Hello everybody,


I would like to evaluate the class below, but OpenModelica always gives me the message:
[<interactive>:33:1-33:4:writeable] Error: No viable alternative near token: end

Following the advice it might has something to do with the last phrase "end cpW;", but I see no error there. Any ideas of yours? Thank you very much!!


code:


class cpW

//specific isobaric heat capacity of water or steam
//cpW in kJ/(kg K)
//temperature in K
//pressure in bar
//cpW = -1: temperature and/or pressure outside range

extends pSatW;
extends cpreg1;
extends cpreg2;
extends cpreg3;
extends pBound;
extends tBound;
extends densreg3;
parameter Real temperature;
parameter Real pressure;
Real density;
Real cpW;

equation
if (temperature >= 273.15) and (temperature <= 623.15) and (pressure >= pSatW) and (pressure <= 1000.00) then
cpW = cpreg1; //region 1
else if (temperature >= 273.15 and temperature <= 623.15 and pressure > 0 and pressure <= pSatW) or (temperature >= 623.15 and temperature <= 863.15 and pressure > 0 and pressure <= pBound) or (temperature >= 863.15 and temperature <= 1073.15 and pressure > 0 and pressure <= 1000.00) then
cpW = cpreg2; //region 2
else if temperature >= 623.15 and temperature <= tBound and pressure >= pBound and pressure <= 1000.00 then
density = densreg3; //region 3
cpW = cpreg3;
else
cpW = -1.00; //outside range
end if;

end cpW;