In this paper, we present a comprehensive simulation framework developed in MATLAB called HEMSim (Highly Energetic Materials Simulator) for modeling ideal detonations based on the fundamental principles of the Chapman-Jouguet (CJ) theory. The code efficiently computes the properties of an ideal detonation at the CJ point under the assumption of chemical, mechanical and thermal equilibrium, as well as the values of the isentropic expansion, while also enabling a fit of the parameters of the well-established JWL equation of state. Our code employs advanced equations of state (IMP EXPP 6 or BKWC for gaseous products and Birch-Murnaghan with thermal expansion for condensed products) to accurately model the behavior of a multiphase mixture of products coming from an ideal detonation. To our knowledge, there are no freely available codes capable of performing these complex calculations. Our implementation hence provides a robust framework for the accurate determination of ideal detonation parameters.
HEMSim: a new MATLAB software to simulate the behavior of highly energetic materials upon Chapman-Jouguet hypothesis / Caridi, Y.; Cucuzzella, A.; Berrone, S.. - In: JOURNAL OF ENERGETIC MATERIALS. - ISSN 0737-0652. - (2024), pp. 1-16. [10.1080/07370652.2024.2446906]
HEMSim: a new MATLAB software to simulate the behavior of highly energetic materials upon Chapman-Jouguet hypothesis
Caridi Y.;Cucuzzella A.;Berrone S.
2024
Abstract
In this paper, we present a comprehensive simulation framework developed in MATLAB called HEMSim (Highly Energetic Materials Simulator) for modeling ideal detonations based on the fundamental principles of the Chapman-Jouguet (CJ) theory. The code efficiently computes the properties of an ideal detonation at the CJ point under the assumption of chemical, mechanical and thermal equilibrium, as well as the values of the isentropic expansion, while also enabling a fit of the parameters of the well-established JWL equation of state. Our code employs advanced equations of state (IMP EXPP 6 or BKWC for gaseous products and Birch-Murnaghan with thermal expansion for condensed products) to accurately model the behavior of a multiphase mixture of products coming from an ideal detonation. To our knowledge, there are no freely available codes capable of performing these complex calculations. Our implementation hence provides a robust framework for the accurate determination of ideal detonation parameters.File | Dimensione | Formato | |
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HEMSim a new MATLAB software to simulate the behavior of highly energetic materials upon Chapman-Jouguet hypothesis.pdf
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https://hdl.handle.net/11583/2996270