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dfem interface #1428

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@ebchin ebchin commented Jul 30, 2025

This PR

  • adds a preliminary dfem interface to serac as a GPU-capable alternative to Functional
  • adds tests including 1) a dfem vs functional comparison of residual calcs, 2) a test of a dfem lumped mass operator, and 3) a test with an explicit dynamics example using dfem

ebchin and others added 30 commits June 3, 2025 12:21
@ebchin
initial changes
260ee5b
@ebchin
Merge branch 'develop' into task/chin23/dfem-build
a6cb0d8
@ebchin
tioga host config
0ad2890
@ebchin
ruby dfem host config
94ea836
@ebchin
Merge branch 'develop' into task/chin23/dfem-build
dd1a4b3
@ebchin
more general dfem qfunction material
bffad92
@ebchin
add more features
34f86a9
@ebchin
start testing a diff_op for each term
734a6de
@ebchin
set params at construction
ff90748
@ebchin
Merge branch 'develop' into feature/chin23/dfem-residual-ex
ad84518
@ebchin
cleanup
a22d0fa
@ebchin
get it building for now
11a7b92
@ebchin
simple example changes
92ad0f2
@ebchin
clang 20 fixes and other small changes
d8f44d2
@ebchin
acceleration fixes
1649655
@ebchin
lumped mass operator
88f6c80
@ebchin
mass term
a09d398
@ebchin
simplifications, new examples, gpu fixes
4b7540c
@ebchin
auto vjp operator from orig
3b16ee2
@ebchin
make tensor class match
4d66ca7
@ebchin
more updates to match type
4652112
@ebchin
more updates for vjp
3ac7549
@ebchin
small fixes, vjp test
1346e66
@ebchin
pulling over a working subset of dfem-residual-ex
a1fd3c4
@ebchin
example and test cleanup
ec9f22e
@ebchin
update docs
4acb25b
@ebchin
formatting and comments
37fde7e
@ebchin
make dfem stuff optional
7a91d3e
@ebchin
fixes with cmake defs
c0fbe8a
@ebchin
add missing include
dffe8a9
ebchin and others added 30 commits September 24, 2025 23:11
@ebchin
format
0cd5538
@ebchin
Merge branch 'task/update_tpls_for_enzyme' into feature/chin23/dfem-r…
431c7fa 
…esidual-ex
@ebchin
Merge branch 'task/update_tpls_for_enzyme' into feature/dfem-explicit…
c956443 
…-dynamics-gpu
@ebchin
cleanup from other PR
03bc7c3
@ebchin
turn off enzyme until tpl update
2cac1bc
@ebchin
fix naming
d7d564b
@ebchin
Merge branch 'feature/dfem-explicit-dynamics-gpu' into feature/chin23…
53026d1 
…/dfem-residual-ex
@ebchin
start example cleanup
4cf9841
@ebchin
rest of example fixes
8daa9d7
@ebchin
try residual_vector as a member
1dbc62b
@ebchin
move some functions
f5a2523
@ebchin
update comment
d459ddf
@ebchin
update tpls
b59ff75
@ebchin
turn off dane llvm codevelop for now
72f7b8c
@ebchin
Merge branch 'feature/dfem-explicit-dynamics-gpu' into feature/chin23…
5ab1324 
…/dfem-residual-ex
@ebchin
make tests optional
2a1e1fe
@btalamini
WIP stubbing out a dfem plasticity example
98ccb01
@ebchin
begin add quad to dfem interface
13073f2
@ebchin
finish plumbing quad field; update plasticity example
7c4fcd2
@btalamini
Fix compilation error due to quadrature field arguments being needed …
94e4556 
…by operators
@btalamini
WIP get residual to evaluate with plasticity model
db00a44
@ebchin
small bugfixes
8533ad2
@btalamini
Change applied displacement field to uniaxial stress solution for eas…
00712e5 
…y verification

Reaction forces look wrong
@btalamini
Add missing domain attribute to residual
8f09af1
@btalamini
Evaluate internal state variables with an mfem object shoved right in…
9b94189 
… the driver
@btalamini
Take a shot at computing derivative of internal state update, answer …
24f7e89 
…is wrong but doesn't segfault
@btalamini
First cut at JVP of internal state update
9829f1f
@ebchin
Merge branch 'develop' into feature/chin23/dfem-residual-ex
42d9e03
@ebchin
build fixes
a765b0f
@ebchin
include cleanup
5f8579a
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3 participants

@ebchin @btalamini