MCNP input file error messages

ISAAC BAIDOO · Jan 6, 2017

Screenshot of a black DOS-style console window listing MCNP error output: fatal error, entries must not be negative, and repeated warnings that materials m8, m16 through m22 are not used in the problem, plus a warning that neutron energy cutoff is not zero in this kcode problem.

i am trying to run my mcnp input file and these are the error messages which i do not no how to fix them.

jedishrfu · Jan 6, 2017

As a general practice try to fix the first error and run again as subsequent errors may be a result of the first error and the programs desire to continue to the bitter end.

berkeman · Jan 6, 2017

Yeah, looks like the main problem is that you have negative numbers in your input data, and the program does not seem to like that...

MCNP input file error messages

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