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INCIDENT WAVE INTERACTION
9.10
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INCIDENT WAVE INTERACTION: Define incident wave loading for a blast or
scattering load on a surface.
This option is used to apply incident wave loading. The
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INCIDENT WAVE INTERACTION PROPERTY
option must be used in conjunction with the
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INCIDENT WAVE INTERACTION option. If the incident
wave field includes a reflection off a plane outside the bou ndaries of the mesh, this effect can be modeled with
the
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INCIDENT WAVE REFLECTION option.
Products: ABAQUS/Standard ABAQUS/Explicit
Type: History data
Level: Step
References:
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“Acoustic, shock, and coupled acoustic-structural analysis,” Section 6.9.1 of the ABAQUS A nalysis
User’s Manual
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“Acoustic loads,” Section 27.4.5 of the ABAQUS Analysis User’s Manual
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INCIDENT WAVE INTERACTION PROPERTY
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INCIDENT WAVE REFLECTION
Required parameter:
PROPERTY
Set this parameter equal to the name of the
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INCIDENT WAVE INTERACTION PROPERTY
option defining the incident wave field.
Required, mutually exclusive parameters:
ACCELERATION AMPLITUDE
Set this parameter equal to the nam e of the amplitude curve defining the fluid particle acceleration
time history at the standoff point (“Amplitude curves,” Section 27.1.2 of the ABAQUS Analysis
User’s Manual). This amplitude curve will be used to compute the fluid traction only: a solid
surface requiring a pressure load cannot be specified on the data line of an
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INCIDENT WAVE
INTERACTION option if the A CCELERATION AMPLITUDE param eter is used.
This parameter is valid only for planar incident waves using the
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INCIDENT WAVE
INTERACTION PROPERTY, TYPE=PLANE option. Reflected loads, using the
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INCIDENT
WAVE REFLECTION option, are not permitted in this case.
9.10–1
ABAQUS Version 6.1 Module:
ID:
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