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خانه / اخبار تایپ شونده / Numerical simulation of failure modes of concrete gravity dams subjected to underwater explosion in Abaqus

Numerical simulation of failure modes of concrete gravity dams subjected to underwater explosion in Abaqus

With the increased world tension, terrorist bombing attacks or accidental explosions are becoming a large threat to infra-structure such as the important economic, military and civilian facilities. The research on the antiknock safety of structures has increasingly attracted people’s attention. In order to meet the ever increasing demand for power, irrigation and drinking water, the majority of high dams are being built or to be built. Considering their significant political and economic benefits, undoubtedly, high dams might be targeted by terrorists because the possible failure of dams can cause economic disaster, a large number of casualties, and garner significant media attention. Since the September 11 attacks by terrorists, there has been increasing public concern about the threat of bomb attacks on dam structures.Therefore, protection of dam structures against blast loads is an important component of homeland security. Study on the failure modes and antiknock performance of concrete gravity dams subjected to underwater explosion is crucial to evaluate their antiknock safety. While, the physical processes during an explosive detonated in water and shock wave propagation are extremely complex, and the subsequent response of the dam subjected to explosion shock loading is much more complicated than that under other loadings such as static and earthquake loadings

In this simulation to model dam and water three dimensional parts was used. To define the correct behavior for concrete under high strain rate and huge stress ,it is necessary to use a appropriate material model to consider damage .Dynamic explicit step with UNDEX procedure has been used and you can see a figures about positions of the parts at below

During the process, the damage distribution is obvious and the damage can be change by increasing or decreasing the amount of TNT or change the position of the source point as TNT source.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 are Thirty Three US Dollars. you can click on the bellow bottom to beginning process

This is a 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

If you haven’t Bitcoins You can pay it with PayPal or Master card just send me an email to this address:karampourp@gmail.com

درباره ی Abaqus

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