Dr. Ahmad Najafi
Assistant Professor of Department of Mechanical Engineering & Mechanics, Drexel University
'%3e%3cpath%20d='M22.1642%2019.0924C21.7317%2018.068%2021.1041%2017.1375%2020.3163%2016.3527C19.5309%2015.5656%2018.6006%2014.9381%2017.5766%2014.5048C17.5674%2014.5002%2017.5582%2014.4979%2017.5491%2014.4933C18.9774%2013.4616%2019.9059%2011.7811%2019.9059%209.88504C19.9059%206.74408%2017.3611%204.19922%2014.2201%204.19922C11.0792%204.19922%208.53429%206.74408%208.53429%209.88504C8.53429%2011.7811%209.46282%2013.4616%2010.8912%2014.4956C10.882%2014.5002%2010.8728%2014.5025%2010.8636%2014.5071C9.83652%2014.9404%208.91487%2015.5617%208.1239%2016.355C7.33685%2017.1404%206.70933%2018.0707%206.276%2019.0947C5.85031%2020.0972%205.62072%2021.172%205.59967%2022.2609C5.59905%2022.2853%205.60335%2022.3097%205.61229%2022.3325C5.62123%2022.3553%205.63465%2022.376%205.65174%2022.3935C5.66883%2022.4111%205.68926%2022.425%205.71182%2022.4345C5.73437%2022.444%205.7586%2022.4489%205.78308%2022.4489H7.15868C7.25956%2022.4489%207.3398%2022.3686%207.3421%2022.2701C7.38795%2020.5001%208.09868%2018.8425%209.35506%2017.5861C10.655%2016.2862%2012.3814%2015.5709%2014.2201%2015.5709C16.0588%2015.5709%2017.7852%2016.2862%2019.0852%2017.5861C20.3415%2018.8425%2021.0523%2020.5001%2021.0981%2022.2701C21.1004%2022.3709%2021.1807%2022.4489%2021.2815%2022.4489H22.6571C22.6816%2022.4489%2022.7058%2022.444%2022.7284%2022.4345C22.751%2022.425%2022.7714%2022.4111%2022.7885%2022.3935C22.8056%2022.376%2022.819%2022.3553%2022.8279%2022.3325C22.8369%2022.3097%2022.8412%2022.2853%2022.8406%2022.2609C22.8176%2021.165%2022.5907%2020.0989%2022.1642%2019.0924ZM14.2201%2013.8284C13.1678%2013.8284%2012.1773%2013.418%2011.4322%2012.6729C10.6871%2011.9278%2010.2767%2010.9374%2010.2767%209.88504C10.2767%208.83271%2010.6871%207.84227%2011.4322%207.09715C12.1773%206.35204%2013.1678%205.94165%2014.2201%205.94165C15.2724%205.94165%2016.2629%206.35204%2017.008%207.09715C17.7531%207.84227%2018.1635%208.83271%2018.1635%209.88504C18.1635%2010.9374%2017.7531%2011.9278%2017.008%2012.6729C16.2629%2013.418%2015.2724%2013.8284%2014.2201%2013.8284Z'%20fill='%238590A2'/%3e%3c/g%3e%3c/svg%3e)
Co-authors
Following
Followers
Research Focus & Metrics
Explore full metrics on Scilit
Academic Career Length
21Years (2006-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications6 February 2016 in Interface Focus
Journal Article
FSFereshteh A. Sabet
Fereshteh A. Sabet
Ahmad NajafiEHElham Hamed
Elham Hamed
IJIwona Maria Jasiuk
Iwona Maria JasiukIn this paper, we review analytical and computational models of bone fracture and strength. Bone fracture is a complex phenomenon due to the composite, inhomogeneous and hierarchical structure of bone. First, we briefly summarize the hierarchical structure of bone, spanning from the nanoscale, sub-microscale, microscale, mesoscale to the macroscale, and discuss experimental observations on failure mechanisms in bone at these scales. Then, we highlight representative analytical and computational models of bone fracture and strength at different length scales and discuss the main findings in the context of experiments. We conclude by summarizing the challenges in modelling of bone fracture and strength and list open topics for scientific exploration. Modelling of bone, accounting for different scales, provides new and needed insights into the fracture and strength of bone, which, in turn, can lead to improved diagnostic tools and treatments of bone diseases such as osteoporosis.
1 January 2007 in Journal of Biomechanics
Journal Article
Ahmad NajafiAAA.R. Arshi
A.R. Arshi
MEM.R. Eslami
M.R. Eslami
SFS. Fariborz
S. FariborzMMM.H. Moeinzadeh
M.H. Moeinzadeh
27 May 2022 in Computer Methods in Applied Mechanics and Engineering
Journal Article
NBNolan Black
Nolan BlackAhmad Najafi1 December 2017 in International Journal of Heat and Mass Transfer
Journal Article
SPStephen J. Pety
Stephen J. Pety
MTMarcus Hwai Yik Tan
Marcus Hwai Yik Tan
Ahmad NajafiPBPhilip R Barnett
Philip R BarnettPGPhilippe H. Geubelle
Philippe H. Geubelle
SWScott R. White
Scott R. White
1 November 2015 in Computer Methods in Applied Mechanics and Engineering
Journal Article
Ahmad NajafiMSMasoud Safdari
Masoud Safdari
DTDaniel A. Tortorelli
Daniel A. Tortorelli
PGPhilippe H. Geubelle
Philippe H. Geubelle
1 October 2013 in International Journal of Heat and Mass Transfer
Journal Article
SSSoheil Soghrati
Soheil Soghrati
Ahmad NajafiJLJie H. Lin
Jie H. Lin
KHKevin M. Hughes
Kevin M. Hughes
SWScott R. White
Scott R. WhitePGPhilippe H. Geubelle
Philippe H. Geubelle
+1
About Me
Ahmad Raeisi Najafi earned his first Ph.D. in Biomedical Engineering from Tehran Polytechnique in 2006 and a second Ph.D. in Theoretical and Applied Mechanics from the University of Illinois at Urbana-Champaign in 2016. He is currently an Associate Professor in the Department of Mechanical Engineering and Mechanics at Drexel University and directs the Multiscale Computational Mechanics and Biomechanics Lab (MCMB Lab). He previously served as Director of the NSF S-STEM AMIE Scholarship Program at Drexel. His research spans design optimization, damage and fracture mechanics, computational biology and biophysics, and orthopedic materials and implants. Prof. Najafi is the recipient of several prestigious honors, including the NSF CAREER Award (2022), Drexel Provost Award for Outstanding Early Career Scholarly Productivity (2023), College of Engineering Outstanding Early-Career Research Award (2023), and the Drexel University Career Development Award (2019). He is an active member of ASME, USACM, ISSMO, and ASB and serves as a Review Editor for Structural and Multidisciplinary Optimization. He previously served on the Editorial Board of Multifunctional Materials (2019–2022).