ansys.dyna.core.pre.dynasale#

Module for creating a S-ALE (Structured ALE) DYNA input deck.

Classes#

`AdvectionMethod`	Generic enumeration.
`FillDirection`	Generic enumeration.
`ControlPoint`	Provides spacing information for generating a 3D S-ALE mesh.
`StructuredMesh`	Generates a structured 2D or 3D mesh and invokes the S-ALE solver.
`DynaSALE`	Sets up the S-ALE simulation process.

Module Contents#

class ansys.dyna.core.pre.dynasale.AdvectionMethod[source]#

Bases: ansys.dyna.core.pre.dynabase.Enum

Generic enumeration.

Derive from this class to define new enumerations.

DONOR_CELL_WITH_HALF_INDEX_SHIFT = 1[source]#

VAN_LEER_WITH_HIS = 2[source]#

DONOR_CELL_WITH_HIS = 3[source]#

FINITE_VOLUME_METHOD = 6[source]#

class ansys.dyna.core.pre.dynasale.FillDirection[source]#

Bases: ansys.dyna.core.pre.dynabase.Enum

Generic enumeration.

Derive from this class to define new enumerations.

INSIDE_THE_GEOMETRY = 0[source]#

OUTSIDE_THE_GEOMETRY = 1[source]#

class ansys.dyna.core.pre.dynasale.ControlPoint(number, position, ratio)[source]#

Provides spacing information for generating a 3D S-ALE mesh.

Parameters:

numberint: Control point node number.
positionfloat: Control point position.
ratiofloat: Ratio for progressive mesh spacing.

number[source]#

position[source]#

ratio[source]#

class ansys.dyna.core.pre.dynasale.StructuredMesh(control_points_x, control_points_y, control_points_z)[source]#

Bases: ansys.dyna.core.pre.dynabase.BaseObj

Generates a structured 2D or 3D mesh and invokes the S-ALE solver.

stub[source]#

control_points_x[source]#

control_points_y[source]#

control_points_z[source]#

refine_factor_x = 1[source]#

refine_factor_y = 1[source]#

refine_factor_z = 1[source]#

fillings = [][source]#

type = 'structured_mesh'[source]#

fill(material, geometry_type='NULL', nsample=4, define_geometry_parameters=[0, 0, 0, 0, 0], inout=FillDirection.INSIDE_THE_GEOMETRY, vid=0, reference_pressure=0)[source]#

Perform volume-filling operations on a S-ALE mesh.

Parameters:

material_namestr

Material name.

geometry_typestr

Geometry type. The default is "Null". Options are:

BOXCOR
BOXCPT
CYLINDER
PARTSET
PART
PLANE
SEGSET
SPHERE

nsampleint, optional

Number of sampling points. The default is 4.

define_geometry_parameterslist

List of values having different definitions for different options. The default is [0, 0, 0, 0, 0].

in_outint, optional

Flag for whether to fill inside or outside of the geometry. The default is INSIDE_THE_GEOMETRY.

vidint, optional

Flag for assigning the initial velocity to the material filling the domain. The default is 0.

reference_pressure

Returns:

bool: True when successful, False when failed.

refine(refine_factor_x=1, refine_factor_y=1, refine_factor_z=1)[source]#

Refine existing S-ALE meshes.

Parameters:

refine_factor_xint, optional: Refinement factor for the x-direction. The default is 1.
refine_factor_yint, optional: Refinement factor for the y-direction. The default is 1.
refine_factor_zint, optional: Refinement factor for the z-direction. The default is 1.

initial_detonation(detonation_point)[source]#

Define a point for initiating the location of a high-explosive detonation.

Parameters:

detonation_pointPoint: Coordinates (x,y,z) of the detonation point.

create()[source]#: Create a mesh.

class ansys.dyna.core.pre.dynasale.DynaSALE[source]#

Bases: ansys.dyna.core.pre.dynabase.DynaBase

Sets up the S-ALE simulation process.

set_termination(endtime)[source]#

Set the time for ending the simulation.

Parameters:

endtimefloat: Time for ending the simulation.

Returns:

bool: True when successful, False when failed.

set_output_interval(database_plot_interval)[source]#

Request binary output.

Parameters:

database_plot_intervalfloat: Time interval between output states.

Returns:

bool: True when successful, False when failed.

set_analysis_type(num_of_cycle=1, method=AdvectionMethod.DONOR_CELL_WITH_HALF_INDEX_SHIFT, background_pressure=0)[source]#

Set the analysis type.

Parameters:

num_of_cyclefloat, optional: Total time of simulation for the fluid problem. The default is 1.
methodfloat, optional: Time step for the fluid problem. The default is DONOR_CELL_WITH_HALF_INDEX_SHIFT.
background_pressureint, optional: Reference pressure for computing the internal forces. The default is 0.

Returns:

bool: True when successful, False when failed.

set_output_database(matsum=0, glstat=0)[source]#

Obtain output files containing the results.

Parameters:

matsumfloat, optional: Time interval between outputs of part energies. The default is 0.
glstatfloat, optional: Time interval between outputs of global statistics and energies. The default is 0.

Returns:

bool: True when successful, False when failed.

save_file()[source]#

Save keyword files.

Returns:

bool: True when successful, False when failed.