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خانه / اخبار تایپ شونده / Simulation TNT explosion inside the rock in Abaqus

Simulation TNT explosion inside the rock in Abaqus

In this tutorial Numerical Simulation on Fracturing of Rock under Blast Using Coupled Finite Element Method and Smoothed P article Hydrodynamics has been investigated.Nowadays, drill and blast are still a common excavation technique for rock foundations and  underground caverns in the fields of hydro power, transportation and mining because these  techniques have good adaptability to different geological conditions.In recent years, with the  rapid development of explosion theory and computer technology, numerical simulation has become  a promising approach to studying blast and wave propagation.Researchers worldwide have been  using different numerical methods to investigate the stress wave propagation in the rock mass

The granite rock and TNT are modeled as three dimensional part . To model TNT(high explosive material) JWL equation of state has used to convert chemical energy comes from the TNT explosion to mechanical pressure. To model granite behavior under intent blast load JH2 model has been implied.You can see assembled parts at below

Dynamic explicit step with general contact is appropriate for this type of analysis. The boundary is assigned to rock as fix boundary. To model smooth particle hydrodynamic mesh from the TNT part the CAE and input file can be used to define PC3D elements. The quality of mesh has a great effect over the result and radial crack propagation

After the explosion the damage parameter with other results such as stress ,plastic strain…are be achievable.You can see some figures of this simulation at below

You can provide CAE ,INP,and English video files of this simulation here. The cost of these files is Thirty 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

 

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