# ASPECT Newsletter #114

**URL:** <https://community.geodynamics.org/t/aspect-newsletter-114/1580>\
**Category:** ASPECT\
**Created:** [November 17, 2020, 5:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-114/1580 "2020-11-17T17:00:18Z")\
**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:** [November 17, 2020, 5:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-114/1580/1 "2020-11-17T17:00:18Z")

</div>

Hello everyone!

This is ASPECT newsletter #114.  
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:

[#3893](https://github.com/geodynamics/aspect/pull/3893): Modified the plugin for depths more than the input viscosity file. (implemented by [alarshi](https://github.com/alarshi))  
[#3892](https://github.com/geodynamics/aspect/pull/3892): remove virtual when using override (implemented by [tjhei](https://github.com/tjhei))  
[#3891](https://github.com/geodynamics/aspect/pull/3891): add missing instantiation (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3890](https://github.com/geodynamics/aspect/pull/3890): add missing override (implemented by [tjhei](https://github.com/tjhei); reviewed by [MFraters](https://github.com/MFraters))  
[#3889](https://github.com/geodynamics/aspect/pull/3889): fix undefined behavior in visco\_plastic (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3888](https://github.com/geodynamics/aspect/pull/3888): removed factor two in elasticity strain rate calculation (implemented by [bobmyhill](https://github.com/bobmyhill))  
[#3886](https://github.com/geodynamics/aspect/pull/3886): Refactor viscoelastic viscosity (implemented by [bobmyhill](https://github.com/bobmyhill))  
[#3884](https://github.com/geodynamics/aspect/pull/3884): [WIP] Addition: Composite viscoplastic now includes damped Drucker-Prager element (implemented by [bobmyhill](https://github.com/bobmyhill))  
[#3883](https://github.com/geodynamics/aspect/pull/3883): adding Assanelli et al to publications (implemented by [ljhwang](https://github.com/ljhwang); reviewed by [tjhei](https://github.com/tjhei))  
[#3882](https://github.com/geodynamics/aspect/pull/3882): Periodic particles in quarter shell (implemented by [kchotalia](https://github.com/kchotalia); reviewed by [tjhei](https://github.com/tjhei))  
[#3881](https://github.com/geodynamics/aspect/pull/3881): add depth averaging for compositional field mass (implemented by [jdannberg](https://github.com/jdannberg); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#3880](https://github.com/geodynamics/aspect/pull/3880): Make error messages more visible when compiling manual.tex. (implemented by [bangerth](https://github.com/bangerth); reviewed by [tjhei](https://github.com/tjhei))

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

[#3894](https://github.com/geodynamics/aspect/issues/3894) Issue with the Block GMG with tengential boundary conditions (opened)  
[#3887](https://github.com/geodynamics/aspect/issues/3887) Possible factor 2 error in elasticity.cc (opened)  
[#3885](https://github.com/geodynamics/aspect/issues/3885) Tracking issue for adding CPO/LPO tracking and development to aspect (opened)  
[#3875](https://github.com/geodynamics/aspect/issues/3875) Iterate error code -2: numerical breakdown (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/).