scholarly journals Computer Simulations of High Pressure Systems

Author(s):  
M. L. Wilkins
2021 ◽  
Vol 11 (8) ◽  
pp. 1269-1287
Author(s):  
Xiangyu Huo ◽  
Li Zhang ◽  
Mingli Yang

Energetic materials (EMs) are one of the necessities in many military and civilian applications. Measuring the thermodynamic behaviors of detonation products of EMs at high temperature and high pressure, their equations of state (EOSs) not only serve as a basis in the design of novel materials, but also provide valuable information for their practical applications. The EOS study has a long history, but keeps moving all the time. Various EMs have been developed, the EOS of detonation products provides abundant information in the thermochemistry, hydromechanics and detonation physics, which in turn feedbacks the development of novel EMs and their EOSs. With the development of experimental techniques and computer simulations, many EOSs have been proposed for various explosives in recent years. While experiments keep their fundamental roles, integrated theory-experiment study has become the main approach to the EOS establishment for novel EMs. Moreover, computer simulations based on interatomic and/or intermolecular interaction will have great potential in the future when big data and artificial intelligence are introduced into the field.


Author(s):  
Antonio Lucci ◽  
Gianluca Mannucci ◽  
Giuliano Malatesta ◽  
Nicholas E. Biery

High strength linepipe steels are being considered for several upcoming projects due to their potential to offer substantial savings through reduced wall thickness, particularly for high pressure designs. It is well known that mechanical damage from excavation activities is one of the most common causes of pipeline failure, however, little test data are available for higher grade steels. This paper presents the results of simulated excavator impacts on X120 pipe, and compares the results to those obtained on lower grade materials and to those predicted by computer simulations.


2011 ◽  
Vol 133 (22) ◽  
pp. 8681-8690 ◽  
Author(s):  
Herbert C. Hoffmann ◽  
Bassem Assfour ◽  
Fanny Epperlein ◽  
Nicole Klein ◽  
Silvia Paasch ◽  
...  

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