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Superseismic Loading and Shock Polars: An Example of Fluid-Solid Coupling

Arienti, Marco and Shepherd, Joseph E. (2001) Superseismic Loading and Shock Polars: An Example of Fluid-Solid Coupling. ASCI Technical Report, ASCI-TR134. . (Unpublished)

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We propose a two-dimensional problem involving fluid-solid coupling where a solution is given in closed form. The upper half of the domain is modeled as an isotropic solid; the lower part as a compressible gas. The loading of the solid at the fluid-solid boundary is called superseismic when its speed is larger than the speed of propagation of disturbances in the bulk of the material. The loading is modeled by a shock coupled to the deformation of the boundary. The problem is relevant to high explosive applications, since it is very similar to the interaction between an explosive and the casing in a cylinder test experiment. Within this framework, we show the existence of self-similar solutions in the reference frame moving with the shock wave.

Item Type:Report or Paper (Technical Report)
Related URLs:
URLURL TypeDescription ItemConference Paper
Arienti, Marco0000-0001-8166-0016
Shepherd, Joseph E.0000-0003-3181-9310
Additional Information:This work was carried out at Caltech ASCI ASAP and funded by Contract B341492 under DOE Contract W-7405-ENG-48.
Group:Accelerated Strategic Computing Initiative, GALCIT
Funding AgencyGrant Number
Department of Energy (DOE)B341492
Department of Energy (DOE)W-7405-ENG-48
Series Name:ASCI Technical Report
Issue or Number:ASCI-TR134
Record Number:CaltechAUTHORS:20230210-235039883
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:119221
Deposited By: George Porter
Deposited On:11 Feb 2023 22:08
Last Modified:11 Feb 2023 22:08

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