Applications of automatic differentiation in topology optimization

SA Nørgaard, M Sagebaum, NR Gauger… - Structural and …, 2017 - Springer
The goal of this article is to demonstrate the applicability and to discuss the advantages and
disadvantages of automatic differentiation in topology optimization. The technique makes it …

Aeroacoustic and Aerodynamic Adjoint-Based Shape Optimization of an Axisymmetric Aero-Engine Intake

M Monfaredi, V Asouti, X Trompoukis, K Tsiakas… - Aerospace, 2023 - mdpi.com
A continuous adjoint-based aeroacoustic optimization, based on a hybrid model including
the Ffowcs Williams–Hawkings (FW–H) acoustic analogy, to account for the multidisciplinary …

Efficient airframe noise reduction framework via adjoint-based shape optimization

BY Zhou, T Albring, NR Gauger, CR da Silva… - AIAA Journal, 2021 - arc.aiaa.org
This paper presents an efficient adjoint-based shape optimization framework for airframe
noise reduction in which algorithmic differentiation (AD) is applied to the open-source …

Integrated field inversion and machine learning with embedded neural network training for turbulence modeling

JR Holland - 2019 - search.proquest.com
A rich set of experimental and high fidelity simulation data is available to improve Reynolds
Averaged Navier Stokes (RANS) models of turbulent flow. In practice, using this data is …

[HTML][HTML] Influence of Free Surface on the Hydrodynamic and Acoustic Characteristics of a Highly Skewed Propeller

D Yu, Y Yu, S Yang - Journal of Marine Science and Engineering, 2024 - mdpi.com
The noise analysis of a large-scale aquaculture vessel reveals that during its navigation, the
primary equipment noise, particularly from the propeller, exerts a notable influence on the …

[PDF][PDF] Continuous adjoint-based aeroacoustic shape optimization of an aero-engine intake

M Monfaredi, V Asouti, XS Trompoukis… - Proceedings of the …, 2021 - madeleine-project.eu
CONTINUOUS ADJOINT–BASED AEROACOUSTIC SHAPE OPTIMIZATION OF AN AERO–ENGINE
INTAKE Page 1 National Technical University of Athens, Lab. Of Thermal Turbomachines …

[BUCH][B] Low-cost Unsteady Discrete Adjoint Techniques for Aeroacoustic Optimization

S Nimmagadda - 2019 - search.proquest.com
With the rapid growth of aircraft traffic and the new modes of transport such as Urban Air
Mobility systems crowding the air space, aircraft noise is no longer a mere design constraint …

[PDF][PDF] Numerical optimization for airframe noise reduction

BY Zhou - 2018 - scholar.archive.org
Airframe noise, which is primarily generated by the nose and main landing gears as well as
the high-lift devices such as the leading-edge slats and trailing-edge flaps, is the dominant …

[PDF][PDF] Aerodynamic optimization using FSI coupled adjoints in SU2

C Venkatesan-Crome, R Sanchez… - … mechanics (ECCM 6) …, 2018 - congress.cimne.com
This paper discusses the development of the native non-linear fluid-structure interaction
solver in the open source SU2 package, along with the coupled adjoint calculations for …