QDYN: a Quasi-DYNamic earthquake simulator (v1.1)

Yingdi Luo, J.P. Ampuero Saenz, Percy Galvez, M.P.A. van den Ende, Benjamin Idini

Research output: Non-textual formSoftwareOther research output


QDYN is a boundary element software package to simulate earthquake cycles (tectonic fault slip) under the quasi-dynamic approximation (quasi-static elasticity with radiation damping).

The code implements adaptive time stepping and shared-memory (OpenMP) and MPI parallelization to simulate earthquake cycles including seismic and aseismic slip. QDYN includes various forms of rate-and-state friction and state evolution laws. It handles non-planar fault geometries in 3D and 2D elastic media, as well as spring-block simulations. It has a user-friendly matlab interface and graphical output.
Original languageEnglish
Media of outputOnline
Publication statusPublished - Feb 2017


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