9.4 CONWEP blast loading in Abaqus/Explicit

Products: Abaqus/Explicit Abaqus/CAE

Benefits: Structures subject to air blast loading can be analyzed efficiently using the CONWEP model. The required input is simple, and there is no need to model the fluid medium. The model is known to yield good results in air blast loading analyses when the coupling between the air and structure is weak.

Description: CONWEP loading allows you to impose pressure loading due to an explosion in air. The loading is defined by the location of the explosion, the time of detonation, and the loading surfaces. The following blast wave types are supported:

Air blast (spherical)
Surface blast (hemispherical)

Other input includes the amount of explosives (equivalent mass of TNT).

Abaqus/CAE Usage:

Interaction module:
    InteractionCreate: Incident wave: select CONWEP (Air/Surface blast) from the prompt area
    InteractionPropertyCreate: Incident wave: Air blast or Surface blast

References:

Abaqus Analysis User's Manual

“Acoustic and shock loads,” Section 30.4.5

Abaqus/CAE User's Manual

Abaqus Keywords Reference Manual