Initialize Block¶

This block is used for vortex study. This block is used for vortex study.

Warning

This block is optional.

Flags Overview¶

Note

All flags and their description are included in the table below. A detailed description of which values are possible for each input flag follows.

Flag	Required	Description
`VORT_NUMB`	Yes	determine the number of vortex in the flow field
`VORT_CENTX(1)`	Yes	determine the x location of the center of the first vortex
`VORT_CENTX(2)`	Yes	determine the x location of the center of the second vortex
`VORT_CENTY(1)`	Yes	determine the y location of the center of the first vortex
`VORT_CENTY(2)`	Yes	determine the y location of the center of the second vortex
`VORT_CENTZ(1)`	Yes	determine the z location of the center of the first vortex
`VORT_CENTZ(2)`	Yes	determine the z location of the center of the second vortex
`VORT_RAD(1)`	Yes	determine the rotational rate of the first vortex
`VORT_RAD(2)`	Yes	determine the rotational rate of the second vortex
`VORT_STRENGTH(1)`	Yes	determine the strength of the first vortex
`VORT_STRENGTH(2)`	Yes	determine the strength of the second vortex

Flags Details¶

VORT_NUMB

The number of vortex to be introduced to the flow field.

Type: Integer
Values: Whatever suits your simulation.
Default: 0

VORT_CENTX(1)

The center location (in x direction) of the first vortex.

Type: Real (m)
Values: Whatever suits your simulation.
Default: 0.d0

VORT_CENTX(2)

The center location (in x direction) of the second vortex.

Type: Real (m)
Values: Whatever suits your simulation.
Default: 0.d0

VORT_CENTY(1)

The center location (in y direction) of the first vortex.

Type: Real (m)
Values: Whatever suits your simulation.
Default: 0.d0

VORT_CENTY(2)

The center location (in y direction) of the second vortex.

Type: Real (m)
Values: Whatever suits your simulation.
Default: 0.d0

VORT_CENTZ(1)

The center location (in z direction) of the first vortex.

Type: Real (m)
Values: Whatever suits your simulation.
Default: 0.d0

VORT_CENTZ(2)

The center location (in z direction) of the second vortex.

Type: Real (m)
Values: Whatever suits your simulation.
Default: 0.d0

VORT_RAD(1)

The rotational rate of the first vortex.

Type: Real (1/s)
Values: Whatever suits your simulation.
Default: 0.d0

VORT_RAD(2)

The rotational rate of the second vortex.

Type: Real (1/s)
Values: Whatever suits your simulation.
Default: 0.d0

VORT_STRENTH(1)

The strength of the first vortex.

Type: Real
Values: Whatever suits your simulation.
Default: 0.d0

VORT_STRENGTH(2)

The strength of the second vortex.

Type: Real
Values: Whatever suits your simulation.
Default: 0.d0

Example:¶

&NML_VORTEX
    VORT_NUMB=0,
    VORT_CENTX(1)=0.5D-3,
    VORT_CENTX(2)=0.D0,
    VORT_CENTY(1)=0.5D-3,
    VORT_CENTY(2)=0.0D0,
    VORT_CENTZ(1)=0.D0,
    VORT_CENTZ(2)=0.D0,
    VORT_RAD(1)=0.2D-3,
    VORT_RAD(2)=0.D0,
    VORT_STRENGTH(1)=0.D0,
    VORT_STRENGTH(2)=0.D0
/