Results 71 to 80 of about 72,374 (248)

Comprehensive Surrogate Models for Predicting the Melt Conveying Characteristics of Channel Segments in High‐Performance Single‐Screw Extruders

Polymer Engineering &Science, EarlyView.
Generalized analytical equations were developed that accurately predict the local pumping characteristics, viscous dissipation, and average shear rates in channels of both conventional and high‐performance single‐screw extruders. Applied within segmented extruder calculations, these models aid in screw design and process troubleshooting without the ...
Daniel Herzog, Wolfgang Roland, Christian Marschik, Gerald Berger‐Weber   +3 more
wiley   +1 more source

Exploring strongly coupled land/atmosphere data assimilation for numerical weather prediction

Quarterly Journal of the Royal Meteorological Society, EarlyView.
Soil moisture and soil temperature can be analyzed effectively in a numerical weather prediction system by expanding the atmospheric ensemble‐based data assimilation to update the soil states also. The best results were obtained here using a strongly coupled land/atmosphere data assimilation to assimilate the standard atmospheric observations plus ...
Clara Draper, Jeffrey Whitaker, Michael Barlage   +2 more
wiley   +1 more source

Information‐based probabilistic verification scores and predictability measures: Seasonal prediction examples

Quarterly Journal of the Royal Meteorological Society, EarlyView.
Schematic of the computation of the logarithmic score and information gain. In panel (a), ensemble predictions (orange circles), observational reference (red circle), and historical observations (blue circles) are shown. An ensemble prediction probability distribution (orange line) and a climatological probability distribution (blue line) are also ...
Yuhei Takaya, Hideitsu Hino, Caio A. S. Coelho   +2 more
wiley   +1 more source

Land data assimilation of satellite‐based surface soil moisture: Impact on atmospheric simulations over the contiguous United States

Quarterly Journal of the Royal Meteorological Society, EarlyView.
Soil Moisture Active Passive soil moisture retrievals are assimilated into a land surface model and the resulting land reanalysis product is used to initialise the land component of coupled land‐atmosphere experiments. We show that the local impact of land data assimilation on the atmosphere is influenced by two factors: the magnitude by which it ...
Zdenko Heyvaert, Michel Bechtold, Wouter Dorigo, Jonas Mortelmans, Daniel Hagan, Joseph Santanello, Gabriëlle De Lannoy   +6 more
wiley   +1 more source

Ensemble Kalman filter in latent space using a variational autoencoder pair

Quarterly Journal of the Royal Meteorological Society, EarlyView.
The use of the ensemble Kalman filter (EnKF) in strongly nonlinear or constrained atmospheric, oceanographic, or sea‐ice models can be challenging. Applying the EnKF in the latent space of a variational autoencoder (VAE) ensures that the ensemble members satisfy the balances and constraints present in the model.
Ivo Pasmans, Yumeng Chen, Tobias Sebastian Finn, Marc Bocquet, Alberto Carrassi   +4 more
wiley   +1 more source

Event‐Triggered Saturating Control for Synchronization of Lur'e Type Complex Dynamic Networks

International Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT This article addresses the problem of synchronizing discrete‐time Lur'e type complex dynamic networks (CDNs) via dynamic event‐triggered control. In particular, it is considered that the control signal of each node is subject to input saturation. Using the Lyapunov Stability Theory, properties of slope‐restricted nonlinearities, and the linear
C. Lisbôa, J. V. Flores, L. G. Moreira, J. M. Gomes da Silva Jr.   +3 more
wiley   +1 more source

Chaotic Reaction Dynamics and the Phase Space Geometry of Multi-dimensional Chemical Reaction(4) Quantum chaos and semiclassical theory in molecular science and nuclear theory, Chaos and Nonlinear Dynamics in Quantum-Mechanical and Macroscopic Systems)

Chaotic Reaction Dynamics and the Phase Space Geometry of Multi-dimensional Chemical Reaction(4) Quantum chaos and semiclassical theory in molecular science and nuclear theory, Chaos and Nonlinear Dynamics in Quantum-Mechanical and Macroscopic Systems)
この論文は国立情報学研究所の電子図書館事業により電子化されました。
openaire  

A systems‐theoretical exploration for understanding and enhancing policy design: Expanding an analytical locus with implications for policy studies

Systems Research and Behavioral Science, EarlyView.
Abstract Policy design has two analytical domains, policy design‐as‐formulation and policy design‐as‐content. The latter study policies as codified and constructed output of the formulation process, which is an activity directed to the process. The analytical concept ‘structural logic’ emerged as an internal property of policy text and has been ...
Guswin de Wee, Kwame Asmah‐Andoh, Amina Jakoet‐Salie   +2 more
wiley   +1 more source

Quantum anomaly and effective field description of a quantum chaotic billiard(6) Approaches from mathematical science and quantum information, Chaos and Nonlinear Dynamics in Quantum-Mechanical and Macroscopic Systems)

Quantum anomaly and effective field description of a quantum chaotic billiard(6) Approaches from mathematical science and quantum information, Chaos and Nonlinear Dynamics in Quantum-Mechanical and Macroscopic Systems)
カオス的量子ビリヤード系の有効場理論を等エネルギー面上の場の理論の観点から考察する。準位の離散性を量子異常の観点から解釈することにより、拡散・バリスティック領域の有効場理論としてKac-Moody代数を導出でき、それが量子カオス系のWigner-Dyson相関に相応していることを示す。 この論文は国立情報学研究所の電子図書館事業により電子化されました。
openaire  

Chaotic dynamics and primary resonance analysis of a curved carbon nanotube considering influence of thermal and magnetic fields

Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2019
H. R. Azarboni, M. Rahimzadeh, H. Heidari, H. Keshavarzpour, S. Edalatpanah   +4 more
semanticscholar   +1 more source