Matthew Knepley <[email protected]> writes: >> We are developing novel subspace methods to deal with inequality bounds on >> the variables. >> ResQPASS, short for Residual Quadratic programming active set Subspace >> method, behaves asymptotically as a Krylov subspace. The paper is >> published in SISC and is available in >> https://urldefense.us/v3/__https://arxiv.org/abs/2302.13616__;!!G_uCfscf7eWS!YmnwRAx_eHfCG2V2WlrTySK1w_eSwS7AWzqhbyF8TX1KlhOBuYKbPTTnNY1Z7sYdVgQj9V1rS6hZig316hL9$ >> >> <https://urldefense.us/v3/__https://arxiv.org/abs/2302.13616__;!!G_uCfscf7eWS!bnM-6GCLUYnx_bcmKoE5yD6ehhfMLkUeEB7g_LRq0OMhvkWuwolEBu_gw8jdqo-VxP43j8InK6Eb6X6U9g$> >> . >> >> In the past we contributed several pipelined methods in KSP. But the >> current methods might also be of value for large scale optimization >> problems. We believe that the method will be very useful for contact >> problems and variational inequalities that model interacting mechanical >> systems. >> >> Who should I contact to discuss the best strategy to add the solver? >> > > That sounds great! I am currently working on variational inequalities for > frictional contact (for earthquake systems). I would be happy to help you > integrate these solvers. We are excited to test different formulations (the > LVPP people are also talking to us). Let me know how I can help.
I agree this is useful. You can create an issue in the repository or make a new topic on the PETSc discord. https://urldefense.us/v3/__https://gitlab.com/petsc/petsc/-/issues/new__;!!G_uCfscf7eWS!Y26oQ0Kg5KC-FFbyyj95vOMLAKbJ7o9AUhZb_3PtRekzy3HGrleNytFKCkG1C4BrBLiA9z6BdwZYmJiqVX4$
