Browsing by Author "Jakobsen, Martin Fonnum"
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An analytical review of perforation statistics – using aluminium as witness plates in perforation experiments
Jakobsen, Martin Fonnum (2023-12-20)This report documents the statistical methods that are used in perforation experiments at the Norwegian Defence Research Establishment (FFI). We also introduce new (or at least unused) statistical methods, which have ... -
Aspects of Underwater Explosions and Preliminary Modeling in Impetus
Jakobsen, Martin Fonnum (2022-11-17)The subject of this report, is the physics of underwater explosions (undex). The report has several goals: • Develop FFI’s basic knowledge of undex phenomena as part of the project ”1581, Våpenvirkningsmekanikk”. • ... -
Cracking mechanisms in ceramic armor – analytical solutions and finite element simulations
Jakobsen, Martin Fonnum (2023-12-20)The subject of this report is the physics governing ballistic impact on ceramic plates. The report has several goals: • Develop FFI’s basic knowledge of ballistic impact phenomena. • Provide a general literature review ... -
Evaluating the recommended safety distance of a recoil booster
Jakobsen, Martin Fonnum (2023-06-01)After a supplier course for the FN MINIMI 7.62 mm Tactical machine gun, it was noted that the accompanying recoil booster FN Herstal S. A. B0897 has a hole going through it, which is parallel to the line of fire. The ...