# ASPECT Newsletter #112

**URL:** <https://community.geodynamics.org/t/aspect-newsletter-112/1540>\
**Category:** ASPECT\
**Created:** [October 20, 2020, 4:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-112/1540 "2020-10-20T16:00:15Z")\
**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:** [October 20, 2020, 4:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-112/1540/1 "2020-10-20T16:00:15Z")

</div>

Hello everyone!

This is ASPECT newsletter #112.  
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:

[#3868](https://github.com/geodynamics/aspect/pull/3868): fix melt migration with heat flux boundaries (implemented by [jdannberg](https://github.com/jdannberg); reviewed by [MFraters](https://github.com/MFraters))  
[#3866](https://github.com/geodynamics/aspect/pull/3866): [WIP] Add scaled viscosity profile (implemented by [gassmoeller](https://github.com/gassmoeller))  
[#3865](https://github.com/geodynamics/aspect/pull/3865): Minor improvements to surface diffusion (implemented by [gassmoeller](https://github.com/gassmoeller))  
[#3864](https://github.com/geodynamics/aspect/pull/3864): ascii\_data initialization for mesh deformation (implemented by [ricitron](https://github.com/ricitron); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3863](https://github.com/geodynamics/aspect/pull/3863): GMG: template argument for number type (implemented by [tjhei](https://github.com/tjhei); reviewed by [bangerth](https://github.com/bangerth))  
[#3862](https://github.com/geodynamics/aspect/pull/3862): Fix typo and update ref (implemented by [anne-glerum](https://github.com/anne-glerum); reviewed by [bangerth](https://github.com/bangerth))  
[#3859](https://github.com/geodynamics/aspect/pull/3859): Improve placement of parentheses. (implemented by [bangerth](https://github.com/bangerth); reviewed by [tjhei](https://github.com/tjhei))  
[#3847](https://github.com/geodynamics/aspect/pull/3847): fix a minus sign in GravityPointValues postprocessor (implemented by [LudovicJnnt](https://github.com/LudovicJnnt); reviewed by [tjhei](https://github.com/tjhei))  
[#3845](https://github.com/geodynamics/aspect/pull/3845): Add to the documentation of a function. (implemented by [bangerth](https://github.com/bangerth); reviewed by [tjhei](https://github.com/tjhei))  
[#3842](https://github.com/geodynamics/aspect/pull/3842): Timestepping: allow repeating of time steps (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3407](https://github.com/geodynamics/aspect/pull/3407): Diffusion of surface boundary topography (implemented by [anne-glerum](https://github.com/anne-glerum); reviewed by [gassmoeller](https://github.com/gassmoeller))

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

[#3869](https://github.com/geodynamics/aspect/issues/3869) Solve problem with Newton solver with heat flux boundaries (opened)  
[#3867](https://github.com/geodynamics/aspect/issues/3867) New Xcode 12.0.1 incompatibility on mac OS (opened and 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/).