AA_CYLINDRICAL

Section can be repeated.

Parameters for creating axis-aligned cylindrical Dirichlet boundary regions. [Edit on GitHub]

Keywords

• APX_TYPE

• BASE_CENTER

• BASE_RADIUS

• DELTA_ALPHA

• FREQUENCY

• N_PRTN

• N_SIDES

• OSCILLATING_FRACTION

• PARALLEL_AXIS

• PHASE

• SMOOTHING_WIDTH

• THICKNESS

• V_D

• XTNT

Keyword descriptions

APX_TYPE

Type: enum
Default: CIRCUMSCRIBED
Usage: APX_TYPE <apx_type>

Description: Specifies the type of the n-gonal prism approximating the cylinder.

Valid values:

• CIRCUMSCRIBED

• INSCRIBED

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BASE_CENTER

Type: real[2]
Default: [angstrom]
Usage: BASE_CENTER <y(real)> <z(real)>

Description: The y and z coordinates (x and z or x and y coordinates, depending on the choice of the parallel axis) of the cylinder’s base center.

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BASE_RADIUS

Type: real
Default: 1.00000000E+000 [angstrom]
Usage: BASE_RADIUS

Description: The base radius of the cylinder.

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DELTA_ALPHA

Type: real
Default: 5.00000000E-002 [rad]
Usage: delta_alpha

Description: A central angle specifying the gap between the faces of the n-gonal prism. To avoide overlap between the cuboids (of the given thickness) built on top of the faces, a larger value is required if the number of faces (N_SIDES) is quite few and/or the base radius is fairly small.

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FREQUENCY

Type: real
Default: 0.00000000E+000 [s^-1]
Usage: FREQUENCY

Description: The frequency with which the oscillating fraction oscillates.

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N_PRTN

Type: integer[2]
Default: 1 1
Usage: N_PRTN

Description: The number of partitions along the face edges of the prism for tiling. If the edges have different lengths, from the two given values, the larger one will be assigned to the longer edge.

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N_SIDES

Type: integer
Default: 5
Usage: N_SIDES

Description: The number of sides (faces) of the n-gonal prism approximating the cylinder.

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OSCILLATING_FRACTION

Type: real
Default: 0.00000000E+000
Usage: OSCILLATING_FRACTION

Description: A fraction of the field can be set to oscilate over time.

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PARALLEL_AXIS

Type: enum
Usage: PARALLEL_AXIS

Description: The coordinate axis that the cylindrical region extends along.

Valid values:

• X

• Y

• Z

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PHASE

Type: real
Default: 0.00000000E+000
Usage: PHASE

Description: The phase of the oscillattion. A phase of zero corresponds to a cosine function.

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SMOOTHING_WIDTH

Type: real
Default: 2.00000000E-001 [angstrom]
Aliases: SIGMA
Usage: SMOOTHING_WIDTH

Description: The width of the transition region between the Dirichlet subdomain and its surrounding.

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THICKNESS

Type: real
Default: 7.50000000E-001 [angstrom]
Usage: THICKNESS

Description: The thickness of the cylinder.

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V_D

Type: real
Default: [volt]
Usage: v_D

Description: The value of the fixed potential to be imposed at the cylindrical Dirichlet boundary.

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XTNT

Type: real[2]
Default: [angstrom]
Usage: xtnt <xmin(real)> <xmax(real)>

Description: The extents of the cylinder along its central axis.

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