public static string ParseStr(this PressUnitsType value)
{
switch (value)
{
case PressUnitsType.KPA: return(Keywords.w_KPA);
case PressUnitsType.METERS: return(Keywords.w_METERS);
case PressUnitsType.PSI: return(Keywords.w_PSI);
default: return(null);
}
}
public static double ConvertPressure(PressUnitsType type, double spGrav, double value)
{
switch (type)
{
case PressUnitsType.PSI:
return(value);
case PressUnitsType.KPA:
return(value / (Constants.KPAperPSI * Constants.PSIperFT * spGrav));
case PressUnitsType.METERS:
return(value / (Constants.MperFT * spGrav));
}
return(value);
}
public double GetNuRoughness(
FlowUnitsType fType,
PressUnitsType pType,
double spGrav)
{
switch (Type)
{
case LinkType.FCV:
return(NUConvert.RevertFlow(fType, Kc));
case LinkType.PRV:
case LinkType.PSV:
case LinkType.PBV:
return(NUConvert.RevertPressure(pType, spGrav, Kc));
}
return(Kc);
}
public static bool TryParse(string text, out PressUnitsType result)
{
if (text.Match(Keywords.w_PSI))
{
result = PressUnitsType.PSI;
}
else if (text.Match(Keywords.w_KPA))
{
result = PressUnitsType.KPA;
}
else if (text.Match(Keywords.w_METERS))
{
result = PressUnitsType.METERS;
}
else
{
result = (PressUnitsType)(-1);
return(false);
}
return(true);
}
///<summary>Update fields and units, after loading the INP.</summary>
public void Prepare(
UnitsType targetUnits,
FlowUnitsType flowFlag,
PressUnitsType pressFlag,
QualType qualFlag,
string chemUnits,
double spGrav,
long hstep)
{
double dcf,
ccf,
qcf,
hcf,
pcf,
wcf;
if (targetUnits == UnitsType.SI)
{
GetField(FieldType.DEMAND).Units = flowFlag.ToString();
GetField(FieldType.ELEV).Units = Keywords.u_METERS;
GetField(FieldType.HEAD).Units = Keywords.u_METERS;
GetField(FieldType.PRESSURE).Units = pressFlag == PressUnitsType.METERS
? Keywords.u_METERS
: Keywords.u_KPA;
GetField(FieldType.LENGTH).Units = Keywords.u_METERS;
GetField(FieldType.DIAM).Units = Keywords.u_MMETERS;
GetField(FieldType.FLOW).Units = flowFlag.ToString();
GetField(FieldType.VELOCITY).Units = Keywords.u_MperSEC;
GetField(FieldType.HEADLOSS).Units = "m" + Keywords.u_per1000M;
GetField(FieldType.FRICTION).Units = "";
GetField(FieldType.POWER).Units = Keywords.u_KW;
dcf = 1000.0 * Constants.MperFT;
qcf = Constants.LPSperCFS;
if (flowFlag == FlowUnitsType.LPM)
{
qcf = Constants.LPMperCFS;
}
if (flowFlag == FlowUnitsType.MLD)
{
qcf = Constants.MLDperCFS;
}
if (flowFlag == FlowUnitsType.CMH)
{
qcf = Constants.CMHperCFS;
}
if (flowFlag == FlowUnitsType.CMD)
{
qcf = Constants.CMDperCFS;
}
hcf = Constants.MperFT;
if (pressFlag == PressUnitsType.METERS)
{
pcf = Constants.MperFT * spGrav;
}
else
{
pcf = Constants.KPAperPSI * Constants.PSIperFT * spGrav;
}
wcf = Constants.KWperHP;
}
else
{
GetField(FieldType.DEMAND).Units = flowFlag.ToString();
GetField(FieldType.ELEV).Units = Keywords.u_FEET;
GetField(FieldType.HEAD).Units = Keywords.u_FEET;
GetField(FieldType.PRESSURE).Units = Keywords.u_PSI;
GetField(FieldType.LENGTH).Units = Keywords.u_FEET;
GetField(FieldType.DIAM).Units = Keywords.u_INCHES;
GetField(FieldType.FLOW).Units = flowFlag.ToString();
GetField(FieldType.VELOCITY).Units = Keywords.u_FTperSEC;
GetField(FieldType.HEADLOSS).Units = "ft" + Keywords.u_per1000FT;
GetField(FieldType.FRICTION).Units = "";
GetField(FieldType.POWER).Units = Keywords.u_HP;
dcf = 12.0;
qcf = 1.0;
if (flowFlag == FlowUnitsType.GPM)
{
qcf = Constants.GPMperCFS;
}
if (flowFlag == FlowUnitsType.MGD)
{
qcf = Constants.MGDperCFS;
}
if (flowFlag == FlowUnitsType.IMGD)
{
qcf = Constants.IMGDperCFS;
}
if (flowFlag == FlowUnitsType.AFD)
{
qcf = Constants.AFDperCFS;
}
hcf = 1.0;
pcf = Constants.PSIperFT * spGrav;
wcf = 1.0;
}
GetField(FieldType.QUALITY).Units = "";
ccf = 1.0;
switch (qualFlag)
{
case QualType.CHEM:
ccf = 1.0 / Constants.LperFT3;
GetField(FieldType.QUALITY).Units = chemUnits;
GetField(FieldType.REACTRATE).Units = chemUnits + Keywords.t_PERDAY;
break;
case QualType.AGE:
GetField(FieldType.QUALITY).Units = Keywords.u_HOURS;
break;
case QualType.TRACE:
GetField(FieldType.QUALITY).Units = Keywords.u_PERCENT;
break;
}
SetUnits(FieldType.DEMAND, qcf);
SetUnits(FieldType.ELEV, hcf);
SetUnits(FieldType.HEAD, hcf);
SetUnits(FieldType.PRESSURE, pcf);
SetUnits(FieldType.QUALITY, ccf);
SetUnits(FieldType.LENGTH, hcf);
SetUnits(FieldType.DIAM, dcf);
SetUnits(FieldType.FLOW, qcf);
SetUnits(FieldType.VELOCITY, hcf);
SetUnits(FieldType.HEADLOSS, hcf);
SetUnits(FieldType.LINKQUAL, ccf);
SetUnits(FieldType.REACTRATE, ccf);
SetUnits(FieldType.FRICTION, 1.0);
SetUnits(FieldType.POWER, wcf);
SetUnits(FieldType.VOLUME, hcf * hcf * hcf);
if (hstep < 1800)
{
SetUnits(FieldType.TIME, 1.0 / 60.0);
GetField(FieldType.TIME).Units = Keywords.u_MINUTES;
}
else
{
SetUnits(FieldType.TIME, 1.0 / 3600.0);
GetField(FieldType.TIME).Units = Keywords.u_HOURS;
}
}
