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Numerical Modeling of Contact Instability between Colliding Metal Plates Based on the Baer–Nunziato Model.

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Title: Numerical Modeling of Contact Instability between Colliding Metal Plates Based on the Baer–Nunziato Model.
Authors: Fortova, S. V.1 (AUTHOR) sfortova@mail.ru, Chuprov, P. A.1 (AUTHOR) petchu@mail.ru, Vasil'ev, A. E.1 (AUTHOR) vasilev.ae@phystech.edu
Source: Computational Mathematics & Mathematical Physics. Jun2026, Vol. 66 Issue 6, p1082-1095. 14p.
Subjects: Shock waves, Explosive welding, Hydrodynamics, Multiphase flow, Computer simulation
Abstract: The high-speed collision of metal plates with a disturbance in the shape of their interface is numerically modeled. In the course of the plate interaction, an initially small disturbance increases and its shape changes. This phenomenon is known from experimental studies and is widely encountered in explosion welding, which motivates interest in studying its characteristics. Numerical modeling is performed in the hydrodynamic approximation, since the initial stage of the process is addressed, in which the stresses arising in the plates significantly exceed the yield strength of the metals. The problem is studied numerically using a multiphase hydrodynamic model based on the system of Baer–Nunziato equations. The paper confirms the existence of mechanisms for the growth of interface disturbances based on the complex interaction of material flows generated by shock wave processes. [ABSTRACT FROM AUTHOR]
Copyright of Computational Mathematics & Mathematical Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Numerical Modeling of Contact Instability between Colliding Metal Plates Based on the Baer–Nunziato Model.
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  Data: <searchLink fieldCode="JN" term="%22Computational+Mathematics+%26+Mathematical+Physics%22">Computational Mathematics & Mathematical Physics</searchLink>. Jun2026, Vol. 66 Issue 6, p1082-1095. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Shock+waves%22">Shock waves</searchLink><br /><searchLink fieldCode="DE" term="%22Explosive+welding%22">Explosive welding</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrodynamics%22">Hydrodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Multiphase+flow%22">Multiphase flow</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink>
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  Data: The high-speed collision of metal plates with a disturbance in the shape of their interface is numerically modeled. In the course of the plate interaction, an initially small disturbance increases and its shape changes. This phenomenon is known from experimental studies and is widely encountered in explosion welding, which motivates interest in studying its characteristics. Numerical modeling is performed in the hydrodynamic approximation, since the initial stage of the process is addressed, in which the stresses arising in the plates significantly exceed the yield strength of the metals. The problem is studied numerically using a multiphase hydrodynamic model based on the system of Baer–Nunziato equations. The paper confirms the existence of mechanisms for the growth of interface disturbances based on the complex interaction of material flows generated by shock wave processes. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Computational Mathematics & Mathematical Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Jun2026
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