GPU-resident sparse direct linear solvers for alternating current optimal power flow analysis

K Świrydowicz, N Koukpaizan, T Ribizel… - International Journal of …, 2024 - Elsevier
Integrating renewable resources within the transmission grid at a wide scale poses
significant challenges for economic dispatch as it requires analysis with more optimization …

Accelerating optimal power flow with GPUs: SIMD abstraction of nonlinear programs and condensed-space interior-point methods

S Shin, M Anitescu, F Pacaud - Electric Power Systems Research, 2024 - Elsevier
This paper introduces a framework for solving alternating current optimal power flow
(ACOPF) problems using graphics processing units (GPUs). While GPUs have …

Utilizing modern computer architectures to solve mathematical optimization problems: A survey

DEB Neira, CD Laird, LR Lueg, SM Harwood… - Computers & Chemical …, 2024 - Elsevier
Numerical algorithms to solve mathematical optimization problems efficiently are essential to
applications in many areas of engineering and computational science. To solve optimization …

HyKKT: a hybrid direct-iterative method for solving KKT linear systems

S Regev, NY Chiang, E Darve, CG Petra… - Optimization Methods …, 2023 - Taylor & Francis
We propose a solution strategy for the large indefinite linear systems arising in interior
methods for nonlinear optimization. The method is suitable for implementation on hardware …

Finite element analysis-enabled optimization of process parameters in additive manufacturing

J Wang, P Papadopoulos - Finite Elements in Analysis and Design, 2025 - Elsevier
A design optimization framework is proposed for process parameters in additive
manufacturing. A finite element approximation of the coupled thermomechanical model is …

Ginkgo-A math library designed to accelerate Exascale Computing Project science applications

T Cojean, P Nayak, T Ribizel… - … Journal of High …, 2024 - journals.sagepub.com
Large-scale simulations require efficient computation across the entire computing hierarchy.
A challenge of the Exascale Computing Project (ECP) was to reconcile highly …

Iterative methods in GPU-resident linear solvers for nonlinear constrained optimization

K Świrydowicz, N Koukpaizan, M Alam, S Regev… - Parallel Computing, 2025 - Elsevier
Linear solvers are major computational bottlenecks in a wide range of decision support and
optimization computations. The challenges become even more pronounced on …

Towards efficient alternating current optimal power flow analysis on graphical processing units

K Świrydowicz, N Koukpaizan… - 2023 XXIX …, 2023 - ieeexplore.ieee.org
We present a solution of sparse alternating current optimal power flow (ACOPF) analysis on
graphical processing unit (GPU). In particular, we discuss the performance bottlenecks and …

Design optimization in unilateral contact using pressure constraints and Bayesian optimization

J Wang, J Solberg, MA Puso, EB Chin… - arXiv preprint arXiv …, 2024 - arxiv.org
Design optimization problems, eg, shape optimization, that involve deformable bodies in
unilateral contact are challenging as they require robust contact solvers, complex …

On the implementation of a quasi-Newton interior-point method for PDE-constrained optimization using finite element discretizations

CG Petra, M Salazar De Troya, N Petra… - Optimization Methods …, 2023 - Taylor & Francis
We present a quasi-Newton interior-point method appropriate for optimization problems with
pointwise inequality constraints in Hilbert function spaces. Among others, our methodology …