Short, Easy Dialogues
15 topics: 10 to 77 dialogues per topic, with audio
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! --- Gaussian Burn Rate Function --- ! Normalized burn rate = exp(-0.5 * ((CA - CA_SOC)/(CA_DUR/6))^2) IF (CA .LT. CA_SOC) THEN BURN = 0.0 ELSE BURN = EXP(-0.5 * ((CA - CA_SOC) / (CA_DUR/6.0))**2) ! Normalize integral to 1.0 over combustion duration CUM_BURN = ... (numerical integration simplified here) END IF
HR = BURN * MF * QLHV ! [J/deg]
! Error handling I_ERR = 0 TEXT = 'User model executed' avl boost tutorial upd
SUBROUTINE USER_CYLINDER(CA, X, DX, V, DV, P, DENS, T, & MF, AF, ETAC, ETAS, QLHV, & HR, BURN, PTHB, USER_PAR, & N_UP, I_ERR, TEXT) IMPLICIT NONE REAL*8 CA, X, DX, V, DV, P, DENS, T, MF, AF, ETAC, ETAS REAL*8 QLHV, HR, BURN, PTHB, USER_PAR(*) INTEGER N_UP, I_ERR CHARACTER*80 TEXT CA_SOC) THEN BURN = 0
RETURN END
! Local variables for custom model REAL*8 CA_SOC, CA_DUR, SHAPE, CUM_BURN, PI PARAMETER (PI = 3.1415926535) [J/deg]