Mandyoc

Spec sheet

Purpose

Mandyoc is a finite element code built on PETSc to simulate thermo-chemical convection of Earth's mantle.Read 12 Oct 2026 · ggciag.github.io

Free plan

YesRead 24 Sep 2026 · ggciag.github.io

Support

The project directs users to GitHub discussions and issues and lists support contacts [email protected] and [email protected].Read 12 Oct 2026 · ggciag.github.io

License

Mandyoc is free software distributed under the BSD 3-clause License.Read 12 Oct 2026 · ggciag.github.io

3D visuals

YesRead 24 Sep 2026 · ggciag.github.io

Configuration

The parameter file configures options including solver type, particle advection, surface tracking, viscosity, and simulation time limits.Read 11 Oct 2026 · ggciag.github.io

Container

The project provides a Docker container image for Mandyoc.Read 12 Oct 2026 · ggciag.github.io

Delivery mode

desktopRead 24 Sep 2026 · ggciag.github.io

Dependency

Mandyoc requires the PETSc library to run.Read 11 Oct 2026 · ggciag.github.io

Dimensions

The implementation uses hexahedral elements for three-dimensional grids and quadrilateral elements for two-dimensional grids.Read 11 Oct 2026 · ggciag.github.io

Documentation and examples

The documentation includes installation instructions, parameter and input file descriptions, applications, examples, and benchmark studies.Read 12 Oct 2026 · ggciag.github.io

Examples

The repository's examples include Jupyter notebooks with explanations and instructions for running experiments.Read 11 Oct 2026 · ggciag.github.io

Inputs

Initial temperature, velocity, and model interface geometry can be supplied using ASCII input files.Read 12 Oct 2026 · ggciag.github.io

Notable limitation

The installation guide says Mandyoc currently supports PETSc up to v3.24.5 and advises against versions above v3.25.Read 12 Oct 2026 · ggciag.github.io

Numerical method

It uses the finite element method, with hexahedral elements for 3D grids and quadrilateral elements for 2D grids.Read 12 Oct 2026 · ggciag.github.io

Particles

The code tracks composition by placing particles in finite elements and advecting them according to nearby node velocities.Read 12 Oct 2026 · ggciag.github.io

Physics

The model solves conservation equations for mass, momentum, and energy using a non-Newtonian fluid formulation and the Boussinesq approximation.Read 12 Oct 2026 · ggciag.github.io

Platforms and dependencies

The installation instructions support Linux and macOS; Windows installation has not been tested, and building requires PETSc, gcc, and make.Read 12 Oct 2026 · ggciag.github.io

Rheologies

It supports different linear and non-linear rheologies to simulate strain and stress patterns in Earth's crust and mantle during extension or collision.Read 11 Oct 2026 · ggciag.github.io

Rheology

The code supports different linear and non-linear rheologies for simulating strain and stress patterns in the crust and mantle.Read 12 Oct 2026 · ggciag.github.io

Rheology features

Its documented options include visco-plastic deformation, Byerlee or Drucker-Prager plasticity criteria, and temperature-based or power-law viscous rheology.Read 11 Oct 2026 · ggciag.github.io

Rheology options

Available options include plastic yield criteria and viscous rheologies such as Frank-Kamenetskii and power-law models.Read 12 Oct 2026 · ggciag.github.io

Supported operating systems

The documented installation steps work on Linux and macOS; the project says installation on Windows has not been tested.Read 11 Oct 2026 · ggciag.github.io

Surface processes

Configuration options allow free-surface tracking and erosion and sedimentation simulation.Read 12 Oct 2026 · ggciag.github.io

Surface stabilization

It uses a Free Surface Stabilization Algorithm to address numerical instabilities at the model surface.Read 11 Oct 2026 · ggciag.github.io

Where Specifiction places it

• Physics Simulation Software#47 of 897.6