambda and f - is that implemented for the boundcond 2?
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Hallo Giorgio, thank you for the reply and the help That was it, I didn't see that the definition of the custombc had to be outside the modsol structure.... Now it calculates well :-))
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no, at the moment the user is responsible to provide a number of boundary conditions equal to the number of frequencies to evaluate for each bc group (floor0, floor1, ... walls0, walls1, etc. in your case), or to provide a non frequency dependent bc for each group (floor, walls, etc.)
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Dear Max, I found two problems in the acousto input file: the structures defining the custom bc must be outside of the modsol structure: modsol={ # solver module active=1; [...] } ceil0={ tag = 15; re_lambda = 1.0; im_lambda = 0.0; re_gamma = 0.0; im_gamma = -23.813; # alpha=0.25, f=325Hz }; all the physical tags present in the msh file must be defined in the cfg file: modsol={ # solver module [...] gmshbc=["ceil%d", "floor", "wall"]; (OR gmshbc=["ceil%d", "floor%d", "wall%d"]; depending if you want...
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In the boundary condition I have two frequencies... There is also the question, if I would calculate e.g. a frequency response, does the program make an interpolation for the frequency dependent boundary condition?
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Hallo Giorgio, thank you, that's a great offer :-) I include the project files below...
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">Dear Max, if you would provide me the input files set you are trying I'll be glad to help you!All the bestGiorgioIl 29 apr 2021 16:08, Max Funk <mf3@users.sourceforge.net> ha scritto:Hello Umberto Iemma, many thanks for your program... I tried to convert the tutorial: Room_Acoustics to the new boundary conditions custombc=2 with the physical tags of the gmsh file. But now I get an error message: 2021-04-29 15:33:56 DEBUG [1/1] modsolinfo->custombc=2...
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Dear Max, if you would provide me the input files set I'll be glad to help you and solve the problem!
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Dear Max, if you would provide me the input files set I'll be glad to help you and solve the problem!
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Hello Umberto Iemma, many thanks for your program... I tried to convert the tutorial: Room_Acoustics to the new boundary conditions custombc=2 with the physical tags of the gmsh file. But now I get an error message: 2021-04-29 15:33:56 DEBUG [1/1] modsolinfo->custombc=2 2021-04-29 15:33:56 DEBUG [1/1] Allocating 24 for sizeof(struct phystag)*config_setting_length(phystagcont) 2021-04-29 15:33:56 INFO [1/1] n physical tags = 3 2021-04-29 15:33:56 DEBUG [1/1] reading physical tag [floor] 2021-04-29...
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Finally, I did some code cleaning and better commenting in my script. The function is not changed. Best regards
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Happy, that I could contribute. And looking forward to your new version :-)
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Dear Max thank you for your contribution! We are about to release v2.5 and we will test your script also with it. This will be the last Acousto version, then something new will happen .... Thank you again
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Hallo, I wanted to finish this investigation about Ubuntu installation; meanwhile I did it better... The "BLACS" not found message in newer library versions can mean, that "libscalapack.a" is not found. Because "blacs" is now contained in "scalapack". However, it is not necessary to rebuild scalapack. Instead, the shared libraries in the package "libscalapack-openmpi-dev" are sufficient. However, a link is needed: ln -s /usr/lib/x86_64-linux-gnu/libscalapack-openmpi.so /usr/lib/x86_64-linux-gnu/libscalapack.so...
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Tried out Ubuntu 18.04 and current Debian (10.6) shell and the install script (see previous post) worked fine :-)
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Here my install script again, tested with a complete vanilla Ubuntu 20.04 and two bugs fixed.
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Hallo, I wanted to finish this investigation about Ubuntu installation; meanwhile I did it better... The "BLACS" not found message in newer library versions can mean, that "libscalapack.a" is not found. Because "blacs" is now contained in "scalapack". However, it is not necessary to rebuild scalapack. Instead, the shared libraries in the package libscalapack-openmpi-dev are sufficient. The ./configure command can be simply: ./configure --prefix=/usr/local \ --enable-mpinew --enable-scalapack_new...
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Hallo, I wanted to finish this investigation about Ubuntu installation; meanwhile I did it better... The "BLACS" not found message in newer library versions can mean, that "libscalapack" is not found. However, it is not necessary to rebuild scalapack. Instead, the shared libraries in the package libscalapack-openmpi-dev are sufficient. The ./configure command can be simply: ./configure --prefix=/usr/local \ --enable-mpinew --enable-scalapack_new \ --with-libs=/usr/lib/x86_64-linux-gnu There is still...
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Hello, thanks for the reply :-) I got it compiled in Ubuntu 20.04. Compile and install ScaLAPACK 2.1.0 from sources (with cmake and default configuration: cp SLmake.inc.example SLmake.inc this gives libscalapack.a in /usr/local/lib For AcouSTO, run ./configure with following options (of course, all necessary libraries must be installed): ./configure --prefix=/usr/local \ --enable-mpinew --enable-scalapack_new \ --with-libconfig=/usr/lib/x86_64-linux-gnu \ --with-blas=/usr/lib/x86_64-linux-gnu/blas...
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Hallo, I wanted to finish this investigation about Ubuntu installation; meanwhile I did it better... The "BLACS" not found message in newer library versions can mean, that "libscalapack" is not found. However, it is not necessary to rebuild scalapack. Instead, the shared libraries in the package libscalapack-openmpi-dev are sufficient. The ./configure command can also be more simple: ./configure --prefix=/usr/local \ --enable-mpinew --enable-scalapack_new \ --with-libs=/usr/lib/x86_64-linux-gnu There...
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Hallo, I wanted to continue this investigation about Ubuntu installation; meanwhile I did it better... The "BLACS" not found message in newer library versions can mean, that "LibScalaPack" is not found. However, it is not necessary to rebuild scalapack, as I wrote above. Instead, the shared libraries in the package libscalapack-openmpi-dev are sufficient. The ./configure command can also be more simple: ./configure --prefix=/usr/local \ --enable-mpinew --enable-scalapack_new \ --with-libs=/usr/lib/x86_64-linux-gnu...
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Hallo, I wanted to continue this investigation about Ubuntu installation; meanwhile I did it better... The "BLACS" not found message in newer library versions can mean, that "LibScalaPack" is not found. However, it is not necessary to rebuild scalapack, as I wrote above. Instead, the shared libraries in the package libscalapack-openmpi-dev are sufficient. The ./configure command can also be more simple: ./configure --prefix=/usr/local \ --enable-mpinew --enable-scalapack_new \ --with-libs=/usr/lib/x86_64-linux-gnu...
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Hello, I have the same problem: blacs not working in current Ubuntu 20.04 However, I found that in Ubuntu 16.04 there was libblacs-openmpi-dev Now, in Ubuntu 20.04, there is only a "virtual" package, "provided" by libscalapack-openmpi-dev [...] By the way, the other installation option in docker, with the modification FROM debian:8.6 as described above by Umberto lemma was also successful for me.
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Thanks for you help. I installed the docker image with changing FROM debian to FROM debian:8.6 as. It worked well !
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Hello, thanks for the reply :-) I got it compiled in Ubuntu 20.04. Compile and install ScaLAPACK 2.1.0 from sources (with cmake and default configuration: cp SLmake.inc.example SLmake.inc; this gives libscalapack.a in /usr/local/lib; in the distribution there is only libscalapack.so) For AcouSTO, run ./configure with following options (of course, all necessary libraries must be installed): ./configure --with-libconfig=/usr/lib/x86_64-linux-gnu \--enable-mpinew --with-lapack=/usr/lib/x86_64-linux-gnu/lapack...
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(removed)
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Hello, I have the same problem: blacs not working in current Ubuntu 20.04 However, I found that in Ubuntu 16.04 there was libblacs-openmpi-dev Now, in Ubuntu 20.04, there is only a "virtual" package, "provided" by libscalapack-openmpi-dev Maybe for some expert the fix would be trivial... By the way, the other installation option in docker, with the modification FROM debian:8.6 as described above by Umberto lemma was also successful for me.
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fred voisin posted a comment on discussion Help
Hello, I’m sorry I’m still using ubuntu 18.04. As you said it should be easy to fix, probably just a link. Thank’s for your positive experience with using docker option. Fred On 7 Apr 2021, at 19:19, Max Funk mf3@users.sourceforge.net wrote: Hello, I have the same problem: blacs not working in current Ubuntu 20.04 However, I found that in Ubuntu 16.04 there were the packages libblacs-openmpi-dev and libblacs-openmpi1 which contain some "blacs" library files Now, in Ubuntu 20.04, there is only a "virtual"...
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Here is a link describing the current state of the packages libscalapack-openmpi at debian.org
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Hello, I have the same problem: blacs not working in current Ubuntu 20.04 However, I found that in Ubuntu 16.04 there were the packages libblacs-openmpi-dev and libblacs-openmpi1 which contain some "blacs" library files Now, in Ubuntu 20.04, there is only a "virtual" package: libblacs-openmpi-dev which is "provided" by libscalapack-openmpi-dev and the binary files are provided from libscalapack-openmpi2.1 Perhaps one should modify the configure.ac file so that these libraries are properly linked;...
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Hello, I'm trying to install with ubuntu 20.04. I got the following error with configure : configure: MPI version used: 1.6.x checking for Cblacs_pinfo in -lblacsCinit... no checking for Cblacs_pinfo in -lblacsC... no checking for Cblacs_pinfo in -lmpiblacsCinit... no checking for Cblacs_pinfo in -lblacsCinit_MPI... no checking for Cblacs_pinfo in -lblacsCinit-openmpi... no configure: error: Provided blacs does not work! Could you please help me solve this problem. Cheers, Nazalli
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Anton Hoyer modified a comment on discussion Help
I figured that out. By substituting 2.5 into 2.3 and comparing with 2.4 i get an equation to calculate gamma/lambda. Quick question: is there a minus sign missing in 2.6? Because the gamma file in the ImpedSphere_PlaneWave folder declares re_gamma = -1. I attached some screenshots, so maybe you get an idea what went wrong. As a reference the solution from the tutorial (picture 1). Then the rebuild with the same values of gamma and lambda, only with gmsh-geometry and custombc=2 (picture 2) and finally...
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I figured that out. By substituting 2.5 into 2.3 and comparing with 2.4 i get an equation to calculate gamma/lambda. Quick question: is there a minus sign missing in 2.6? Because the gamma file in the ImpedSphere_PlaneWave folder declares re_gamma = -1. I attached some Screenshots, so maybe you get an idea what went wrong. As a reference the solution from the tutorial (picture 1). Then the rebuild with the same values of gamma and lambda, only with gmsh-geometry and custombc=2 (picture 2) and finally...
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OK, thank you. Before going on I just want to be sure that you are not, in fact, misled by a typo before Eq. 2.6. The line before should read "Substituting into Eq. 2.3 and comparing with 2.4". Clearer now ?
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Hello Umberto, thanks for your quick reply! I'm using the approach based on pressure. Anton
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Dear Anton, thank you for interest in Acousto. The approach used in the user manual (Section 4.2.3) and in the Tutorials Book (Section 2.5) differ on the physical meaning of the unknown function. In the Useer Manual is the velocity potential, whereas for the impedent sphere tutorial is the pressure. Which approach are you using ? Umberto
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Hello, i want to simulate the impact of different objects on wave propagation in the free field. A bit like in the "Impedant Sphere" tutorial, only with more complex geometries and from different angles. I also have alpha values as the absorption coefficient of different materials. I'm working with custom boundary conditions. By studying the PDFs and the forum i got the formula for converting alpha values to Z and from the correlation between gamma and lambda lambda = -gamma(Z/(j rho omega)) i theoretically...
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Hello, i want to simulate the impact of different objects on wave propagation in the free field. A bit like in the "Impedant Sphere" tutorial, only with more complex geometries and from different angles. I also have alpha values as the absorption coefficient of different materials. I'm working with custom boundary conditions. By studying the PDFs and the forum i got the formula for converting alpha values to Z and from the correlation between gamma and lambda "lambda = -gamma(Z/(jrho*omega))" i theoretically...
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Hello, i want to simulate the impact of different objects on wave propagation in the free field. A bit like in the "Impedant Sphere" tutorial, only with more complex geometries and from different angles. I also have alpha values as the absorption coefficient of different materials. I'm working with custom boundary conditions. By studying the PDFs and the forum i got the formula for converting alpha values to Z and from the correlation between gamma and lambda lambda = -gamma(Z/(jrho*omega)) i theoretically...
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Hello, i want to simulate the impact of different objects on wave propagation in the free field. A bit like in the "Impedant Sphere" tutorial, only with more complex geometries and from different angles. I also have alpha values as the absorption coefficient of different materials. I'm working with custom boundary conditions. By studying the PDFs and the forum i got the formula for converting alpha values to Z and from the correlation between gamma and lambda lambda = -gamma(Z/(jrho*omega)) i theoretically...
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" acousto distribution path” is where you have saved the acoustic distribution on your disk ;-) For example, in my case is “/home/umberto/Software/" U Prof. Umberto IEMMA, PhD Professor of Aerospace Structures and Design Dip. di Ingegneria - Universita' Roma Tre via Vito Volterra 62, 00146 Roma tel. +39-0657333274 fax +39-065593732 http://acousto.sourceforge.net On 26 Feb 2020, at 19:42, Fred Voisin graougraou@users.sourceforge.net<mailto:graougraou@users.sourceforge.net> wrote: Some files (data)...
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Fred Voisin posted a comment on discussion Help
oups, found it.
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Some files (data) are provided in Tutorials.pdf where one can read "The files provided with this tutorial are under acousto distribution path/tutorials/... " ; this appears to be not clear, or not working (error 404). Is that possible to have the full URL ? Thank's. Fred
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Yep, FROM debian:8.6 is working on ubuntu 18.04 :) Thank's. Fred
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Alberto, try with "locate libconfig" It returns all the occurences of "libconfig" in file names for your system. Anyway, if you are not an experienced Linux user you should better use the acousto dockerfile. Installation is super easy and the performance is almost the same as for native compilation. U
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Alberto posted a comment on discussion Help
Hi Umberto, thank you for your kind reply. I already used the --with-libconfig option, specifying different locations of libconfig lib, without solving the problem. Can you suggest me how I can obtain the correct path of libconfig lib on my environment setup, in order to use it with libconfig option? Alberto
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Hi Alberto, it should be somethings with your environment setup. Please use the --with-libconfig option. U
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Hello, I'm trying to install AcouSTO on openSUSE Leap 15.1, but installation stops with this message: "configure: error: cannot find libconfig". I installed all the prerequisites indicated in UserManual, including libconfig libraries (with YaST application). I unsuccessfully also tried to reinstall AcouSTO after libconfig installation, as suggested in UserManual, downloading "libconfig-1.7.2.tar.gz". The error message is the same. Thanks in advance for your help Alberto
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I've tried on a Centos 7.4 VM and works perfectly ! Just install openmpi3 suite and lapack devel package from standard centos repository. Then follow these steps 1) Download latest epel-release rpm from http://download-ib01.fedoraproject.org/pub/epel/7/x86_64/ 2) Install epel-release rpm: # rpm -Uvh epel-release*rpm 3) Install scalapack-openmpi3-static rpm package: # yum install scalapack-openmpi3-static Then, configure acousto with ./configure --enable-mppinew --enable-scalapack_new Now you can...
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mmmh, strange... Later this afternoon I'll try to reproduce your probloem here. Now I have to teach ...
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James Marine posted a comment on discussion Help
Already tried but still not working… Which version of openmpi do you suggest and which versions of libs should be used? May be it is better for me just to follow your versions. From: Umberto Iemma uiemma@users.sourceforge.net Sent: 2020年2月3日 17:35 To: [acousto:discussion] 852636@discussion.acousto.p.re.sourceforge.net Subject: [acousto:discussion] Provided blacs does not work please try with the mpi new and sclapack new oprtions Provided blacs does not workhttps://sourceforge.net/p/acousto/discussion/852636/thread/ecebae1d2e/?limit=25#5f80...
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please try with the mpi new and sclapack new oprtions
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My group is working on a major update that will take some time to be released. Soon, we will publish minor updates to guarantee compatibility with the latest MPI release and fix some installation problem. It seems that there is something wrong in your installation. blas seems to be not present MPI seems to be compiled without fortyran support Check carefully your setup and send a feedback U
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Hi Umberto, See attached. Is there any requirement on which version of lib and openmpi should be used? By the way, is there any update on AcouSTO? I noted that there has been long time no update. Thanks & Regards, James
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Hi Umberto, See attached. By the way, is there any update on AcouSTO? I noted that there has been long time no update. Thanks & Regards, James
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Hi James, if you are trying to compile outside a docker cintainer it's not the same issue. CrocoDuck problem was a purely dockerfile problem. Could you please post the config.log ? U
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Hi Umb, I have same issue here. The difference is that i am using native build under centos 7.4, do you know how to solver this problem? Thanks & Regards, James
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Hi CrocoDuck, try the following in the dockerfile change "FROM debian" to "FROM debian:8.6" from the directory where the dockerfile is, issue the command docker build -t name-of-image . -f ./acousto-2.0_dockerfile Let me know ... Umb
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Hi CrocoDuck, I'll check the procedure this afternoon and let you know. Best wishes Umb
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CrocoDuck o'Ducks posted a comment on discussion Help
Hi there! I am trying to build the docker file 'acousto-2.0_dockerfile' by issuing this command: docker build - < acousto-2.0_dockerfile However, the build fails at this stage: checking for Cblacs_pinfo in -lblacsCinit... no checking for Cblacs_pinfo in -lblacsC... no checking for Cblacs_pinfo in -lmpiblacsCinit... no checking for Cblacs_pinfo in -lblacsCinit_MPI... no checking for Cblacs_pinfo in -lblacsCinit-openmpi... no configure: error: Provided blacs does not work! It is perhaps worth to mention...
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Hi Thomas, could you please post the log file? U
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Thomas Dye posted a comment on discussion Help
thomas@thomas-LIFEBOOK-AH532:~/acousto-2.0$ ./configure --with-libconfig=/usr/lib/x86_64-linux-gnu/ checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name......
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Ben Shaw posted a comment on discussion Help
Thank you. I figured it would be something basic I was overlooking.
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\omega is measured in rad/sec, not Hz. 2pi325*1.21/103.76=23.813 325*1.21/103.76=3.8 ;-)
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Hi, I am using Acousto to simulate low frequency room acoustics. I am using the new custombc=2 method for setting the boundry conditions. I have not been able to find a tutorial for this method in the documentation, but I think I have the file syntax correct. My question is how to convert an absprption coeffecient(alpah) into the gamma value. I followd tutorial 6 equations 6.16, 6.17, 6.18. I inserted the right side of 6.16 for Z in 6.18 with rho=1.21 and c_0=343. When I try to calculate the gamma...
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Actually you don't need to change the name in the configure files. One of the configuration options allows you to provide special names for the libraries. Anyway, thanks for posting your experience.
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WatchOCR posted a comment on discussion Help
For anyone trying to install AcouSTO on ubuntu 16.04. I had to edit the .configure file and replace all references to -lscalapack to -lscalapack-openmpi to get it to configure properly.
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AcouSTO released /acousto/2.0/acousto-2.0_dockerfile
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mathias posted a comment on discussion Open Discussion
Hello Umberto, thanks for your quick reply! I will gladly wait for revision 2.0 then....
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Mathias, thanks for using acousto. The way to provide different properties to different...
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Hello, first off: I am very impressed with the capabilites and usability of acousto....
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Hello, first off: I am very impressed with the capabilites and usability of acousto....
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Hi, current version of acousto (1.6) does not support moving boundaries, moving sources...
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Bernhard Hoepperger posted a comment on discussion Open Discussion
Hi, I'm new here and have a question to the performance of Acousto. We have to design...
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Acousto is currently undergoing a radical update including many improvements. Acceleration...
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cepheid posted a comment on discussion Open Discussion
Whether the accelation method will be implemented in the code? Such as H2lib?
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