[CIG-SHORT] Topology error

[Charles Williams]

Dear Renuhaa,

It appears that you have not marked the buried edges of your fault.  You will need to provide a separate nodeset for each fault that describes the buried edges.  Please see Section 6.4.2 and 6.4.3 of the PyLith User Manual.  Note that slip along the buried edges will be set to zero.  Your mesh is very coarse, so you will likely need a mesh with much better resolution to resolve your imposed slip.

Cheers,
Charles


> On 11/02/2016, at 6:03 AM, Renuhaa Asaithambi <asaitham at usc.edu> wrote:
> 
> Hi,
> 
> I recently started working with Pylith to model a region  with 3 faults in them. The error occurs close to the step of creating topology. What are the steps I could take to proceed? I have attached the mesh, cfg and error message with this email. Thank you.
> 
> [0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
> [0]PETSC ERROR: Invalid argument
> [0]PETSC ERROR: Faces should separate only two cells, not 3
> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html <http://www.mcs.anl.gov/petsc/documentation/faq.html> for trouble shooting.
> [0]PETSC ERROR: Petsc Development GIT revision: v3.5.3-2251-gb193602  GIT Date: 2015-02-19 19:20:25 -0600
> [0]PETSC ERROR: /auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/bin/mpinemesis on a arch-pylith-gcc-opt named hpc-login3 by asaitham Wed Feb 10 08:57:53 2016
> [0]PETSC ERROR: Configure options --prefix=/home/buildbot/install/pylith_centos_x86_64_binbot --download-fblaslapack=1 --with-c2html=0 --with-hwloc=0 --CXXFLAGS=-DMPICH_IGNORE_CXX_SEEK --with-clanguage=C --with-mpicompilers=1 --with-debugging=0 --download-chaco=1 --download-ml=1 --with-hdf5=1 --with-hdf5-dir=/home/buildbot/install/pylith_centos_x86_64_binbot --with-x=0 --with-ssl=0 --with-shared-libraries=1
> [0]PETSC ERROR: #1 DMPlexCheckFace_Internal() line 87 in /home/buildbot/slave/build/pylith_centos_x86_64_binbot/PETSc/petsc-pylith/binaries/src/dm/impls/plex/plexorient.c
> [0]PETSC ERROR: #2 DMPlexOrient() line 236 in /home/buildbot/slave/build/pylith_centos_x86_64_binbot/PETSc/petsc-pylith/binaries/src/dm/impls/plex/plexorient.c
> [0]PETSC ERROR: #3 static void pylith::faults::CohesiveTopology::createFault(pylith::topology::Mesh*, const pylith::topology::Mesh&, PetscDMLabel)() line 50 in faults/CohesiveTopology.cc <http://cohesivetopology.cc/>
> Fatal error. Calling MPI_Abort() to abort PyLith application.
> Traceback (most recent call last):
>   File "/auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/lib/python2.7/site-packages/pylith/apps/PetscApplication.py", line 64, in onComputeNodes
>     self.main(*args, **kwds)
>   File "/auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/lib/python2.7/site-packages/pylith/apps/PyLithApp.py", line 112, in main
>     mesh = self.mesher.create(self.problem.normalizer, interfaces)
>   File "/auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/lib/python2.7/site-packages/pylith/topology/MeshImporter.py", line 120, in create
>     self._adjustTopology(mesh, faults)
>   File "/auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/lib/python2.7/site-packages/pylith/topology/MeshGenerator.py", line 127, in _adjustTopology
>     interface.adjustTopology(mesh, firstFaultVertex, firstLagrangeVertex, firstFaultCell)
>   File "/auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/lib/python2.7/site-packages/pylith/faults/faults.py", line 341, in adjustTopology
>     def adjustTopology(self, *args): return _faults.FaultCohesive_adjustTopology(self, *args)
> RuntimeError: Error occurred while adjusting topology to create cohesive cells for fault 'nnearm'.
> Error detected while in PETSc function.
> application called MPI_Abort(MPI_COMM_WORLD, -1) - process 0
> /auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/bin/nemesis: mpirun: exit 255
> /auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/bin/pylith: /auto/rcf-15/asaitham/pylith/pylith-2.1.0-linux-x86_64/bin/nemesis: exit 1
> 
> 
> 
> 
> Renuhaa Asaithambi, MSc, P.E.
> PhD Candidate Petroleum Engineering
>  <http://iris.usc.edu/Images/viterbi-signature.gif>
> <NMSZsimple.cfg><nmsz_3faults.exo>_______________________________________________
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Charles A. Williams
Scientist
GNS Science
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C.Williams at gns.cri.nz <mailto:C.Williams at gns.cri.nz>
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