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        Development of Navy’s 3D mine impact burial prediction model (IMPACT35)

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        Author
        Chu, Peter C.
        Evans, Ashley
        Gilles, Anthony
        Smith, Timothy
        Taber, Victoria
        Date
        2004-05
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        Abstract
        Falling of mine through air, water, and sediment is investigated experimentally and theoretically. Two experiments were conducted to drop cylindrical mine with the density ratio around 1.8 into shallow water (around 13 m deep) in the Monterey Bay (Exp-1) and into the Naval Postgraduate School’s swimming pool (Exp-2). During the experiments, we carefully observe mine track and burial depth while simultaneously taking gravity cores (in Exp-1). After analyzing the gravity cores, we obtain the bottom sediment density and shear strength profiles. The theoretical work includes the development of 3D mine impact burial prediction model (IMPACT35) which contains three components: triple coordinate transform, hydrodynamics of falling rigid object in a single medium (air, water, or sediment) and in multiple media (air-water and water-sediment interfaces). The model predicts the rigid body’s trajectory in the water column and burial depth and orientation in the sediment. The experimental data (burial depth, sediment density and shear strength) are used to evaluate the newly developed numerical model. The 3D model shows great improvement to the currently used US Navy’s 2D model (i.e., IMPACT28).
        Description
        Sixth Monterey International Symposium on Technology and Mine Problems, Society for Counter-Ordnance Technology, Monterey, California, DVD-ROM
        URI
        http://hdl.handle.net/10945/36272
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          Development of the Navy’s 3D Mine Impact Burial Prediction Model (IMPACT35) 

          Chu, Peter C.; Evans, Ashley; Gilles, Anthony; Smith, Timothy; Taber, Victoria (2004-05);
          Falling of mine through air, water, and sediment is investigated experimentally and theoretically. Two experiments were conducted to drop cylindrical mine with the density ratio around 1.8 into shallow water (around 13 m ...
        • Thumbnail

          Mine impact burial model (IMPACT35) verification and improvement using sediment bearing factor method 

          Fan, Chenwu; Chu, Peter C. (2007);
          Recently, a 3-D model (IMPACT35) was developed to predict a falling cylindrical mine’s location and orientation in air–water–sediment columns. The model contains the following three components: 1) triple coordinate transform, ...
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          Mine Burial Expert System for change of MIW doctrine 

          Beuligmann, Christopher M. (Monterey, California. Naval Postgraduate School, 2011-09);
          Mine impact burial models such as IMPACT25, IMPACT28, and IMPACT35 have been used in the MIW community in an attempt to calculate the percentage of impact burial for sea mines. Until recently the models have been ...
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