Finite element and experimental method for analyzing the effects of martensite morphologies on the formability of DP steels

M Alipour, MA Torabi, M Sareban… - … Based Design of …, 2020 - Taylor & Francis
In this article, we investigated the effect of martensite morphology on the mechanical
properties and formability of dual phase steels. At first, three heat treatment cycles were …

Prediction of FLD for sheet metal by considering through-thickness shear stresses

A Ghazanfari, SS Soleimani… - … Based Design of …, 2020 - Taylor & Francis
In this study, the effect of through-thickness shear (TTS) stress has been examined on the
prediction of forming limit diagrams (FLDs). Determination of the FLD is based on the …

Strain-based plane element for fracture mechanics' problems

M Rezaiee-Pajand, N Gharaei-Moghaddam… - Theoretical and Applied …, 2020 - Elsevier
A triangular cracked plane element is proposed for application in fracture mechanics'
problems. The new element is based on the strain formulation and the compliance concept …

A cracked element based on the compliance concept

M Rezaiee-Pajand, N Gharaei-Moghaddam - Theoretical and Applied …, 2017 - Elsevier
Cracking releases the strain energy and decreases the stiffness of structures. From the force
formulation standpoint, it is equivalent to an increase in flexibility. This fact, which is called …

Crack detection using mixed axial and bending natural frequencies in metallic Euler-Bernoulli beam

M Mostafa, M Tawfik - Latin American Journal of Solids and Structures, 2016 - SciELO Brasil
For many years, several crack detection attempts have been using measurements of the
structure's modal parameters. One of the easiest is to measure and correlate the change in …

Methodology of Assessing Strength of Metal Structure Elements with Cracks

ZS Nuguzhinov, ZB Bakirov, MZ Bakirov… - IOP Conference …, 2020 - iopscience.iop.org
Technological defects such as cracks can exist in the elements of metal structures, or cracks
can appear during operation. Calculation of crack resistance, supplementing usual …

The stiffness matrix of cracked finite elements: Introducing shortcomings in applying stiffness approach and proposing a solution

AK Yazdi, A Shooshtari - Engineering Fracture Mechanics, 2018 - Elsevier
Several cracked finite elements have been introduced and implemented by researchers to
analyze structures with cracks. In the formulation of these elements, the elastic strain energy …

An Extended FEM Approach for Determining Crack Growth Parameters from the Texas Overlay Tester

AT Papagiannakis - 2021 - search.proquest.com
Transverse cracking is a common form of distress in asphalt concrete pavements. There has
been a multitude of efforts in studying this problem using fracture mechanics principles …

Crack shape evolution and stress intensity factors for opposite surface cracks in aircraft shaft under tension and combined loading

S Suresh Kumar, A Shyam Sundar… - … Based Design of …, 2023 - Taylor & Francis
Abstract Stress Intensity Factor (SIF) of opposite surface cracks presented in an un-notched
round bar has been determined under tension and combined load conditions. The influence …