ASPECT Newsletter #102

Hello everyone!

This is ASPECT newsletter #102.
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:

#3514: Fix tangential BCs for GMG (proposed by tcclevenger; merged)
#3513: fixing a small typo in documentation (proposed by pkestene; merged)
#3510: add IDR(s) Stokes Kylov solver (proposed by tcclevenger)
#3509: Bypass topography in coordinate conversion (proposed by anne-glerum)
#3508: Fix compiler warning (proposed by anne-glerum; merged)
#3507: Add info unit boundary velocity (proposed by anne-glerum; merged)
#3506: add another publication with ASPECT (proposed by jdannberg; merged)
#3505: Add a paper that is based on ASPECT. (proposed by bangerth; merged)
#3504: Allow disable EV for compositions at boundaries (proposed by gassmoeller)
#3503: add unittest for Utilities::AsciiDataLookup (proposed by tjhei; merged)
#3502: Fix call to AsciiDataLookup::get_gradients() (proposed by gassmoeller; merged)
#3501: add project to Q1 only viscosity averaging (proposed by tcclevenger; merged)
#3500: Add Viscoelastic Cantilever Benchmark (proposed by danieldouglas92)
#3499: Add a benchmark that solves the entropy equation (proposed by gassmoeller; merged)
#3498: add project_cellwise function (proposed by tcclevenger; merged)
#3497: Added stabilization interface for advection assemblers (proposed by gassmoeller)
#3496: Change input method, allowing single input value for compositions and… (proposed by lhy11009)
#3495: add Q1 viscosity projection for GMG (proposed by tcclevenger)
#3493: WIP: add more tests for reference before optimizing. (proposed by MFraters)
#3492: Move dynamic_friction functionality to an existing rheology module (proposed by naliboff)
#3491: Maintenance May 2020 (proposed by tjhei; merged)
#3490: add gmg objects to memory stats (proposed by tcclevenger; merged)
#3489: Fix visco plastic finite difference (proposed by MFraters; merged)
#3488: separate two merged boxes from box geometry model (proposed by MFraters)
#3487: reduce gmg storage (proposed by tcclevenger; merged)
#3486: update doc/ (proposed by tjhei; merged)
#3485: Cookbooks folder conversion: gplates (proposed by tjhei; merged)
#3484: www: update readme (proposed by tjhei; merged)
#3483: www: update js database (proposed by tjhei; merged)
#3482: Extend particle property update interface (proposed by gassmoeller)
#3480: Allow tangential mesh velocities for zero Stokes velocity boundaries (proposed by anne-glerum; merged)
#3478: Visualization: add averaged stress/strain option (proposed by tjhei; merged)
#3477: .gitignore output folders (proposed by tjhei; merged)
#3476: Make Assert AssertThrow in vp (proposed by anne-glerum; merged)
#3475: Add website checkbox for projected density approximation (proposed by gassmoeller; merged)
#3474: Add citation for latest paper (proposed by gassmoeller; merged)
#3473: [WIP] Add plastic damper to plasticity (proposed by naliboff)
#3472: averaged strain rate postprocessor (proposed by tjhei)
#3471: add missing deal.II header (proposed by tjhei; merged)
#3470: check MPI return values (proposed by tjhei; merged)
#3469: Use Utilities::fexists where appropriate (proposed by gassmoeller; merged)
#3468: Fix renaming variable checkpoint data (proposed by gassmoeller; merged)
#3467: Parameter view: search url (proposed by tjhei; merged)
#3464: Make error message clearer. (proposed by bangerth; merged)
#3460: Fix newton tosi benchmark (proposed by gassmoeller; merged)
#3457: Allow requests for material properties (proposed by gassmoeller; merged)
#3453: Use diagonal strengthing in advection solve (proposed by tjhei; merged)
#3447: Add a spiral sampling method in gravity postprocessor (proposed by LudovicJnnt; merged)
#3445: Patterns::Double and Integer arguments (proposed by tjhei; merged)
#3363: Adiabatic boundary (proposed by njinju; merged)

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

#3512 No normal flux GMG parallel issues (opened and closed)
#3511 Mesh deformation function plugin misses conversion to m/yr (opened)
#3494 Expected template-name before “<” token… (opened)
#3481 Numerical breakdown regarding pressure BCs (opened and closed)
#3479 Compiler warnings dangling else (opened)
#3463 resume computation fails with particles (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.