Guoya Sun
YOU?
Author Swipe
View article: Fragility Analysis of Prefabricated RCS Hybrid Frame Structures Based on IDA
Fragility Analysis of Prefabricated RCS Hybrid Frame Structures Based on IDA Open
The prefabricated reinforced concrete columns–steel girder (RCS) hybrid frame structure using column–column connections is a kind of green and environmentally friendly building structure; its seismic performance is investigated. The seismi…
View article: Critical exponents testing of a random number generator with the Wolff cluster algorithm
Critical exponents testing of a random number generator with the Wolff cluster algorithm Open
Finite-size scaling (FSS) of critical exponents including γ , β and α of 2D Ising models of sizes up to 32768 2 are studied using the Wolff clustering algorithm and are used to assess the quality of pseudorandom number generators (PRNGs). …
View article: Effects of hydrogen isotope species on ITG microturbulence in LHD
Effects of hydrogen isotope species on ITG microturbulence in LHD Open
The linear and nonlinear effects of hydrogen isotope species on ion temperature gradient (ITG) instability in the Large Helical Device (LHD) stellarator are studied using radially global gyrokinetic simulation. We found that the coupling r…
View article: Critical Ising system testing of high-quality random number generators
Critical Ising system testing of high-quality random number generators Open
Specialized hardware implemented on field programmable gate array (FPGA) is used to simulate critical 2D Ising lattices up to 4096 2 . Four mainstream, high-quality pseudorandom number generators (PRNGs) including Xorshift , Mersenne Twist…
View article: The performance of equilibrium radial electric field shear on microturbulence with different magnetic shears in tokamak plasmas
The performance of equilibrium radial electric field shear on microturbulence with different magnetic shears in tokamak plasmas Open
Global gyrokinetic particle simulations show that equilibrium radial electric field ( E r ) shear reduces the linear growth rate, ion heat conductivity, and nonlinear turbulence amplitude for both the ion temperature gradient (ITG) and kin…
View article: Large-area metal-dielectric heterostructures for surface-enhanced raman scattering
Large-area metal-dielectric heterostructures for surface-enhanced raman scattering Open
Metal-dielectric heterostructures have shown great application potentials in physics, chemistry and material science. In this work, we have designed and manufactured ordered metal-dielectric multiple heterostructures with tunable optical p…
View article: Quasi-Bragg plasmon modes for highly efficient plasmon-enhanced second-harmonic generation at near-ultraviolet frequencies
Quasi-Bragg plasmon modes for highly efficient plasmon-enhanced second-harmonic generation at near-ultraviolet frequencies Open
Boosting nonlinear frequency conversions with plasmonic nanostructures at near-ultraviolet (UV) frequencies remains a great challenge in nano-optics. Here we experimentally design and fabricate a plasmon-enhanced second-harmonic generation…
View article: Multiband enhanced second-harmonic generation via plasmon hybridization
Multiband enhanced second-harmonic generation via plasmon hybridization Open
Boosting nonlinear frequency-conversion efficiencies in hybrid metal–dielectric nanostructures generally requires the enhancement of optical fields that interact constructively with nonlinear dielectrics. Inevitably for localized surface p…
View article: Kinetic particle simulations in a global toroidal geometry
Kinetic particle simulations in a global toroidal geometry Open
The gyrokinetic toroidal code has been upgraded for global simulations by coupling the core and scrape-off layer regions across the separatrix with field-aligned particle-grid interpolations. A fully kinetic particle pusher for high freque…
View article: Kinetic particle simulations in a global toroidal geometry
Kinetic particle simulations in a global toroidal geometry Open
The gyrokinetic toroidal code (GTC) has been upgraded for global simulations by coupling the core and scrape-off layer (SOL) regions across the separatrix with field-aligned particle-grid interpolations. A fully kinetic particle pusher for…
View article: Global particle in cell simulation of fusion plasma in cylindrical coordinates
Global particle in cell simulation of fusion plasma in cylindrical coordinates Open
We report the recent upgrade of gyrokinetic toroidal code (GTC), which enables global simulations coupling the core and scrape-off layer (SOL) across the separatrix by using cylindrical coordinates with field-aligned particle-grid interpol…
View article: Microturbulence in DIII-D tokamak pedestal. IV. Electrostatic turbulent transport
Microturbulence in DIII-D tokamak pedestal. IV. Electrostatic turbulent transport Open
Gyrokinetic simulations of electrostatic microturbulence in the edge plasmas of DIII-D shot 131997 find that the geodesic acoustic mode (GAM) is generated after nonlinear saturation both at the pedestal top and in the peak gradient region,…