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Code Manual for CONTAIN 2.0 - Federation of American Scientists

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elements that are named “fpname.” The sum <strong>of</strong> such values <strong>for</strong> each “fpname” in the targeted release<br />

input <strong>for</strong> all cells is the smallest allowed value <strong>for</strong> “ntgt.”<br />

Fortunately, “ntgt” does not have to be exactly equal to the number <strong>of</strong> targeted release equations;<br />

instead, it is only required that “ntgt” not be smaller than this number. For this reason, it is highly<br />

recommended that “ntgt” not be computed when complex targeted release and acceptance input is<br />

used. Instead, it is recommended that a large value (e.g., 1000) be specified. The fission product<br />

input routine will write an error message to the error file if “ntgt” is too small to run the problem.<br />

14.3.1.11 Cell-Level DCH Irmut Block. The DCH-CELL block is used to specify DCH parameters<br />

specific to a given cell. This block need not be given if all the parameters defined in the global<br />

DHEAT block are appropriate <strong>for</strong> a given cell. However, it should be noted that additional trapping<br />

model options and tabular (i.e., value versus time) input <strong>for</strong> certain parameters (see VAR-PARM<br />

below) are available in the DCH-CELL input block but not in the DHEAT block. The list <strong>of</strong> the<br />

parameters specifiable in tabukw<strong>for</strong>m is given under the “oyvar” description. Note that the tabular<br />

values <strong>of</strong> a given parameter will take precedence over any single value specified after the keyword<br />

<strong>for</strong> that parameter.<br />

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

DCH-CELL<br />

[{SDSLIP=(sdslip) or SDEVEN=sdeven}]<br />

[DENDRP=dendrp] [RADGAS = radgas] [RADMUL = radmul]<br />

[GASSUR=gassur] [DIF02=difo2] [DIFH20=difh20] [HTCMUL=htcmul]<br />

[THRESH=thresh] [LIQSIDE dll ell d12e12] [PRODSEP=[{ON or OFF}]]<br />

[RCOMH2 = [{ON or OFF}]] [VELOCITY= velcty]<br />

EOI<br />

[DIATRAP=diatrp] [VELTRAP=veltrp] [RADTRAP=radtrp]<br />

[{TRAPRATE=trprat or<br />

TRAPPING<br />

{GFT or TFI or TOFKU or USER=trprat}<br />

[{FROMCELkicell or FROMVENT=ivent}] [ADFLOW=adflow]<br />

[LENl=xlenl] [LEN2=xlen2] [LEN3=xlen3] [LENGl?T=xleng]<br />

[KUl=xkul] [KU2=xku2] [SURTEN=surten]<br />

[RHODG={GAS or MIX}] [VNOST={GIT or CNVEL}]<br />

[TRAPMIN=trpmin] [TRAPMAX=trpmax] [TRAPMUL=trpmul]<br />

[COOLFRAC=(cfrac)]<br />

EOI}]<br />

[(VAR-PARM<br />

[FLAG=iflag]<br />

[NAME=oname]<br />

vAR-x=oxvar X=nx (Xpts)<br />

VAR-Y=oyvar Y=ny (ypts)<br />

EOI)]<br />

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

Rev O 14 109 6/30/97

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