Physical-state supervision for design-only Gaussian process surrogates of implosion simulationsPhysical diagnostics recorded during simulation can organize a sharply varying response, but using them as surrogate inputs normally requires another calculation at prediction. We construct a…Chang Liu, Hao Shen, Chuanying Li·Oct 9, 2026SaveLearn
Energy-dependent trapping of backscattered helium during magnetron sputtering growth: A molecular dynamics studyHelium incorporation during magnetron sputtering can strongly affect thin film growth and lead to the formation of gas/solid nanocomposites and nanoporous structures. Here, molecular dynamics (MD)…Pascal Brault, Anne-Lise Thomann, Alejandro Borroto·Oct 9, 2026SaveLearn
Alter-excitons in Altermagnets: Symmetry, Splitting and DispersionMagnetism provides a fertile platform for discovering emergent quantum phenomena governed by symmetry. Recent developments of spin-space-group (SSG) theory have revealed altermagnets as a distinct…Yuanfan Xiong, Liangyu Wang, Xuan Wu et al.·Oct 9, 2026SaveLearn
All-electron RT-TDDFT with Exact Exchange based on Numeric Atom-centered Orbitals for Condensed MatterReal-time time-dependent density functional theory (RT-TDDFT) has become a widely used first-principles method for studying excited-state and nonequilibrium electron dynamics. Hybrid…Jianhang Xu, Christopher Shepard, Yosuke Kanai·Oct 9, 2026SaveLearn
Polyconvex neural-network surrogates with learned paired directional features for anisotropic hyperelastic homogenizationApproximating the effective anisotropic hyperelastic response of a representative volume element (RVE) requires constitutive expressiveness, mechanical consistency, and computational efficiency. This…S. Ares de Parga, A. Cornejo, J. A. Hernández et al.·Oct 8, 2026SaveLearn
Parallel Design of a GPU-Resident Semi-Lagrangian Drift-Kinetic Solver on Unstructured Extruded Tokamak MeshesSemi-Lagrangian (SL) schemes advect a distribution function along characteristics and remap it to a fixed grid. They are unconditionally stable without a global solve, and with discontinuous Galerkin…Mark F. Adams·Oct 8, 2026SaveLearn
Ghost tasking for parametrized Gaussian Processes solving linear differential equationsPhysics-informed machine learning has gained significant attention in recent years. In regimes of limited data, parametrized Gaussian processes have become popular. Existing approaches, however,…Johanna Moser, Christopher Albert, Sascha Ranftl·Oct 8, 2026SaveLearn
Fast Angular Sweep Monostatic Radar Cross Section Computation via Model Order ReductionThe radar cross section (RCS) is a fundamental parameter in radar engineering, as it determines the detectability of a given target by a radar system. Increasing interest in very low observability…Noelia Naranjo, Valentin de la Rubia·Oct 7, 2026SaveLearn
Self-Shielded Multigroup Microscopic Cross Section Generation Using Targeted Artificial Neural NetworksMultigroup neutron transport models are used widely in simulation codes due to their memory and compute efficiency compared to continuous energy methods. However, multigroup codes rely on nuclear…Joshua Nichols, Andrew Osborne, Ben Whewell et al.·Oct 7, 2026SaveLearn
Reliable Uncertainty Estimation for Machine-Learned Multigroup Cross Sections Without RetrainingUncertainty quantification in machine learning models is essential for nuclear energy applications. While machine learning models can make both uncertainty and point predictions, these models are…Joshua Nichols, Andrew Osborne, Valerio Mascolino·Oct 6, 2026SaveLearn
Convergence of Roberts flow dynamos in Eulerian and Lagrangian codesStandard benchmark tests for numerical magnetohydrodynamics codes focus on one- and two-dimensional problems that ignore the possibility of dynamos, i.e., an exponential instability converting…Nikyta Shchutskyi, Axel Brandenburg, Matthieu Schaller·Oct 6, 2026SaveLearn
Neural-Operator-Predicted Time-Dependent Reduced Subspaces for Projection-Based Simulation of Nonlinear PDEsAccurate numerical simulation of nonlinear partial differential equation initial value problems typically requires high-dimensional full-order discretizations at substantial computational cost. While…Boxi Song, Rennie Mirollo, Jan R. Engelbrecht·Oct 6, 2026SaveLearn
A pressure-based coupled general synthetic iterative scheme for rarefied gas flow simulationThis work develops a pressure-based coupled (PBC) GSIS. Within each GSIS iteration, a conventional kinetic solver advances the velocity distribution function, from which non-equilibrium constitutive…Yanbing Zhang, Yifan Wen, Lei WU·Oct 6, 2026SaveLearn
Characteristics of extinction behavior of ammonia partial cracking simulated fuels in counterflow premixed flames under lean conditionIn this study, the lean extinction behaviors of CH4 and a 16% cracked ammonia surrogate fuel, CR16, in counterflow premixed flames were compared. Experiments were conducted along with one-dimensional…Jinseong Kim, Hyunchang Lee, Keeman Lee et al.·Oct 6, 2026SaveLearn
Constitutive-Set Mechanics: variational mechanics on an admissible set of constitutive lawsA structural simulation needs a constitutive law, and experiments rarely determine one uniquely: several laws may fit the same data and satisfy the same physical constraints, yet differ where the…Altaf Ahmad Lone, R. T. Durai Prabhakaran, Tawqeer Nasir Tak et al.·Oct 5, 2026SaveLearn
Mechanism-resolved phase-field fracture of composite shells with a certified admissible constitutive operatorPhase-field models of fracture in fibre-reinforced shells are usually formulated against a single closed-form stored energy, so that the stress, consistent tangent and plane-stress condensation are…Altaf Ahmad Lone, R. T. Durai Prabhakaran, Timon Rabczuk et al.·Oct 5, 2026SaveLearn
A density-based topology optimization framework for steady Navier-Stokes flow with design-dependent wall actuationDesign-dependent wall velocities are difficult to treat in density-based fluid topology optimization. This difficulty arises because the fluid-solid interface is represented implicitly and evolves…Limin Chen, Yuan Liang, Yongbo Deng et al.·Oct 4, 2026SaveLearn
A Contrast-Source Inversion Scheme Based on Stochastic Optimization and Plug-and-Play RegularizationAn electromagnetic inversion scheme that integrates stochastic optimization (STO) and plug-and-play (PNP) regularization into contrast-source inversion (CSI), termed STO-PNP-CSI, is developed.…Lingqi Gao, Hakan Bagci·Oct 4, 2026SaveLearn
HFS-TransNet: A Hybrid Fixed-Stress Transferable Neural Network for Quasi-Static Biot PoroelasticityThe quasi-static Biot system, which governs coupled fluid-solid interactions in poroelastic media, poses significant computational challenges due to its strong coupling and multiscale nature. To…Zhequan Shen, Liyong Zhu, Mingchao Cai·Oct 4, 2026SaveLearn
Spectral properties of the Riemann zeta function and their physical applicationsThis work studies the Riemann ζ numerically with emphasis on its physical manifestations. Three areas are examined: (i) the spectral statistics of the non-trivial zeros, which we compare with the…Kostadin G Gaminchev·Oct 3, 2026SaveLearn
Experimental Bench Validation of a Computational Fluid-Structure Interaction Model of Transcatheter Aortic Valve DynamicsPurpose: This study extends our fluid-structure interaction (FSI) framework for surgical bioprosthetic heart valves in an experimental pulse duplicator to a transcatheter aortic valve replacement…Jae H. Lee, Paul Ahern, Anh D. Nguyen et al.·Oct 2, 2026SaveLearn
AI-Assisted GPU optimization of the Stochastic Variational Method for Few-Body Boson SystemThe stochastic variational method (SVM) is one of the most powerful methods to solve quantum few-body systems precisely in various fields, such as nuclear and atomic physics. To the best of our…Noritaka Shimizu, Shigeyoshi Aoyama, Yusuke Tsunoda et al.·Oct 2, 2026SaveLearn
RFBniCS: An open-source simulation framework for redox flow batteriesWe present RFBniCS, an open-source finite-element framework implemented in FEniCSx for simulating redox-flow-battery (RFB) half-cells. RFBniCS solves an established macro-homogeneous porous-electrode…Amirhossein Aghabarari, Jørgen S. Dokken, Martin T. Horsch et al.·Oct 1, 2026SaveLearn
An S-matrix Formalism for the Nonclassical Optical Response of Plasmonic NanowiresThis paper reports a computational scheme which predicts the light-matter interaction in multiple mesoscopic plasmonic nanowires (NWs), each of which includes concentric or eccentric constituent…Xin Zheng, Christos Tserkezis, Christos Mystilidis et al.·Oct 1, 2026SaveLearn
Automated Many-Body Simulations of Strongly Correlated Systems Using a Correlation-Aware Agentic FrameworkWe present CAFES, a correlation-aware agentic framework for electronic-structure simulations of strongly correlated systems. CAFES addresses two challenges: the fragmented software landscape for…Tenghui Li, Chong Sun·Oct 1, 2026SaveLearn