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Simulation of Richtmyer Meshkov Flows for Elastic Plastic Solids in Planar and Converging Geometries Using an Eulerian Framework

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Figure

Figure 2.1: Stress–strain curves for tensile one-dimensional experiments. Experimental data in (a)is represented by symbols and obtained from [47], data in (b) has been obtained from experimentsconducted in Prof
Figure 3.2: Density, components of the inverse deformation tensor, and velocity after 3 and 8 time-steps for the initial problem described in Fig
Figure 3.3: Diagram of ghost cells around a two-material interface. Orange-flagged cells representghost cells for material 1, with solid color and diagonal lines marking the inner band, populated bythe solution of a Riemann problem, and the outer region, po
Table 3.3: Comparison between results of approximate Riemann solvers and exact solution for aone-dimensional solid–gas interface Riemann problem involving an expansion wave in the solid anda compression shock in the gas
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Outline

Summary Use of the stretch tensor Test results Influence of the shear modulus and plasticity on the shock velocity Comparison with numerical results Planar Richtmyer–Meshkov instability in solid–vacuum interfaces Baseline problem description Fluid mass conservation Influence of the density ratio Summary of parametric analysis

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