Isn´t Visual C++ enought??

[felipestumpf]

Hi everyone

I have to run my own hyperelastic law on Abaqus and I have to do it through user subroutines. When I first run the Abaqus Verification, it says that I don´t have "Microsoft Visual C++ 7.1 or 8.0".
Ok, then I installed Microsoft Visual C++ that comes with Microsoft Visual Studio 2008.
But after running again Abaqus Verification, it still says:
"Requirement: Microsoft Visual C++ 7.1 or 8.0
Product: Abaqus make utility with C++
Status: Fail - Unable to locate and/or determine the version of a
C++ compiler on this system. If Visual C++ or Visual Studio
.NET is installed on this system, please load the
vcvars32.bat file before running Abaqus."

When I find and run "vcvars32.bat" file, anything happens.
Isn´t Visual C++ enough? Does it have to be C++ Compiler from Visual Studio.NET or can I use the Compiler from Visual Studio 2008?

By searching in another foruns I´ve read that I also have to install Intel Fortran Compiler, is it true?
I want to write my subroutines in C++ language and still have to have installed Intel Fortran Compiler?

Please, if somebody have any clue of what I´m doing wrong, help me because I´m losing so much time...


Thank you
Regards
Felipe Stumpf

[felipestumpf]

I forgot to mention that I have Visual C++ 2005 Express Edition. If Visual Studio 2008 can´t be used, can this 2005 Express edition be? And then I also have to install a Fortran Compiler? Does it exists any free Fortran Compiler that could be used?

Thank you!!

[Jorgen]

I have struggled with those issues too. Here are some comments:

- I typically don't worry about the Abaqus verification. You don't need to pass that to use a user-subroutine.

- If you want to write your subroutine using C++, which is just fine, then you cannot use the Abaqus "make" approach. With Fortran subroutines you can often compile your subroutines using: abaqus make library=[fortran file name]
This does not work with C++ subroutines.

- I think (if I recall right) that both VS 2005 and VS 2008 work with Abaqus.

- For C++ subroutines you can instead create an obj-file by manually compiliing the source file using the cmd-line. You can then use the obj-file when using Abaqus by using a command like: abaqus job=[job name] user=[object file]

- You can also compile a shared dll library directly from your C++ file. Then you don't have to specify "user=[obj file]".

/Jorgen

[felipestumpf]

Thank you for the answer professor.

So I do not have to have installed both VS and Intel Fortran Compiler to make possible the use of subroutines? Only VC or Fortran Compiler is enought depending on the language I´m going to use?

Another question: for someone who never worked on any kind of programming in any language, wich one would you think is easier to implement: C++ or Fortran?


Thank you very much

Regards,
Felipe Stumpf

[Jorgen]

I have both VC and Intel Fortran on my computer and that works with both C++ and Fortran and mixed language user subroutines. I think that you only need one of the compilers (but I not 100% sure).

Most people find Fortran easier to learn.

-Jorgen