Results 41 to 50 of about 1,604 (160)

Modeling and Control of Grid-Forming Active Power Filters for Harmonic Suppression and Enhanced Power Quality

open access: yesApplied Sciences
Grid-forming converters (GFMCs) have gained significant attention for their functionality in grid voltage formation and grid-supportive services. However, managing harmonic distortions caused by nonlinear loads remains a critical challenge in weak grids.
Muhammad Waqas Qaisar   +2 more
doaj   +1 more source

Tensor-optimized antisymmetrized molecular dynamics as a successive variational method in nuclear many-body system

open access: yes, 2017
We study the tensor-optimized antisymmetrized molecular dynamics (TOAMD) as a successive variational method in many-body systems with strong interaction for nuclei.
Horiuchi, Hisashi   +4 more
core   +3 more sources

Quantum Monte Carlo calculations of $A=9,10$ nuclei [PDF]

open access: yes, 2002
We report on quantum Monte Carlo calculations of the ground and low-lying excited states of $A=9,10$ nuclei using realistic Hamiltonians containing the Argonne $v_{18}$ two-nucleon potential alone or with one of several three-nucleon potentials ...
A. Akmal   +28 more
core   +2 more sources

Fire Management on Terrain Contaminated by Unexploded Ordnance during and post Conflict in Europe

open access: yesBiodiversidade Brasileira, 2019
In many countries of Europe active and abandoned military training areas and former armed conflict areas are still contaminated by unexploded ammunition (Unexploded Ordnance - UXO).
Johann Goldammer   +2 more
doaj   +3 more sources

The Hamiltonian limit of (3+1)D SU(3) lattice gauge theory on anisotropic lattices [PDF]

open access: yes, 2003
The extreme anisotropic limit of Euclidean SU(3) lattice gauge theory is examined to extract the Hamiltonian limit, using standard path integral Monte Carlo (PIMC) methods.
A. Hasenfratz   +62 more
core   +2 more sources

Interaction mechanism of multi-time scale control loops between PLL-synchronized and power-synchronized converters

open access: yesInternational Journal of Electrical Power & Energy Systems
The interaction of multi-time scale control loops between grid-following converters (GFLCs) based on phase-locked loop (PLL) synchronization and grid-forming converters (GFMCs) based on power synchronization introduces new instability risks. Based on the
Yi Zhou   +7 more
doaj   +1 more source

Twist Engineering of Hybrid 2D van der Waals‐Transition Metal Oxide Membranes

open access: yesAdvanced Physics Research, EarlyView.
The integration of transition metal oxide membranes with 2D van der Waals materials offers exciting opportunities to study new interfacial phenomena. These interactions can create complex moiré patterns that change the materials' properties. Understanding these interactions, influenced by symmetry and distortion, poses significant challenges and ...
Mar Garcia Hernandez   +4 more
wiley   +1 more source

The WMO vegetation fire and smoke pollution warning advisory and assessment system (VFSP-WAS)

open access: yesBiodiversidade Brasileira, 2021
Vegetation fires - including the application of fire in land use, land-use change and uncontrolled wildfire - affect the functioning of the Earth System and impose significant threats to health and security.
Alexander Baklanov   +8 more
doaj   +1 more source

Spin-orbit correlation energy in neutron matter

open access: yes, 2003
We study the relevance of the energy correlation produced by the two-body spin-orbit coupling present in realistic nucleon-nucleon potentials. To this purpose, the neutron matter Equation of State (EoS) is calculated with the realistic two-body Argonne ...
C. Maieron, M. Baldo, S. L. Shapiro
core   +1 more source

Microscopic calculation of 6Li elastic and transition form factors [PDF]

open access: yes, 1998
Variational Monte Carlo wave functions, obtained from a realistic Hamiltonian consisting of the Argonne v18 two-nucleon and Urbana-IX three-nucleon interactions, are used to calculate the 6Li ground-state longitudinal and transverse form factors as well ...
A. Eskandarian   +35 more
core   +3 more sources

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