Numerical analysis
Researcher Di Liu and colleagues from Shanxi University have presented a new method for determining the transient probability density function of nonlinear dynamic systems subjected to modulated white noise excitation. The improved complex fractional moments (CFM) method uses numerical integration and the Gauss-Legendre orthogonal method to establish a more accurate
Artificial neural networks
Research published in the Journal of Computational Physics has presented a novel data-driven filter for implicit large-eddy simulations (ILES) in the context of the Spectral Difference method. The filter is designed to analyze the relationship between ILES and direct numerical simulations (DNS) and has been evaluated using a Taylor-Green Vortex
Batteries
Researchers from Tsinghua University have developed a new numerical computational framework to simulate the heterogeneous model of lithium-ion batteries. The framework, which employs local homogenization and domain decomposition, addresses the complex structure and multiphysics behavior of the model. The study, published in the journal Computers & Mathematics with Applications, demonstrates
Numerical analysis
Researchers from the University of Tubingen have made significant discoveries regarding the expected properties of neutrino emission from accreting neutron stars in X-ray binaries. Using numerical simulations, they have found that such processes can produce strong neutrino emission up to a few tens of TeV when the X-ray luminosity is
Methane
A new study by researchers at Northeast Electric Power University has made significant contributions to understanding the dispersion of gas leaks in comprehensive pipe galleries. The research focuses on the impact of leakage aperture and pipeline operating pressure on the distribution of gas leaks. The findings are critical for ensuring
Methane
Researchers at Shaoxing University have published a new report on the emerging stimulation technique of methane deflagration fracturing, which enhances reservoir permeability by igniting a mixture of injected combustion aids and in situ methane to generate detonation waves, creating complex fracture networks. The study, funded by the National Key R&
Simulation
Researchers at the China Institute of Atomic Energy have made significant strides in the production of medical isotopes, a crucial component in cancer treatment. By developing a novel method for separating the radioactive isotopes 90Sr from 90Y, scientists have improved the efficiency and safety of medical isotope production. The breakthrough
Simulation
Researchers from China University of Mining and Technology have conducted a comprehensive study to investigate the synergistic mechanism of confining pressure and anchorage length on anchorage body bearing capacity. The study employed laboratory pull-out tests, acoustic emission monitoring, and ABAQUS numerical simulation to examine the mechanical response and failure evolution
Simulation
Researchers from the Civil Aviation University of China have proposed a novel method for predicting milling forces in the machining of graphene-reinforced aluminum matrix composites (GRAMCs). The study, which has been peer-reviewed, combines finite element and regression analysis to accurately predict milling forces and optimize the machining process. The research
Simulation
Researchers have proposed an electromagnetic dynamic vibration absorber (EMDVA) to reduce seismic vibrations of equipment in nuclear power plants. The effectiveness of the EMDVA was validated through shaking table tests of the integrated equipment-EMDVA system, with excitations generated by a thorium molten salt reactor (TMSR) model, considering the interaction with
Numerical analysis
A new study on Physics - Fluids has been released, providing insights into the impact of top surface boundary conditions on internal solitary waves in numerical simulations. The research, conducted by a team from Dalian University of Technology, explores the effects of rigid-lid and free-surface boundary conditions on the dynamics
Numerical analysis
Research from Henan Normal University in Xinxiang, People's Republic of China, has highlighted the significance of improving the accuracy of resistivity measurement in the middle and late stages of oil and gas field development. The traditional over-casing resistivity logging technology has limitations, including low time efficiency, significant influence
