Deep neural network-based multiagent synergism method of probabilistic HCF evaluation for aircraft compressor rotor

BW Wang, WZ Tang, LK Song, GC Bai - International Journal of Fatigue, 2023 - Elsevier
The high cycle fatigue (HCF) of compressor rotor seriously affects the performance and
reliability of aircraft engine. Probabilistic HCF evaluation is an effective measure to quantify …

[HTML][HTML] Sensitivity analysis for transient thermal problems using the complex-variable finite element method

JS Rincon-Tabares, JC Velasquez-Gonzalez… - Applied Sciences, 2022 - mdpi.com
Solving transient heat transfer equations is required to understand the evolution of
temperature and heat flux. This physics is highly dependent on the materials and …

A virtual crack extension method to compute energy release rates using a complex variable finite element method

H Millwater, D Wagner, A Baines, A Montoya - Engineering Fracture …, 2016 - Elsevier
The complex-valued finite element method, ZFEM, is proposed as a new virtual crack
extension method to compute the energy release rate. The energy release rate is computed …

Multicomplex newmark-beta time integration method for sensitivity analysis in structural dynamics

J Garza, H Millwater - AIAA Journal, 2015 - arc.aiaa.org
Sensitivity analysis of structural systems is important for identifying important parameters that
influence the dynamic response of a model. This paper describes an extension of the …

2D weight function development using a complex Taylor series expansion method

D Wagner, H Millwater - Engineering Fracture Mechanics, 2012 - Elsevier
Weight functions are a critical component of a damage tolerance fracture control plan in that
they allow the stress intensity factor to be computed quickly from the stress along the …

[HTML][HTML] On the accuracy of the Complex-Step-Finite-Difference method

R Abreu, Z Su, J Kamm, J Gao - Journal of Computational and Applied …, 2018 - Elsevier
Abstract The Complex-Step-Finite-Difference method (CSFDM) is a very simple
methodology that can be implemented in well known numerical techniques hel** to …

Arbitrary-Order sensitivity analysis in phononic metamaterials using the multicomplex taylor series expansion method coupled with bloch's theorem

JD Navarro, HR Millwater… - Journal of Applied …, 2022 - asmedigitalcollection.asme.org
Phononic metamaterials (PMs) exhibit frequency ranges at which elastic waves are
attenuated called band gaps. However, this phenomenon is highly sensitive to geometrical …

Arbitrary-Order Sensitivity Analysis in Wave Propagation Problems Using Hypercomplex Spectral Finite Element Method

JD Navarro, JC Velasquez-Gonzalez, M Aristizabal… - AIAA Journal, 2024 - arc.aiaa.org
Many modern structural health monitoring (SHM) systems use piezoelectric transducers to
induce and measure guided waves propagating in structures for structural damage …

Sensitivity analysis for radiofrequency induced thermal therapies using the complex finite element method

JF Monsalvo, MJ García, H Millwater, Y Feng - Finite Elements in Analysis …, 2017 - Elsevier
In radiofrequency induced thermal procedures for cancer treatment, the temperature of the
cancerous tissue is raised over therapeutic values while maintaining the temperature of the …

Inverse analysis of thermal conductivities in transient non-homogeneous and non-linear heat conductions using BEM based on complex variable differentiation …

XC Yu, YG Bai, M Cui, XW Gao - Science China Physics, Mechanics and …, 2013 - Springer
This paper presents a new inverse analysis approach to sensitivity analysis and material
property identification in transient non-homogeneous and non-linear heat conduction …