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FAQHELPSITE MAPCONTACT US


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1 Introduction 1 1.1 Background and motivation . . . . . . . . . . . . . . . . . . . . . . . 1
 

Summary: Contents
1 Introduction 1
1.1 Background and motivation . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Detonation shock dynamics (DSD) . . . . . . . . . . . . . . . . . . . 2
1.3 Level-set methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.4 Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Dynamics of a Dn - relation 10
2.1 Level-set formulation . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Mathematical type and stability . . . . . . . . . . . . . . . . . . . . . 14
2.3 Numerical implementation . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3.1 Interior differencing . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3.2 Initial conditions . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.4 Boundary conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.4.1 Angle boundary conditions . . . . . . . . . . . . . . . . . . . . 18
2.4.2 Implementation of angle boundary conditions . . . . . . . . . 25
2.5 Extensions to three dimensions . . . . . . . . . . . . . . . . . . . . . 31
2.6 Creating a burn table . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.7 Numerical stability and accuracy . . . . . . . . . . . . . . . . . . . . 32
2.8 3-D Seven-point detonation in PBX9502 . . . . . . . . . . . . . . . . 35
3 Dynamics of a Dn - Dn - relation 37

  

Source: Aslam, Tariq - Los Alamos National Laboratory

 

Collections: Physics