Hi Jon, Since I am new to FiPy, it may take me awhile to follow through your solution. I am sure will have further questions. In the mean time, thank you so much for your prompt response.
Best regard, Yuranan _______________________________________________ fipy mailing list fipy@nist.gov http://www.ctcms.nist.gov/fipy [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ]