Search Results - "Zhang, Weiqun"

The Dynamics and Afterglow Radiation of Gamma-Ray Bursts. I. Constant Density Medium by Zhang, Weiqun, MacFadyen, Andrew

“…Direct multidimensional numerical simulation is the most reliable approach for calculating the fluid dynamics and observational signatures of relativistic jets…”
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Dark matter from axion strings with adaptive mesh refinement by Buschmann, Malte, Foster, Joshua W., Hook, Anson, Peterson, Adam, Willcox, Don E., Zhang, Weiqun, Safdi, Benjamin R.

“…Axions are hypothetical particles that may explain the observed dark matter density and the non-observation of a neutron electric dipole moment. An increasing…”
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A Dynamical Model for the Evolution of a Pulsar Wind Nebula Inside a Nonradiative Supernova Remnant by Gelfand, Joseph D, Slane, Patrick O, Zhang, Weiqun

“…A pulsar wind nebula (PWN) inside a supernova remnant provides a unique insight into the properties of the central neutron star, the relativistic wind powered…”
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Fluorescent carbon dots as nanoprobe for determination of lidocaine hydrochloride by Zhang, Yi, Gao, Zhiyong, Zhang, Weiqun, Wang, Wei, Chang, Jiuli, Kai, Jiang

“…[Display omitted] •N doped carbon dots were prepared by facile hydrothermal treatment of fish scales.•Highly fluorescence and anitinterference features were…”
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AMReX: Block-structured adaptive mesh refinement for multiphysics applications by Zhang, Weiqun, Myers, Andrew, Gott, Kevin, Almgren, Ann, Bell, John

“…Block-structured adaptive mesh refinement (AMR) provides the basis for the temporal and spatial discretization strategy for a number of Exascale Computing…”
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Very Low-energy Supernovae: Light Curves and Spectra of Shock Breakout by Lovegrove, Elizabeth, Woosley, S. E., Zhang, Weiqun

“…The brief transient emitted as a shock wave erupts through the surface of a pre-supernova star carrying information about the stellar radius and explosion…”
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Off-axis Gamma-ray Burst Afterglow Modeling Based on a Two-dimensional Axisymmetric Hydrodynamics Simulation by van Eerten, Hendrik, Zhang, Weiqun, MacFadyen, Andrew

“…Starting as highly relativistic collimated jets, gamma-ray burst outflows gradually slow down and become nonrelativistic spherical blast waves. Although…”
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Brain abscesses: the first report of disseminated Nocardia beijingensis infection in an immunocompetent individual in China by Jin, Lihong, Zhang, Weiqun, Su, Fang, Ji, Youqi, Ge, Yumei

“…Nocardia is widely distributed in the natural environment and typically cause opportunistic infections. However, it is important to note that the pathogenicity…”
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Three-Dimensional Relativistic Magnetohydrodynamic Simulations of the Kelvin-Helmholtz Instability: Magnetic Field Amplification by a Turbulent Dynamo by Zhang, Weiqun, MacFadyen, Andrew, Wang, Peng

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Fallback and Black Hole Production in Massive Stars by Zhang, Weiqun, Woosley, S. E, Heger, A

“…The compact remnants of core-collapse supernovae-neutron stars and black holes-have properties that reflect both the structure of their stellar progenitors and…”
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Multidimensional Radiation Hydrodynamics Simulations of Pulsational Pair-instability Supernovae by Chen, Ke-Jung, Whalen, Daniel J., Woosley, S. E., Zhang, Weiqun

“…Abstract Stars with masses of 80–130 M ⊙ can encounter pulsational pair-instability at the end of their lives, which triggers consecutive episodes of explosive…”
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Particle-in-cell Simulations of Relativistic Magnetic Reconnection with Advanced Maxwell Solver Algorithms by Klion, Hannah, Jambunathan, Revathi, Rowan, Michael E., Yang, Eloise, Willcox, Donald, Vay, Jean-Luc, Lehe, Remi, Myers, Andrew, Huebl, Axel, Zhang, Weiqun

“…Abstract Relativistic magnetic reconnection is a nonideal plasma process that is a source of nonthermal particle acceleration in many high-energy astrophysical…”
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Research on Hybrid Wind Speed Prediction System Based on Artificial Intelligence and Double Prediction Scheme by Zhang, Haipeng, Zhang, Weiqun, Bo, He, Nie, Ying

“…Wind energy analysis and wind speed modeling have a significant impact on wind power generation systems and have attracted significant attention from many…”
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WHITE DWARF MERGERS ON ADAPTIVE MESHES. I. METHODOLOGY AND CODE VERIFICATION by Katz, Max P., Zingale, Michael, Calder, Alan C., Swesty, F. Douglas, Almgren, Ann S., Zhang, Weiqun

“…ABSTRACT The Type Ia supernova (SN Ia) progenitor problem is one of the most perplexing and exciting problems in astrophysics, requiring detailed numerical…”
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MFIX-Exa: A path toward exascale CFD-DEM simulations by Musser, Jordan, Almgren, Ann S, Fullmer, William D, Antepara, Oscar, Bell, John B, Blaschke, Johannes, Gott, Kevin, Myers, Andrew, Porcu, Roberto, Rangarajan, Deepak, Rosso, Michele, Zhang, Weiqun, Syamlal, Madhava

“…MFIX-Exa is a computational fluid dynamics–discrete element model (CFD-DEM) code designed to run efficiently on current and next-generation supercomputing…”
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The Propagation and Eruption of Relativistic Jets from the Stellar Progenitors of Gamma-Ray Bursts by Zhang, Weiqun, Woosley, S. E, Heger, A

“…New two- and three-dimensional calculations are presented of relativistic jet propagation and break out in massive Wolf-Rayet stars. Such jets are thought to…”
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Dihydroartemisinin (DHA) inhibits myofibroblast differentiation through inducing ferroptosis mediated by ferritinophagy by Yu, Ningning, Wang, Nan, Zhang, Weiqun, Xue, Junyu, zhou, Quan, Hu, Fengai, Bai, Xuelian, Liu, Naiguo

“…Idiopathic pulmonary fibrosis (IPF) is caused by persistent micro-injuries and aberrant repair processes. Myofibroblast differentiation in lung is a key event…”
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Study on the correlation between urinary retinol-binding protein and nonalcoholic fatty liver disease by Li, Chuang, Kong, Weiwei, Kang, Lixia, Zhang, Tiehan, Zhang, Weiqun, Wang, Weidong

“…Nonalcoholic fatty liver disease (NAFLD) affects human health worldwide. Our objective was to explore the correlation between urinary retinol-binding protein…”
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Overlapping Data Transfers with Computation on GPU with Tiles by Bastem, Burak, Unat, Didem, Weiqun Zhang, Almgren, Ann, Shalf, John

“…GPUs are employed to accelerate scientific applications however they require much more programming effort from the programmers particularly because of the…”
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In vitro evaluation of the fracture resistance of anterior endodontically treated teeth restored with glass fiber and zircon posts by Qing, Hai, DDS, MMed, Zhu, ZhiMin, DDS, PhD, Chao, YongLie, DDS, MMed, Zhang, WeiQun, DDS, MMed

“…Statement of problem The published information is equivocal regarding the fracture resistance of endodontically treated teeth restored with fiber posts…”
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