Results 51 to 60 of about 31,271,570 (411)

Spectral proper orthogonal decomposition and its relationship to dynamic mode decomposition and resolvent analysis [PDF]

open access: yesJournal of Fluid Mechanics, 2017
We consider the frequency domain form of proper orthogonal decomposition (POD), called spectral proper orthogonal decomposition (SPOD). Spectral POD is derived from a space–time POD problem for statistically stationary flows and leads to modes that each ...
A. Towne, O. Schmidt, T. Colonius
semanticscholar   +1 more source

Nonlinear Langevin Equation of Hadamard-Caputo Type Fractional Derivatives with Nonlocal Fractional Integral Conditions

open access: yesAdvances in Mathematical Physics, 2014
We study existence and uniqueness of solutions for a problem consisting of nonlinear Langevin equation of Hadamard-Caputo type fractional derivatives with nonlocal fractional integral conditions. A variety of fixed point theorems are used, such as Banach’
Jessada Tariboon   +2 more
doaj   +1 more source

Impulsive Multiorders Riemann-Liouville Fractional Differential Equations

open access: yesDiscrete Dynamics in Nature and Society, 2015
Impulsive multiorders fractional differential equations are studied. Existence and uniqueness results are obtained for first- and second-order impulsive initial value problems by using Banach’s fixed point theorem in an appropriate weighted space ...
Weera Yukunthorn   +2 more
doaj   +1 more source

Existence of Solutions for Fractional q-Integrodifference Equations with Nonlocal Fractional q-Integral Conditions

open access: yesAbstract and Applied Analysis, 2014
We study a class of fractional q-integrodifference equations with nonlocal fractional q-integral boundary conditions which have different quantum numbers.
Suphawat Asawasamrit   +2 more
doaj   +1 more source

Model Parameter Sensitivity for Structural Analysis of Composite Slab Structures in Fire

open access: yesInternational Journal of Technology, 2021
The behavior of buildings during fires has recently become a significant issue. Analyzing structures at elevated temperatures is complex and challenging in structural engineering as engineers must take into consideration factors that may not be ...
Riza Suwondo   +4 more
doaj   +1 more source

Sequential action and beliefs under partially observable DSGE environments

open access: yes, 2011
This paper introduces a classification of DSGEs from a Markovian perspective, and positions the class of POMDP (Partially Observable Markov Decision Process) to the center of a generalization of linear rational expectations models.
Kim, Seong-Hoon
core   +1 more source

Existence and Uniqueness Results for Hadamard-Type Fractional Differential Equations with Nonlocal Fractional Integral Boundary Conditions

open access: yesAbstract and Applied Analysis, 2014
We study the existence and uniqueness of solutions for a fractional boundary value problem involving Hadamard-type fractional differential equations and nonlocal fractional integral boundary conditions. Our results are based on some classical fixed point
Phollakrit Thiramanus   +2 more
doaj   +1 more source

Optimal implementation of lightweighting and powertrain effi ciency technology in passengers' vehicles

open access: yesTransport, 2012
Improving powertrain efficiency and reducing vehicle weight are two options for reducing vehicle energy use, emissions, and operating cost that often increase the purchase cost of passenger vehicles. Increasing drivetrain efficiency shrinks the potential
Erik Wilhelm   +3 more
doaj   +1 more source

Dynalog: an automated dynamic analysis framework for characterizing android applications [PDF]

open access: yesInternational Conference on Cyber Security And Protection Of Digital Services, 2016
Android is becoming ubiquitous and currently has the largest share of the mobile OS market with billions of application downloads from the official app market.
Mohammed K. Alzaylaee   +2 more
semanticscholar   +1 more source

Output Feedback Control for Asymptotic Stabilization of Spacecraft with Input Saturation

open access: yesJournal of Control Science and Engineering, 2017
This paper investigates the attitude stabilization problem of rigid spacecraft subject to actuator constraints, external disturbances, and attitude measurements only.
Chutiphon Pukdeboon
doaj   +1 more source

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