An adjoint‐based method for the computation of gradients in coagulation schemes
Sign Up to like & getrecommendations! Published in 2023 at "International Journal for Numerical Methods in Biomedical Engineering"
DOI: 10.1002/cnm.3698
Abstract: An adjoint‐based methodology is proposed to compute the gradient of the outcomes of mathematical models for the coagulation cascade. The method is first exposed and validated by considering a simple, analytically tractable case involving only… read more here.
Keywords: coagulation; adjoint based; method computation; computation gradients ... See more keywords
Optimal pressure reconstruction based on planar particle image velocimetry and sparse sensor measurements
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DOI: 10.1007/s00348-020-03059-6
Abstract: An adjoint-based approach for the accurate estimation of pressure of steady turbulent flows is developed and validated using both numerical and experimental data. The approach considers a simple algorithm to correct for the pressure in… read more here.
Keywords: adjoint based; sensor measurements; pressure; approach ... See more keywords
Adjoint-based sensitivity analysis by panel methods and CAS
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DOI: 10.1007/s11590-016-1042-4
Abstract: The work presented in this paper deals with the accuracy of the sensitivity derivatives of aerodynamic cost functions obtained by using an adjoint method. The accuracy of these gradients is evaluated by comparison with gradients… read more here.
Keywords: adjoint; analysis panel; adjoint based; based sensitivity ... See more keywords
Adjoint-based constant-mass partial derivatives
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DOI: 10.1016/j.anucene.2017.08.015
Abstract: Abstract In transport theory, adjoint-based partial derivatives with respect to mass density are constant-volume derivatives. Likewise, adjoint-based partial derivatives with respect to surface locations (i.e., internal interface locations and the outer system boundary) are constant-density… read more here.
Keywords: adjoint based; mass partial; constant mass; based constant ... See more keywords
Adjoint-based optimization of displacement ventilation flow
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DOI: 10.1016/j.buildenv.2017.07.030
Abstract: Abstract We demonstrate the use of the ‘Direct-Adjoint-Looping method’ for the identification of optimal buoyancy-driven ventilation flows governed by Boussinesq equations. We use the incompressible Reynolds-averaged Navier-Stokes (RANS) equations, derive the corresponding adjoint equations and… read more here.
Keywords: adjoint; adjoint based; based optimization; displacement ventilation ... See more keywords
Calibrating models for MPC of energy systems in buildings using an adjoint-based sensitivity method
Sign Up to like & getrecommendations! Published in 2020 at "Energy and Buildings"
DOI: 10.1016/j.enbuild.2019.109647
Abstract: Abstract For several years, Model Predictive Control (MPC) is depicted in the literature as a promising way to increase buildings’ energy efficiency during operation. This model-based control technique uses the optimal control theory to provide… read more here.
Keywords: models mpc; energy; adjoint based; control ... See more keywords
Adjoint-Based Design Optimization of Nonlinear Switched Reluctance Motors
Sign Up to like & getrecommendations! Published in 2019 at "Electric Power Components and Systems"
DOI: 10.1080/15325008.2020.1731864
Abstract: This work investigates the application of the adjoint variable method (AVM) to switched reluctance motors (SRMs). A MATLAB toolbox developed by the authors estimates the sensitivities of the requir... read more here.
Keywords: reluctance motors; adjoint based; design optimization; based design ... See more keywords
Adjoint-Based Optimization for Thrust Performance of Three-Dimensional Pitching–Rolling Plate
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DOI: 10.2514/1.j057203
Abstract: An adjoint-based optimization is applied to study the thrust performance of a pitching–rolling ellipsoidal plate in a uniform stream at Reynolds number 100. To achieve the highest thrust, the optim... read more here.
Keywords: thrust performance; pitching rolling; based optimization; adjoint based ... See more keywords
Regularization for Adjoint-Based Unsteady Aerodynamic Optimization Using Windowing Techniques
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DOI: 10.2514/1.j059983
Abstract: Unsteady aerodynamic shape optimization presents new challenges in terms of sensitivity analysis of time-dependent objective functions. In this work, we consider periodic unsteady flows governed by... read more here.
Keywords: optimization; regularization adjoint; aerodynamic optimization; based unsteady ... See more keywords
Control and Optimization of Interfacial Flows Using Adjoint-Based Techniques
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DOI: 10.3390/fluids5030156
Abstract: The applicability of adjoint-based gradient computation is investigated in the context of interfacial flows. Emphasis is set on the approximation of the transport of a characteristic function in a potential flow by means of an… read more here.
Keywords: adjoint; flows using; adjoint based; control optimization ... See more keywords
Adjoint-Based Aeroacoustic Design-Optimization of Flexible Rotors in Forward Flight
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The American Helicopter Society"
DOI: 10.4050/jahs.62.042005
Abstract: This paper presents the development and application of a time-dependent adjoint-based method for aeroacoustic design optimization of flexible helicopter rotors in forward flight. The rotor noise signature at a farfield observer is computed with the… read more here.
Keywords: forward flight; adjoint based; aeroacoustic design; design optimization ... See more keywords