* Add Euler module

* Add simple vortex example

* Document Euler operator and add pulse experiment

* Test euler examples in lazy mode

* Make rk4_step importable

* Remove copypasta from example headers

* Make vortex initial condition importable

* Add Euler convergence test to test suite

* Rename: EulerContainer -> EulerField

* Clean up vortex initial condition

* Add type annotations and rename array container

* Clean up helper functions

* Add Euler module to the docs

* Add overintegration option for wave-op-mpi

* Add OI+lazy to examples CI testing

* Draft: Use P^0 discr on affine groups even if quad grid requested

* Refactor geoderiv connection/interpolation steps

* Fix quadrature interpolation

* Add pytato pytest array context factory

* Update metric unit tests

* Clarifying comment

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* Add nonaffine option for wave op example

* Run lazy + nonaffine + overintegration in examples CI testing

* Add quadrature case for metric unit tests

* Add optional import for debugging outside of pytest

* Add docstrings for _use_geoderiv_connection

Co-authored-by: Andreas Kloeckner <inform@tiker.net>

* wave-op-mpi: add simple timing

* fix

* Support array containers in core grudge DG ops

* Convert wave example to use array containers

* Update projection routine to support array containers

* Convert mpi communication

* Use DOFArray-based traversal routines

* Containerize distributed (eager) MPI communication

* Use array container in wave-op-mpi example

* Clean up wave-op-mpi demo

* Use non-recursive array traversal

* Use map_array_container in trace pair exchange

* Remove unused imports

* Remove sketchy assert; shape differs when evaluating fluxes vs storing state

* Refactor containerization routines

* Fix suppressed logging error

* Fix forward flattening map

* Fix type check in projection routine

* dofdesc-itize descriptors first in projection

* Make flattening methods private and provide short docs

* Clean up flatten/unflatten functions and document

* Carefully track ordering of data in flattened array

* Use container flatten/unflatten functions from arraycontext

* Containerize elementwise reductions and add unit tests

* Containerize nodal reductions and add unit tests

* Update documentation to reflect container support

* Catch scalars in op.norm

* Remove flat_norm and use op.norm instead

* Separate initialization and completion of send/recv

* Fix documentation in operator module

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* Rename boundary communicator data/attributes

* Comment on nonblocking MPI communication process in communicator class

* Clean up comments related to rank-communication for trace pairs

* Clean up/clarify documentation related to array containers

* Update reduction unit tests

* Documentation updates

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* Fix comment formatting

* Containerize grad/div functions

* Add checks for empty arrays in grad/div operators

* Fix gradient op for vector-valued components

* Correct div helper for handling empty and nested obj arrays

* Clear up documentation and add clarifying notes

* More shared code in array container support (#191)

* Refactor grad/weak grad to use the same helper, simplify div empty handling

* Factor out some redundant code in elementwise reductions

Co-authored-by: Andreas Klöckner <inform@tiker.net>

Kaushik Kulkarni authored 3 years ago and Andreas Klöckner committed 3 years ago

Co-authored-by: Alex Fikl <alexfikl@gmail.com>

Andreas Klöckner authored 3 years ago and Andreas Klöckner committed 3 years ago

https://github.com/inducer/meshmode/pull/225

* Update function: dt_non_geometric_factor -> dt_non_geometric_factors

* Add timestep estimation helper function

* Add clarifying remark about timestep estimation

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* Make wavespeed argument option

* Drop dt estimator; provide characteristic lengthscales

* Expand and update documentation

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* Allow HyperbolicOperator.max_characteristic_velocity to return local data

* Add warning to dt_geometric_factors about non-volume discretizations

* Add fudge factor to surface advection time step

* Time step estimation: clean up freeze/thaw semantics

* Wave models: clean up freeze/thaw

* Variable coefficient wave model: do not nodal-reduce characteristic velocity

* Add missing freeze(...) for dim=1 case

* Add missing thaw in dt utils unit test

* Fix variable coefficient wave example

* Memoize characteristic lengths rather than geometric factors

* Use actx from wave speed DOFArray in variable coefficient operator

* Pass array context to estimate_rk4_timestep

* Ensure application actx is passed through to timestep estimation

* Update Operator method interfaces for timestepping

* Always return thawed characteristic lengthscales

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* Make nodal reductions mpi-aware

* Add clarifying remark for nodal reductions

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* Use timestep estimation in mpi wave test

Co-authored-by: Andreas Klöckner <inform@tiker.net>

- Rename, document the supporting functions for improved clarity
- Drop dim argument from (former) surface_normal

Co-authored-by: Alex Fikl <alexfikl@gmail.com>