autoTandem
Description
autoTandem
Overview
autoTandem is a lightweight application within the Quakeworx gateway designed to lower the barrier to entry for seismic-cycle modeling. It assumes a 2-D plane-strain configuration and provides a simplified modeling environment built on the Tandem codebase, which solves sequences of earthquakes and aseismic slip (SEAS) using the Symmetric Interior Penalty Galerkin discontinuous Galerkin method. Through the autoTandem interface, users can explore SEAS dynamics without requiring meshing software, scripting workflows, or detailed knowledge of Tandem’s internal configuration. Model setup steps, including mesh generation and input file construction, are fully automated, while users retain control over a small set of key physical parameters such as fault dip angle, normal stress, and spatial distributions of frictional properties. autoTandem also performs internal resolution checks to ensure that the selected discretization meets SEAS accuracy requirements and generates diagnostic plots that aid in visualizing fault slip behavior and interpreting simulation results. Together, these features make autoTandem well suited for training and teaching, while also serving as an entry point to more advanced modeling. Users can later transition to the full Tandem environment within Quakeworx, gaining complete control over model setup, meshing, and simulation parameters.
Citing
If you use tandem via the Quakeworx gateway, please cite the following publications
Uphoff, C., May, D.A. and Gabriel, A.A., 2023. A discontinuous Galerkin method for sequences of earthquakes and aseismic slip on multiple faults using unstructured curvilinear grids. Geophysical Journal International, 233(1), pp.586-626.