Results 61 to 70 of about 475,923 (291)
Mathematics, 2022 In this study, a Monte Carlo simulation (MCs)-based isogeometric stochastic Finite Element Method (FEM) is proposed for uncertainty quantification in the vibration analysis of piezoelectric materials.
Yanming Xu +4 more
doaj +1 more source
Signal and Noise in Financial Correlation Matrices
, 2004 Using Random Matrix Theory one can derive exact relations between the eigenvalue spectrum of the covariance matrix and the eigenvalue spectrum of its estimator (experimentally measured correlation matrix).
Burda +10 more
core +1 more source
Advanced Optical Materials, EarlyView.We performed a computational screening of phosphorescent emitters and charge transporters for OLEDs to identify combinations that minimize triplet‐polaron quenching, a major cause of efficiency loss and short operational lifetimes, especially in blue OLEDs. Our results reveal key design rules and highlight emitter‐transporter pairs that strongly reduce
Clint van Hoesel +2 more
wiley +1 more source
Stability Analysis and HIL Validation of PV Park Voltage Control Considering Communication Delays
IEEE Open Journal of Power ElectronicsWith advances in industrial data communication technologies, MW-scale PV parks increasingly depend on communication-based coordination among Power Electronic Converters (PECs) to ensure precise voltage regulation and stability, especially during grid ...
Behnam Daftary Besheli +5 more
doaj +1 more source
Energies, 2019 The well-developed unified power flow controller (UPFC) has demonstrated its capability in providing voltage support and improving power system stability. The objective of this paper is to demonstrate the capability of the UPFC in mitigating oscillations
Ping He +5 more
doaj +1 more source
Multiple eigenvalue sensitivity analysis
Linear Algebra and its Applications, 1990 Eigenvalues are very important in the studies of stability and performances of many dynamical systems. The behavior of constant eigenvalues is quite well understood. However, the behavior of eigenvalues that are dependent on physical parameters, particularly for the cases of multiple parameters, is still little known. This paper presents results on the
openaire +1 more source
Multi‐Mode Deep Strong Coupling in a Multi Quantum Well Fabry–Perot Cavity
Advanced Optical Materials, EarlyView.Multi‐mode deep‐strong coupling is demonstrated in a 166‐well heterostructure that acts as a Fabry–Perot cavity. Even cavity modes couple strongly to the cyclotron resonance, producing large vacuum Rabi splittings and a rich polaritonic spectrum captured by a full Hopfield model.
Lucy Hale +6 more
wiley +1 more source
Transient analysis using conical shell elements [PDF]
, 1973 The use of the NASTRAN conical shell element in static, eigenvalue, and direct transient analyses is demonstrated. The results of a NASTRAN static solution of an externally pressurized ring-stiffened cylinder agree well with a theoretical discontinuity ...
Goeller, J. E. +2 more
core +1 more source
Hard‐Magnetic Soft Millirobots in Underactuated Systems
Advanced Robotics Research, EarlyView.This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang +4 more
wiley +1 more source
Advanced Robotics Research, EarlyView.Pak Biawak, a necrobot, embodies an unusual fusion of biology and robotics. Designed to repurpose natural structures after death, it challenges conventional boundaries between nature and engineering. Its movements are precise yet unsettling, raising questions about sustainability, ethics, and the untapped potential of biointegrated machines.
Leo Foulds +2 more
wiley +1 more source