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خانه / اخبار تایپ شونده / Simulation underwater explosion near a concrete dam by using the CEL method in Abaqus

Simulation underwater explosion near a concrete dam by using the CEL method in Abaqus

In this tutorial Simulation underwater explosion near a concrete dam by using the CEL method in Abaqus has been investigated. The dam is modeled as a three dimensional part, The TNT, water, and air are modeled as the Eulerian part. You can see a figure of the assembled parts at below

To model air behavior, ideal gas formulation with viscosity is used, Water is modeled as the Us-Up equation of state, TNT is modeled as the JWL equation to convert chemical energy release from the explosion process to mechanical pressure. To model concrete behavior Abaqus gives some material model like CDP and Brittle which they are not suitable to model progressive damage under detonation pulse. The dynamic explicit step with general contact as interaction is used. To model the Eulerian material, there are two ways, Volume fraction and uniform material. In this tutorial, uniform material is used to specify the water, the TNT and the air amount and location. At the first of analysis, each material has to fix location but during the simulation, the volume of the Eulerian parts mix together. The mesh quality has a great effect on the result.

After the simulation, the TNT wave propagation, Stress, and damage of the dam, water sloshing………….can be achievable. You can see some figures for the results below

You can provide CAE ,INP,and English video files of this simulation here. The cost of these files is Twenty-Six Euros. you can click on the bellow bottom to beginning process

You can purchase the tutorial through a PayPal account, a Visa, or a Master card,  just before payment,send me an email to this address: karampourp@gmail.com

 

درباره ی Abaqus

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