# ASPECT Newsletter #105

**URL:** <https://community.geodynamics.org/t/aspect-newsletter-105/1343>\
**Category:** ASPECT\
**Created:** [July 14, 2020, 4:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-105/1343 "2020-07-14T16:00:25Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![rgassmoeller](https://yyz2.discourse-cdn.com/flex036/user_avatar/community.geodynamics.org/rgassmoeller/32/49_2.png) [@rgassmoeller](https://community.geodynamics.org/u/rgassmoeller)\
**Post date:** [July 14, 2020, 4:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-105/1343/1 "2020-07-14T16:00:25Z")

</div>

Hello everyone!

This is ASPECT newsletter #105.  
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:

[#3600](https://github.com/geodynamics/aspect/pull/3600): Tomography (implemented by [alarshi](https://github.com/alarshi))  
[#3598](https://github.com/geodynamics/aspect/pull/3598): Calculate viscosity on phases (implemented by [lhy11009](https://github.com/lhy11009))  
[#3597](https://github.com/geodynamics/aspect/pull/3597): add unity build changelog entry (implemented by [tjhei](https://github.com/tjhei); reviewed by [tjhei](https://github.com/tjhei))  
[#3596](https://github.com/geodynamics/aspect/pull/3596): [Discussion] Include tracking of configuration data. (implemented by [gassmoeller](https://github.com/gassmoeller))  
[#3595](https://github.com/geodynamics/aspect/pull/3595): communicate refinement flags on ghost cells (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3594](https://github.com/geodynamics/aspect/pull/3594): fix indent script (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3593](https://github.com/geodynamics/aspect/pull/3593): disable world builder in cmake UNITY\_BUILD (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3592](https://github.com/geodynamics/aspect/pull/3592): Remove unnecessary include from simulator\_access.h (implemented by [gassmoeller](https://github.com/gassmoeller); reviewed by [tjhei](https://github.com/tjhei))  
[#3591](https://github.com/geodynamics/aspect/pull/3591): unity build fixes (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3590](https://github.com/geodynamics/aspect/pull/3590): undef INSTANTIATE macro (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3589](https://github.com/geodynamics/aspect/pull/3589): introduce config.h for compile definitions (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3588](https://github.com/geodynamics/aspect/pull/3588): remove spack yaml file (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3587](https://github.com/geodynamics/aspect/pull/3587): Use native cmake to precompile headers (implemented by [gassmoeller](https://github.com/gassmoeller); reviewed by [tjhei](https://github.com/tjhei))  
[#3584](https://github.com/geodynamics/aspect/pull/3584): update parameters (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3583](https://github.com/geodynamics/aspect/pull/3583): set required deal.II version to 9.2.0, update testers (implemented by [tjhei](https://github.com/tjhei))  
[#3581](https://github.com/geodynamics/aspect/pull/3581): update release task list (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3579](https://github.com/geodynamics/aspect/pull/3579): www: fix my email (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3578](https://github.com/geodynamics/aspect/pull/3578): www: update database (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3576](https://github.com/geodynamics/aspect/pull/3576): update citing.html and bib entries (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3575](https://github.com/geodynamics/aspect/pull/3575): www: update cite.html (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3574](https://github.com/geodynamics/aspect/pull/3574): update zenodo DOI in README (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3573](https://github.com/geodynamics/aspect/pull/3573): www: tabs2spaces (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3572](https://github.com/geodynamics/aspect/pull/3572): www: add 2.2.0 (implemented by [tjhei](https://github.com/tjhei); reviewed by [tjhei](https://github.com/tjhei))  
[#3571](https://github.com/geodynamics/aspect/pull/3571): [2.2] cherry-picks (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3570](https://github.com/geodynamics/aspect/pull/3570): FIND\_PACKAGE bump required ASPECT version (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3569](https://github.com/geodynamics/aspect/pull/3569): update viscosity\_grooves benchmark (implemented by [tjhei](https://github.com/tjhei); reviewed by [tjhei](https://github.com/tjhei))  
[#3544](https://github.com/geodynamics/aspect/pull/3544): phase transition: average phase value (implemented by [lhy11009](https://github.com/lhy11009); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3488](https://github.com/geodynamics/aspect/pull/3488): separate two merged boxes from box geometry model (implemented by [MFraters](https://github.com/MFraters); reviewed by [gassmoeller](https://github.com/gassmoeller))

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

[#3599](https://github.com/geodynamics/aspect/issues/3599) Improve GPlates parameter documentation (opened)  
[#3586](https://github.com/geodynamics/aspect/issues/3586) Continental geotherm should support new syntax for Densities from visco plastic material model (opened)  
[#3585](https://github.com/geodynamics/aspect/issues/3585) modernize unity builds (opened)  
[#3582](https://github.com/geodynamics/aspect/issues/3582) deal.II version bump (opened)  
[#3580](https://github.com/geodynamics/aspect/issues/3580) Add PREM density (opened)  
[#3577](https://github.com/geodynamics/aspect/issues/3577) spack instructions don’t work (opened)  
[#3518](https://github.com/geodynamics/aspect/issues/3518) Release 2.2.0 planning (closed)

A list of all major changes since the last release can be found at [this website](https://aspect.geodynamics.org/doc/doxygen/changes_current.html).

Thanks for being part of the community!

Let us know about questions, problems, bugs or just share your experience by visting our [forum](https://community.geodynamics.org/c/aspect), or by opening issues or pull requests on [Github](https://www.github.com/geodynamics/aspect).  
Additional information can be found at our [official website](https://aspect.geodynamics.org/), and CIG’s [ASPECT website](https://geodynamics.org/cig/software/aspect/).
