Results 11 to 20 of about 1,986,014 (94)

A user`s guide for BREAKUP: A computer code for parallelizing the overset grid approach [PDF]

open access: yes, 1998
In this user`s guide, details for running BREAKUP are discussed. BREAKUP allows the widely used overset grid method to be run in a parallel computer environment to achieve faster run times for computational field simulations over complex geometries.
Barnette, D. W.
core   +1 more source

Advances in parallel overset domain asembly [PDF]

open access: yes, 2016
The CFD (Computational Fluid Dynamics) community has long used the Overset Grid method to enable dynamic simulations with bodies in relative motion. In Overset simulations, information is transferred between overlapping grids via interpolation.
Druyor, Cameron T., Jr.
core   +1 more source

A stabilized finite element dynamic overset method for the Navier-Stokes equations [PDF]

open access: yes, 2016
In terms of mesh resolution requirements, higher-order finite element discretization methods offer a more economic means of obtaining accurate simulations and/or to resolve physics at scales not possible with lower-order schemes. For simulations that may
Liu, Chao
core   +3 more sources

Defect‐Symmetry Engineered Gyroidal Photonic Crystals Achieve Monotonic Modulation of Bandgap Width With a Stable Mid‐Gap

open access: yesAdvanced Science, EarlyView.
Inspired by the twin grain boundary discovered in natural gyroidal networks, a series of gyroid‐derived photonic crystals are constructed based on defect‐symmetry engineering. The new series of structures enables monotonic tuning of the width of the photonic bandgap (PBG) while the central frequency of the PBG maintains stable.
Shuo Huang   +5 more
wiley   +1 more source

3D Closed‐Loop Navigation of Magnetic Microswimmers Using Vision‐Derived Depth Feedback

open access: yesAdvanced Intelligent Systems, EarlyView.
A planar magnetic microswimmer is navigated in three dimensions under a standard microscope. Image defocus supplies a real‐time depth cue, and model‐predictive control with A* planning steers the body on surfaces and in free swimming. Axial position is regulated by propulsion alone, without magnetic field gradients or extra cameras.
Yasin Cagatay Duygu   +2 more
wiley   +1 more source

Numerical Analysis and Optimization of a Continuous‐Flow pH‐TRC for Steady‐State Low‐Grade Waste Heat Recovery

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A steady‐state numerical model is established for a continuous‐flow pH‐TRC for low‐grade waste heat recovery. Based on carbonate and bicarbonate electrolytes, the influences of operating conditions and electrode structure on pH‐driven power generation are clarified.
Jinpeng Hu   +7 more
wiley   +1 more source

Progress Toward Overset-Grid Moving Body Capability for USM3D Unstructured Flow Solver [PDF]

open access: yes, 2005
A static and dynamic Chimera overset-grid capability is added to an established NASA tetrahedral unstructured parallel Navier-Stokes flow solver, USM3D.
Pandyna, Mohagna J.   +2 more
core  

Computation of Multi-Passage Cascade Flows With Overset and Deforming Grids

open access: yes, 1997
An overset grid method is applied to the solution of single and multi-passage cascade flows with a compressible Navier-Stokes solver. C-type grids around individual blades are overset onto a Cartesian background grid. Overset grids are allowed to move in
Tuncer, İsmail Hakkı   +3 more
core   +2 more sources

Highly Conductive Networks Encapsulated Borohydride Electrolytes Enabling Superior High Rate Performance for All‐Solid‐State Li‐Ion Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A nanoscale ZrB2/LiCl network encapsulated LiBH4 solid electrolyte was prepared by mechanically reacting LiBH4 with ZrCl4. Such a composite solid electrolyte exhibits fast ionic conduction and high critical current density. More importantly, the resultant solid electrolyte enables unprecedented cyclability of Li|LiNbO3@LiCoO2 and Li|TiS2 full cells at ...
Shuyang Sun   +9 more
wiley   +1 more source

Spacing Effects in Guided Vertical‐Axis Wind Turbine Arrays for Highway Energy Harvesting Under Multi‐Vehicle Wake Conditions

open access: yesEnergy Science &Engineering, EarlyView.
Three‐turbine guided Savonius arrays installed along highway corridors extract up to 697 J under multi‐vehicle wake conditions when spaced 12 rotor diameters apart—68% more than compact arrangements. Guide vanes boost output by 80–120%, and interior turbines respond most strongly to spacing, governing overall array performance. ABSTRACT Highway‐induced
Aydin Ulus, Stefan Ilie Moldovan
wiley   +1 more source

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