[petsc-users] Error configuring PETSc with SUNDIALS (to solve stiff PDE)

[Matthew Knepley]

You must send configure.log

  Thanks,

    Matt

On Sun, Nov 29, 2015 at 11:42 AM, namu patel <namu.patel7 at gmail.com> wrote:

> Hello All,
>
> I was trying to configure PETSc with SUNDIALS so that I may use PVODE to
> solve a stiff hyperbolic PDE of the form
>
> A(x) u_tt = K [B(x) u_x - F(x, u, u_x, t)]_x ,  t > 0,  0 < x < L ,
> u_x(0, t) = u_x(L, t) = 0 ,
> u(x, 0) = u_t(x, 0) = 0 ,
>
> where K >> 1. I was reading around to see what may be a good numerical
> implementation for such a problem and it can be tricky here because the
> stiffness is both in the linear part and the nonlinear forcing term.
>
> I want to try PVODE availble in the SUNDIALS package. When I try to
> configure PETSc with SUNDIALS, I get the message:
>
> Downloaded sundials could not be used. Please check install in
> /Users/namupatel/Softwares/PETSc/3.6.2/linux-dbg
>
>
> *******************************************************************************
>
>   File "./config/configure.py", line 363, in petsc_configure
>
>     framework.configure(out = sys.stdout)
>
>   File
> "/Users/namupatel/Softwares/PETSc/3.6.2/config/BuildSystem/config/framework.py",
> line 1081, in configure
>
>     self.processChildren()
>
>   File
> "/Users/namupatel/Softwares/PETSc/3.6.2/config/BuildSystem/config/framework.py",
> line 1070, in processChildren
>
>     self.serialEvaluation(self.childGraph)
>
>   File
> "/Users/namupatel/Softwares/PETSc/3.6.2/config/BuildSystem/config/framework.py",
> line 1051, in serialEvaluation
>
>     child.configure()
>
>   File
> "/Users/namupatel/Softwares/PETSc/3.6.2/config/BuildSystem/config/package.py",
> line 677, in configure
>
>     self.executeTest(self.configureLibrary)
>
>   File
> "/Users/namupatel/Softwares/PETSc/3.6.2/config/BuildSystem/config/base.py",
> line 126, in executeTest
>
>     ret = test(*args,**kargs)
>
>   File
> "/Users/namupatel/Softwares/PETSc/3.6.2/config/BuildSystem/config/package.py",
> line 592, in configureLibrary
>
>     for location, directory, lib, incl in self.generateGuesses():
>
>   File
> "/Users/namupatel/Softwares/PETSc/3.6.2/config/BuildSystem/config/package.py",
> line 332, in generateGuesses
>
>     raise RuntimeError('Downloaded '+self.package+' could not be used.
> Please check install in '+d+'\n')
>
> Two questions:
>
> 1. How can I resolve the above error?
>
> 2. Are there any recommendations to solving the stiff PDE stated above so
> that I can experiment to see what may be an efficient implementation?
>
> Thank you,
>
> Namu
>
>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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