ASPECT Newsletter #71

Hello everyone!

       This is ASPECT newsletter #71.

It automatically reports recently merged features and discussions about the ASPECT mantle convection code.

Below you find a list of recently proposed or merged features:

#2771: fix inclusion benchmark with averaging (proposed by tjhei; merged)

#2770: udpate world builder to version 0.2.0-pre. (proposed by MFraters)

#2769: macro names without double underscore (proposed by tjhei; merged)

#2768: Extract velocity bdry constraints (proposed by tjhei; merged)

#2766: remove warning in benchmarks/inclusion (proposed by tjhei; merged)

#2765: use unique_ptr for FreeSurfaceHandler (proposed by tjhei; merged)

#2764: reorder solver parameters by subsection (proposed by tjhei; merged)

#2763: update publications (proposed by tjhei)

#2761: add assert and notes about inhomogeneous constraints (proposed by tjhei)

#2760: Link to the 2019 hackathon. (proposed by bangerth; merged)

#2759: Make spelling conform to common styles. (proposed by bangerth; merged)

#2756: Add a termination criteria for steady state temperature (proposed by gassmoeller)

#2755: Improve error message of ascii data plugin while loading file (proposed by gassmoeller; merged)

#2754: Support sphere geometry in ascii data plugin (proposed by gassmoeller; merged)

#2752: Fix initial topography for moved box origin (proposed by gassmoeller; merged)

#2751: Extend parameter view (proposed by gassmoeller; merged)

#2750: update parameters (proposed by tjhei; merged)

#2749: Extend parameter view (proposed by gassmoeller)

#2748: Link to parameter view (proposed by gassmoeller; merged)

#2747: Introduce parameters.xml (proposed by gassmoeller; merged)

#2703: Add newton paper benchmarks (proposed by MFraters; merged)

#2675: Implement consistent boundary heat flux computation (proposed by gassmoeller; merged)

And this is a list of recently opened or closed discussions:

#2767 Geometric Multigrid for faster linear solvers (opened)

#2762 Better document how to add publications using ASPECT to the list on our website (opened)

#2758 Termination criteria do not save state during checkpoint (opened)

#2757 Spherical shell and chunk support for initial topography (opened)

#2753 misleading error message in ascii data plugin (opened and closed)

A list of all major changes since the last release can be found at this website .

Thanks for being part of the community!

Let us know about questions, problems, bugs or just share your experience by visting our [forum](, or by opening issues or pull requests on [Github](

Additional information can be found at our [official website](, and CIG's [ASPECT website](