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Code Manual for CONTAIN 2.0 - Federation of American Scientists

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newc<strong>of</strong> = 2: Coefficients are requested only at “tgasl” and “pgasl .“ This option is<br />

appropriate only <strong>for</strong> constant temperature and pressure problems.<br />

newc<strong>of</strong> = 3: Coefilcients are requested <strong>for</strong> “pgasl” at “tgasl” and “tgas2.” This option is<br />

appropriate only <strong>for</strong> constant pressure problems.<br />

newc<strong>of</strong> = 4: Coefficients are requested <strong>for</strong> “tgasl” at “pgasl” and “pgas2.” This option is<br />

appropriate only <strong>for</strong> constant temperature problems.<br />

newc<strong>of</strong> = 99: Coeftlcients are to be recalculated regardless <strong>of</strong> availability <strong>of</strong> coefficients in<br />

the database file but are not to be appended to the end <strong>of</strong> that file. This<br />

option is useful when running <strong>CONTAIN</strong> on a machine that has difficulty<br />

processing FORTRAN “inquire” statements, or when disk space is at a<br />

premium.<br />

A more detailed discussion <strong>of</strong> the aerosol physics modeling is found in Chapter 7.<br />

14.2.6 Fission Product Options<br />

14.2.6.1 Fission Product Decay and Heating hmut. Global fission product characteristics maybe<br />

specified in the following input block. These characteristics include the structure <strong>of</strong> the linear decay<br />

chains, the fission product half-lives, and the decay power coefficients. Such in<strong>for</strong>mation <strong>for</strong> a<br />

number <strong>of</strong> radionuclides may also be loaded by simply invoking the fission product library through<br />

the FPLIB keyword discussed in Section 14.2.1. Initial fission product masses and the targeted _<br />

release and acceptance parameters are defined at the cell level in the FPM-CELL input block (see<br />

Section 14.3.1.10).<br />

***** ***** ***** ***** ***** ************************************************<br />

FISSION<br />

(NFPCHN=nfpchn<br />

FPNAME=(f@mme)<br />

HFLIFE=(Mife)<br />

[{FGPPWR=ndpcon<br />

POWER=(f@q) or<br />

POWER=(fpq)}])<br />

[FINVT=finvt])<br />

EOI<br />

***** ***** ***** ***** ***** ************************************************<br />

FISSION the keyword <strong>for</strong> initiating input <strong>of</strong> the global fission product parameters.<br />

There should be only one global FISSION block in any one input file.<br />

Rev O 14-40 6/30/97

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