[TRNSYS-users] TYPE 56 And convergence tolerance

[javier mota]

dear all:
I AM USING TYPE 56 FOR BUILDING SIMULATION.
    I GET TEMPERATURE OUTPUT FROM TYPE 56,
    THEN I USE AN EQUATION TO CALCULATE VENTILATION.
    IN THIS SIMULATION I GET MANY ERROR OF CONVERGENCE.
    IS ANYTHING I CAN DO.
    I HEVE PROVED TO CHANGE CONVERGENCE TOLERANCE BUT EVEN WITH A VALUE OF 1
    THIS DOES NOT SOLVE ANYTHING.
    WHAT MEANS THE CONVERGENCE TOLERANCE, IS IT  A MEASURE OF THE ERROR IN 
ALL
    THE EQUATIONS OF THE PROYECT.RELTIVE CONVERGENCE TOLERANCE MEANS THAT 
THE
    VARIATIONS BETWEENS THE SOLUTIONS OF CONSECUTIVE EQUATION (SOLUTION  A 
STEP
    N-SOLUTION AT STEP N+1)/(SOLUTION AT STEP N) IS LESS THAT THIS ERROR? 
FOR
    ALL THE EQUATIONS AND COMPONENTS IN THE PROJECT.
    wHAT MAY BE THE MAXIMUN CONVERGENCE TOLERANCE THAT I COUL ADMIT 
EXPECTING TO
    GET CREDIBLE RESULTS?
    THNKS IN ADVENCE.
    jAVIER MOTA FROM 3I-INGENIERIA, MADRID

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