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خانه / اخبار تایپ شونده / Simulation internal explosion inside the rock by using coupled Eulerian-Lagrangian method in Abaqus

Simulation internal explosion inside the rock by using coupled Eulerian-Lagrangian method in Abaqus

In this tutorial, the Simulation internal explosion inside the rock by using the coupled Eulerian-Lagrangian method in Abaqus has been studied. The rock and TNT are modeled as three-dimensional solid parts. The Eulerian domain is modeled as a three-dimensional Eulerian part. You can see a figure of the assembled parts below

The material constitutive relationship is not only the conclusion of some regulations summarized from experimental data but also plays an important role in numerical simulations. It reflects the realistic physical and mechanical properties of materials as much as possible to improve the accuracy of numerical results. The JH-2 constitutive model was initially utilized to simulate the behavior of brittle materials. The JH-2 model adds softening characteristics and contains pressure-dependent strength, damage, and fracture; significant strength after fracture; bulking. If the JH-2 damage constitutive model could be employed in the constructions of practical engineering, it would be of great help in terms of quality control and prediction in advance, which could improve safety during the constructions and reduce cost. The JH2 material model is used to define sand stone behavior under severe load. The JWL equation of state is considered to define TNT material as a high explosive material. The dynamic explicit step is appropriate for this type of analysis. The general contact algorithm with contact property is implanted to define all contacts in the domain. The proper boundary condition is assigned to the Eulerian domain and the rock. The volume fraction method is used to define the TNT location and its amount among the Eulerian domain. The mesh should be fine to achieve the correct results.

After the simulation all results such as failure and damage for the stone, stress, strain, TNT wave propagation, and… are 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 Thirty Two US Dollars. you can click on the bellow bottom to beginning process

This is an important point when you want to select the payment port, select ROD PAY(this is a payment port for foreign buyers) and you can pay just with Bitcoins

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