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MODULE_INITIALCONDITION.f90
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MODULE_INITIALCONDITION.f90
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MODULE MODULE_INITIALCONDITION
USE MODULE_PRECISION
USE MODULE_ELEMENT
CONTAINS
SUBROUTINE INITIAL_EULER_1D(FIRST, LAST, ELE)
IMPLICIT NONE
INTEGER(IP), INTENT(IN) :: FIRST, LAST
TYPE(ELEMENT), DIMENSION(:), INTENT(INOUT), POINTER :: ELE
INTEGER(IP) :: I
REAL(WP), DIMENSION(:,:), POINTER :: CONSERVATIVE, PRIMATIVE
TYPE(ELEMENT), DIMENSION(:), POINTER :: ELE_PTR
INTEGER(IP) :: I_ORDER
INTEGER(IP) :: N1, NVAL
DO I = FIRST, LAST, 1
N1 = ELE(I)%ORDER
DO I_ORDER = 1, N1+1
IF (ELE(I)%XK(I_ORDER) <= 0.5_WP) THEN
ELE(I)%CONSERVATIVE(I_ORDER, 1) = 1._WP
ELE(I)%CONSERVATIVE(I_ORDER, 2) = 0._WP
ELE(I)%PRIMATIVE(I_ORDER, 1) = 1._WP
ELE(I)%CONSERVATIVE(I_ORDER, 3) = 0.5_WP*ELE(I)%CONSERVATIVE(I_ORDER, 2)**2._WP/ELE(I)%CONSERVATIVE(I_ORDER, 1)&
+ ELE(I)%PRIMATIVE(I_ORDER, 1)/(ELE(I)%MATERIALINFO(1)%GAMMA - 1._WP)
ELE(I)%PRIMATIVE(I_ORDER, 2) = 0._WP
ELE(I)%PRIMATIVE(I_ORDER, 3) = ELE(I)%PRIMATIVE(I_ORDER, 1)/ELE(I)%MATERIALINFO(1)%R_GAS_CONSTANT/ELE(I)%CONSERVATIVE(I_ORDER,1)
ELSE
ELE(I)%CONSERVATIVE(I_ORDER, 1) = 0.125_WP
ELE(I)%CONSERVATIVE(I_ORDER, 2) = 0._WP
ELE(I)%PRIMATIVE(I_ORDER, 1) = 0.1_WP
ELE(I)%CONSERVATIVE(I_ORDER, 3) = 0.5_WP*ELE(I)%CONSERVATIVE(I_ORDER, 2)*ELE(I)%CONSERVATIVE(I_ORDER, 2)/ELE(I)%CONSERVATIVE(I_ORDER, 1)&
+ELE(I)%PRIMATIVE(I_ORDER, 1)/(ELE(I)%MATERIALINFO(1)%GAMMA - 1._WP)
ELE(I)%PRIMATIVE(I_ORDER, 2) = 0._WP
ELE(I)%PRIMATIVE(I_ORDER, 3) = ELE(I)%PRIMATIVE(I_ORDER, 1)/ELE(I)%MATERIALINFO(1)%R_GAS_CONSTANT/ELE(I)%CONSERVATIVE(I_ORDER,1)
END IF
END DO
CALL ELE(I)%CONS2PRIM()
!PRINT*, ELE(I)%CONSERVATIVE(:,3)
CONTINUE
END DO
END SUBROUTINE INITIAL_EULER_1D
END MODULE MODULE_INITIALCONDITION