Segmentation Violation

[laskar]

I am getting the following error message when I try to run some tcl/tk input files using opensees.exe:
"child killed: segmentation violation"

could anyone tell me the probable cause of this error.
laskar

[silvia]

are you doing some Tk graphics??
what command is breaking it???

[laskar]

Thanks for you reply.
I am not using any Tk graphics
How can I find out which command is breaking the execution.

laskar..

[silvia]

i'd put stopping points along the input file...
or at least puts commands here and there to find out which line terminates the program....

[laskar]

Silvia thanks for your prompt replies.

I inserted print commands at different positions of my input file. After running the input file I find that it runs upto the command:
analysis static

and stops at the command:
initialize...

could you please tell me the cause for this.

thanks again.
laskar.

[silvia]

remove the initialize command.
also, please follow the order i give in the examples manual.

[laskar]

I removed the initialize command.

I also matched the order of commands with that given in the file Ex1b.Portal2D.Push[1].tcl in the examples manual.

However I am still getting the error message.

Laskar.

[silvia]

please post the important part of the script...

[laskar]

Here is the relevant part of the code:
# ------------------------------
# Start of analysis generation
# ------------------------------

# Create the constraint handler
constraints Plain
puts "constraints Plain Done!"

# Create the DOF numberer
numberer Plain
puts "numberer Plain Done!"


# Create the system of equation, a sparse solver with partial pivoting
system BandGeneral
puts "system BandGeneral Done!"


# Create the convergence test
test NormDispIncrVaryIter 0.001 1 5 numStep 5000 numIter 100
puts "test NormDispIncrVaryIter Done!"

# Create the solution algorithm
algorithm KrylovNewton
puts "algorithm KrylovNewton Done!"

# Create the integration scheme,
integrator DisplacementPath 10 1 1 numStep 5000 increment 0.01
puts "integrator DisplacementPath Done!"

# Create the analysis object
analysis Static
puts "analysis Static Done!"


# ------------------------------
# End of analysis generation
# ------------------------------


# perform the analysis
analyze 5000
puts "analyze Done!"

The output I am getting is as follows:

constraints Plain Done!
numberer Plain Done!
system BandGeneral Done!
test NormDispIncrVaryIter Done!
algorithm KrylovNewton Done!
integrator DisplacementPath Done!
analysis Static Done!

Then a windows pops up saying Opensees.exe has encountered a problem and needs to close. After that I get the message
"child killed: segmentation violation"

[silvia]

do you have some strange characters after that?
please send me the file to opensees-support@berkeley.edu

[fmk]

what happens with a regular convergence test.