| 52 | | |
| 53 | | == MHD TEST CODE == |
| 54 | | 1. const Bz everywhere |
| 55 | | {{{ |
| 56 | | DO i=1-rmbc, mx+rmbc ; x = (xl+(REAL(i,xPrec)-half)*dx) |
| 57 | | DO j=1-rmbc, my+rmbc ; y = (yl+(REAL(j,xPrec)-half)*dy) |
| 58 | | DO k=1-zrmbc,mz+zrmbc ; z = (zl+(REAL(k,xPrec)-half)*dz) |
| 59 | | |
| 60 | | q(i,j,k,iBx)=0d0 |
| 61 | | q(i,j,k,iBy)=0d0 |
| 62 | | q(i,j,k,iBz)=sigmaB |
| 63 | | q(i,j,k,iE)=q(i,j,k,iE)+half*sigmaB**2 |
| 64 | | |
| 65 | | CALL ConvertInternaltoTotalEnergy(q(i,j,k,:)) |
| 66 | | END DO |
| 67 | | END DO |
| 68 | | END DO |
| 69 | | }}} |
| 70 | | |
| 71 | | 2. const aux along z direction and Bz everywhere |
| 72 | | |
| 73 | | {{{ |
| 74 | | if ( nDim .eq. 3 .AND. lMHD .AND. lTestConstBz) then |
| 75 | | aux(1:mx+1, 1:my, 1:mz, 1) = 0d0 |
| 76 | | aux(1:mx, 1:my+1, 1:mz, 2) = 0d0 |
| 77 | | DO i=1, mx |
| 78 | | DO j=1, my |
| 79 | | DO k=1, mz+1 |
| 80 | | pos=CellPos(Info, i, j, k) |
| 81 | | aux(i,j,k,3)=sigmaB !constant along z |
| 82 | | END DO |
| 83 | | END DO |
| 84 | | END DO |
| 85 | | else |
| 86 | | aux(:,:,:,:)=0d0 |
| 87 | | end if |
| 88 | | |
| 89 | | .... |
| 90 | | |
| 91 | | DO i=1-rmbc, mx+rmbc ; x = (xl+(REAL(i,xPrec)-half)*dx) |
| 92 | | DO j=1-rmbc, my+rmbc ; y = (yl+(REAL(j,xPrec)-half)*dy) |
| 93 | | DO k=1-zrmbc,mz+zrmbc ; z = (zl+(REAL(k,xPrec)-half)*dz) |
| 94 | | |
| 95 | | q(i,j,k,iBx)=0d0 |
| 96 | | q(i,j,k,iBy)=0d0 |
| 97 | | q(i,j,k,iBz)=sigmaB |
| 98 | | q(i,j,k,iE)=q(i,j,k,iE)+half*sigmaB**2 |
| 99 | | |
| 100 | | CALL ConvertInternaltoTotalEnergy(q(i,j,k,:)) |
| 101 | | END DO |
| 102 | | END DO |
| 103 | | END DO |
| 104 | | }}} |
| 105 | | |
| 106 | | 3. Const aux along y direction and By everywhere |
| 107 | | {{{ |
| 108 | | if ( nDim .eq. 3 .AND. lMHD .AND. lTestConstBy) then |
| 109 | | aux(1:mx+1, 1:my, 1:mz, 1) = 0d0 |
| 110 | | aux(1:mx, 1:my, 1:mz+1, 3) = 0d0 |
| 111 | | DO i=1, mx |
| 112 | | DO j=1, my+1 |
| 113 | | DO k=1, mz |
| 114 | | aux(i,j,k,2)=sigmaB !constant along z |
| 115 | | END DO |
| 116 | | END DO |
| 117 | | END DO |
| 118 | | else |
| 119 | | aux(:,:,:,:)=0d0 |
| 120 | | end if |
| 121 | | .... |
| 122 | | |
| 123 | | |
| 124 | | DO i=1-rmbc, mx+rmbc ; x = (xl+(REAL(i,xPrec)-half)*dx) |
| 125 | | DO j=1-rmbc, my+rmbc ; y = (yl+(REAL(j,xPrec)-half)*dy) |
| 126 | | DO k=1-zrmbc,mz+zrmbc ; z = (zl+(REAL(k,xPrec)-half)*dz) |
| 127 | | |
| 128 | | q(i,j,k,iBx)=0d0 |
| 129 | | q(i,j,k,iBy)=sigmaB |
| 130 | | q(i,j,k,iBz)=0d0 |
| 131 | | q(i,j,k,iE)=q(i,j,k,iE)+half*sigmaB**2 |
| 132 | | |
| 133 | | CALL ConvertInternaltoTotalEnergy(q(i,j,k,:)) |
| 134 | | END DO |
| 135 | | END DO |
| 136 | | END DO |
| 137 | | |
| 138 | | }}} |
| 139 | | |
| 140 | | 4. const Bz in outflow only |
| 141 | | |
| 142 | | {{{ |
| 143 | | |
| 144 | | DO i=1-rmbc, mx+rmbc ; x = (xl+(REAL(i,xPrec)-half)*dx) |
| 145 | | DO j=1-rmbc, my+rmbc ; y = (yl+(REAL(j,xPrec)-half)*dy) |
| 146 | | DO k=1-zrmbc,mz+zrmbc ; z = (zl+(REAL(k,xPrec)-half)*dz) |
| 147 | | |
| 148 | | qjet(iBx) = 0d0 |
| 149 | | qjet(iBy) = 0d0 |
| 150 | | qjet(iBz) = sigmaB !sigmaFACTOR |
| 151 | | qjet(iE)=qjet(iE)+half*qjet(iBz)**2 |
| 152 | | ... |
| 153 | | qnew=qwind+qjet |
| 154 | | ... |
| 155 | | q(i,j,k,1:NrHydroVars)=q(i,j,k,1:NrHydroVars)+(qnew(1:NrHydroVars)-q(i,j,k,1:NrHydroVars)) |
| 156 | | CALL ConvertInternaltoTotalEnergy(q(i,j,k,:)) |
| 157 | | |
| 158 | | END DO |
| 159 | | END DO |
| 160 | | END DO |
| 161 | | }}} |