Published June 26, 2015 | Version v1.0
Software Open

CrusDe: Initial Release

  • 1. New Mexico Tech


CrusDe is a plug-in based simulation framework to study effects due to changes in loads resting on the Earth's surface. Such changes could for example involve a melting glacier, oscillating snow loads, or lava flows. The focus in the simulation could be the response of the Earth's crust in terms of stress changes, changes in strain rates, or simply uplift or subsidence and the respective horizontal displacements of the crust (over time). Users are enabled to:

  • dynamically select software components that participate in a simulation,
  • extend the framework independently with new software components and reuse existing ones, and
  • exchange software components and experiment definitions with other users.

CrusDe implements Green's method in which a unit impulse response is convolved with a forcing function. Realizations of its model elements are independent and exchangeable on the basis of a plug-in approach. Experiment definitions are given in XML files. To this point CrusDe can simulate everything it was given a unit impulse response.

CrusDe's plug-in mechanism aims for straightforward extendability allowing modelers to include, for example, yet not supported Earth models. Current Green's function implementations:

  • elastic response, final relaxed response, pure thick plate response (all flat Earth)

can be combined to express:

  • exponential decay from elastic to final relaxed response, displacement rates

due to:

  • one or multiple disk or irregular loads or a combination of these

that can have independent load history and crustal decay functions

This release is further described in the paper:

Grapenthin, R. (2014), CrusDe: A plug-in based simulation framework for composable CRUStal DEformation simulations. Computers & Geosciences, Vol. 62, pp. 168-177 doi: 10.1016/j.cageo.2013.07.005


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