# ASPECT Newsletter #146

**URL:** <https://community.geodynamics.org/t/aspect-newsletter-146/2290>\
**Category:** ASPECT\
**Created:** [March 2, 2022, 5:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-146/2290 "2022-03-02T17:00:15Z")\
**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:** [March 2, 2022, 5:00pm UTC](https://community.geodynamics.org/t/aspect-newsletter-146/2290/1 "2022-03-02T17:00:15Z")

</div>

Hello everyone!

This is ASPECT newsletter #146.  
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:

[#4511](https://github.com/geodynamics/aspect/pull/4511): Add a necessary header file. (implemented by [bangerth](https://github.com/bangerth))  
[#4510](https://github.com/geodynamics/aspect/pull/4510): Fix a UTF8 character. (implemented by [bangerth](https://github.com/bangerth))  
[#4509](https://github.com/geodynamics/aspect/pull/4509): update parameters (implemented by [tjhei](https://github.com/tjhei); reviewed by [bangerth](https://github.com/bangerth))  
[#4504](https://github.com/geodynamics/aspect/pull/4504): only average viscosity if the viscosity is computed in the material model (implemented by [jdannberg](https://github.com/jdannberg))  
[#4503](https://github.com/geodynamics/aspect/pull/4503): fix gplates scaling factor (implemented by [jdannberg](https://github.com/jdannberg); reviewed by [bangerth](https://github.com/bangerth))  
[#4502](https://github.com/geodynamics/aspect/pull/4502): Add new publication by ONeill and Aulbach (implemented by [ljhwang](https://github.com/ljhwang); reviewed by [bangerth](https://github.com/bangerth))  
[#4497](https://github.com/geodynamics/aspect/pull/4497): support reading larger than 2GB data files (implemented by [tjhei](https://github.com/tjhei))  
[#4495](https://github.com/geodynamics/aspect/pull/4495): GMG: compute mesh displacement [WIP] (implemented by [zjiaqi2018](https://github.com/zjiaqi2018))  
[#4494](https://github.com/geodynamics/aspect/pull/4494): Do not rely on uninitialized state in AsciiDataBoundary (implemented by [gassmoeller](https://github.com/gassmoeller))  
[#4491](https://github.com/geodynamics/aspect/pull/4491): comment about melt solver (implemented by [tjhei](https://github.com/tjhei); reviewed by [gassmoeller](https://github.com/gassmoeller))  
[#4490](https://github.com/geodynamics/aspect/pull/4490): Integrate dataset slicing into normal ascii data plugin (implemented by [gassmoeller](https://github.com/gassmoeller); reviewed by [jdannberg](https://github.com/jdannberg))  
[#4477](https://github.com/geodynamics/aspect/pull/4477): fixing typos and adding 2022 paper (implemented by [cedrict](https://github.com/cedrict); reviewed by [bangerth](https://github.com/bangerth))

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

[#4508](https://github.com/geodynamics/aspect/issues/4508) Definition of lithostatic pressure (opened)  
[#4507](https://github.com/geodynamics/aspect/issues/4507) Why is the mesh refined for tagging strategies even if the initial adaptive refinement is set to 0? (opened)  
[#4506](https://github.com/geodynamics/aspect/issues/4506) Still an issue with writing out large files? (opened and closed)  
[#4505](https://github.com/geodynamics/aspect/issues/4505) Where to put example .prm files? (opened)  
[#4501](https://github.com/geodynamics/aspect/issues/4501) spack installation can not compile plugin (opened)  
[#4500](https://github.com/geodynamics/aspect/issues/4500) document how to use spack (opened)  
[#4499](https://github.com/geodynamics/aspect/issues/4499) update installation FAQ (opened)  
[#4498](https://github.com/geodynamics/aspect/issues/4498) CMake install is missing aspect/config.h (opened and closed)  
[#4496](https://github.com/geodynamics/aspect/issues/4496) Limit the growth of the time step size (opened)  
[#4457](https://github.com/geodynamics/aspect/issues/4457) Negative temperatures in 3D models (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/).