On the use of the continuous adjoint method to compute nongeometric sensitivities
Sign Up to like & getrecommendations! Published in 2018 at "International Journal for Numerical Methods in Fluids"
DOI: 10.1002/fld.4473
Abstract: Summary This work explores an alternative approach to computing sensitivity derivatives of functionals, with respect to a broader range of control parameters. It builds upon the complementary character of the Riemann problems that describe the… read more here.
Keywords: continuous adjoint; adjoint; method compute; use continuous ... See more keywords
Inverse modeling of buried, ion-exchanged glass waveguides using an adjoint method
Sign Up to like & getrecommendations! Published in 2018 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-018-1394-3
Abstract: Buried glass waveguides can be fabricated using two-step ion-exchange processes. According to Fick’s law these processes can be mathematically described with the diffusion equation. We demonstrate in this work an approach based on an adjoint… read more here.
Keywords: adjoint method; glass waveguides; ion; method ... See more keywords
Numeric modelling and risk assessment of pollutions in the Chinese Bohai Sea
Sign Up to like & getrecommendations! Published in 2017 at "Science China Earth Sciences"
DOI: 10.1007/s11430-016-9062-y
Abstract: To simulate the dynamic process of total nitrogen (TN) in seas, numerical modelling combined with the adjoint method is implemented in this study. Because nonpoint source terms (ST) and initial values (IV) of TN are… read more here.
Keywords: sea; risk assessment; numeric modelling; bohai sea ... See more keywords
Design modification of two-dimensional supersonic ejector via the adjoint method
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2021.117674
Abstract: Abstract A numerical investigation of a design modification of a two-dimensional supersonic gas ejector was undertaken via an adjoint method, with a focus on enhancing the performance of the ejector. Maximization of the secondary mass… read more here.
Keywords: design modification; geometry; modification; adjoint method ... See more keywords
Estimation of initial conditions for surface suspended sediment simulations with the adjoint method: A case study in Hangzhou Bay
Sign Up to like & getrecommendations! Published in 2021 at "Continental Shelf Research"
DOI: 10.1016/j.csr.2021.104526
Abstract: Abstract In this paper, an improved numerical scheme is developed to estimate the initial conditions (ICs) based on a three-dimensional suspended sediment transport model (3D SSTM) with adjoint data assimilation, and the method is then… read more here.
Keywords: initial conditions; method; hangzhou bay; adjoint method ... See more keywords
An adjoint method for neoclassical stellarator optimization
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377819000527
Abstract: Stellarators are a promising route to steady-state fusion power. However, to achieve the required confinement, the magnetic geometry must be highly optimized. This optimization requires navigating high-dimensional spaces, often necessitating the use of gradient-based methods.… read more here.
Keywords: adjoint method; adjoint; stellarator optimization;
Adjoint method and runaway electron avalanche
Sign Up to like & getrecommendations! Published in 2017 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/59/2/024003
Abstract: The adjoint method for the study of runaway electron dynamics in momentum space Liu et al (2016 Phys. Plasmas 23 010702) is rederived using the Green's function method, for both the runaway probability function (RPF)… read more here.
Keywords: runaway electron; avalanche; method; method runaway ... See more keywords
The Symplectic Adjoint Method: Memory-Efficient Backpropagation of Neural-Network-Based Differential Equations.
Sign Up to like & getrecommendations! Published in 2023 at "IEEE transactions on neural networks and learning systems"
DOI: 10.1109/tnnls.2023.3242345
Abstract: The combination of neural networks and numerical integration can provide highly accurate models of continuous-time dynamical systems and probabilistic distributions. However, if a neural network is used [Formula: see text] times during numerical integration, the… read more here.
Keywords: memory; network; symplectic adjoint; adjoint method ... See more keywords
A review on aerodynamic optimization of turbomachinery using adjoint method
Sign Up to like & getrecommendations! Published in 2024 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/09544062231221625
Abstract: Improvements in aerodynamic turbomachinery design have gained attraction due to the increased demand for a more sustainable future. Several optimization approaches have been presented and employed in the realm of aerodynamic design. However, among all… read more here.
Keywords: optimization turbomachinery; aerodynamic optimization; turbomachinery; adjoint method ... See more keywords
Robust inverse design of digital photonic devices for photonic integrated circuits.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.544018
Abstract: Digital nanophotonic devices have achieved both an ultra-compact footprint and flexibly designed functions, which hold great potential for ultradense photonic integrated circuits. However, the performance deteriorates rapidly when the size of pixels varies due to… read more here.
Keywords: method; integrated circuits; inverse design; photonic integrated ... See more keywords
Enhancing hydrodynamic efficiency in Autonomous Underwater Vehicles (AUVs) utilizing adjoint method and proper orthogonal decomposition
Sign Up to like & getrecommendations! Published in 2025 at "PLOS One"
DOI: 10.1371/journal.pone.0319321
Abstract: In recent years, there has been a significant need for high-performing and efficient Autonomous Underwater Vehicles (AUVs). This is primarily because of their use in offshore mineral exploitation and oceanographic research. While there have been… read more here.
Keywords: underwater vehicles; adjoint; autonomous underwater; vehicles auvs ... See more keywords