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  1. Thank you for your help. Because I calculate three separate objects. I need to set three moment centers to solve their moment separately. How should I set this up? Can it be set directly in the software interface?
  2. In acusolve, how to set the torque center? I hope you can help me. Thank you
  3. How to set the moment center when solving the moment in ACUsolve
  4. whj

    Compile the UDF

    Severe mesh distortion; must reduce time increment acuSolve: Max error ref. coord. = 4.804283e-004 -6.017617e-005 -1.802330e-005 acuSolve: Max error curr. coord. = 4.804267e-004 -6.000000e-005 -1.802330e-005 acuSolve: Worst elem. has nodes = 398 7450 7451 11222 acuSolve: Severe mesh distortion; mesh not fully updated
  5. whj

    Compile the UDF

    I have attached some screenshots which may help for reference. Set mesh-motion Setting grid motion on the surface of moving object
  6. whj

    Compile the UDF

    This is the error that is prompted during the exercise.
  7. whj

    Compile the UDF

    Thanks for your help I recently used UDF to define motion, and I found a program for rotating translational motion in the official help document, but when I ran it, it made some errors, showing grid divergence, but I've increased the number of grids near objects, and it's still not getting better. Please help me again. Thank you very much. usrRotTransMmo.c
  8. Hello, I encountered some mistakes when using UDF to define the motion of an object. The C file uses the rotational translation motion given in the tutorial (attached below). But there are always grid divergence errors in the running process. usrRotTransMmo.c
  9. whj

    Compile the UDF

    I've just solved the problem of how to set up a working directory, but I'm still prompted that the gravity. obj file can't be found in the working directory. But the display shows that libusr.dll has been created
  10. whj

    Compile the UDF

    Thank you very much, but I still don't know what to do. What commands do I need to enter before I can enter the directory where the user functions in C code are located? What libraries are necessary for ACUMAKEDLL to use? I found libabd. lib, libcci. lib, libeco. lib, libfrm. lib only in the installation directory of acusolve. But he doesn't seem to be what acuMakeDll needs. I attach the relevant library files, header files and C programs that may be needed in the running of the program. In udf.h file, only some functions are declared, but the program how these functions work is not given. But I can't find the relevant documents. I hope you can help me see where this problem appears. ACU4002_SloshingTank.zip udf.h libfrm.lib libeco.lib libcci.lib libadb.lib gravity.c acusim.h
  11. whj

    Compile the UDF

    Question 3 Header files: acusim.h and udf.h Source file: gravity.c Running in VS2013, the following errors occurred: Error LNK2019: Unparsable external symbol udfGetUsrVals, which is quoted in the function usrGravity as D: Documents ACU4002_Sloshing Tank Console Application 3 Console Application 3 Console Application 3 y. obj Error 4 LNK1120: Three unresolved external commands D: Documents ACU4002_Sloshing Tank Console Application 3 x64 Debug Console Application 3.dll After searching for information on the Internet, I found that some people said that the reason for this problem was the lack of library files (.lib/.dll). I hope you can help me. Thank you very much.
  12. whj

    Compile the UDF

    Question 2 Enter only acuMakeDll to display the following information
  13. whj

    Compile the UDF

    Thank you very much I have a few questions to ask you. Question 1: Interface for starting acusolve Cmd prompt Default d:\ Documents> Is that right? If not, how do I modify the path? Do I need to set the path of the model folder?
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