Faculty Directory

Modarres, Mohammad

Modarres, Mohammad

Nicole Y. Kim Eminent Professor
Director, Nuclear Engineering Program
Director, Center for Risk and Reliability
Mechanical Engineering
Maryland Energy Innovation Institute
Center for Risk and Reliability
0151C Glenn L. Martin Hall, Building 088


  • Ph.D., Massachusetts Institute of Technology, 1980


Dr. Modarres has served as a consultant to several governmental agencies, private organizations and national laboratories in areas related to probabilistic risk assessment, prognosis and health management, probabilistic physics of failure, and fracture mecanics especially applications to complex systems and processes such as the nuclear power plants. He has over 400 papers in archival journals and proceedings of conferences and five books in various areas of risk and reliability engineering.


  • 2008 International Research Leadership Award conferred by the Society for Reliability Engineering, Quality and Operations Management
  • Distinguished Scholar-Teacher Award, 1994-95
  • Fellow, American Nuclear Society

Probabilistic risk assessment Uncertainty analysis Physics of failure probabilistic modeling of failure mechanisms of mechanical components, systems and structures Reliability analysis of complex engineering systems Nuclear safety analysis


  • M. Modarres, "Risk Analysis in Engineering: Probabilistic Techniques, Tools and Trends," CRC Press (2006).


  • F. Joglar, F. Mowrer, M. Modarres, "A Probabilistic Model for Fire Detection with Applications," Fire Technology J., 41, 151-172 (2005).
  • S. Chamberlain, M. Modarres, "Compressed Natural Gas Safety: A Quantitative Analysis," Risk Analysis J., 25, 377-389 (2005).
  • J. L. Hurtado , F. Joglar , M. Modarres, "Generalized Renewal Process: Models, Parameter Estimation and Applications to Maintenance Problems," International Journal on Performability Engineering, 1, July (2005).
  • W. Keller, M. Modarres, "A historical overview of probabilistic risk assessment development and its use in the nuclear power industry: a tribute to the late Professor Norman Carl Rasmussen," Reliability Engineering and System Safety, 89, 271-285 (2005).
  • M. Modarres, "Technology-Neutral Nuclear Power Plant Regulation: Implications of a Safety Goals-Driven Performance-Based Regulation," Nuclear Engineering & Technology, Vol. 37, No.3 (2005).

Student Spotlight: Paul Nation

He was not a fan of the classroom but ended up in UMD's engineering program through his work with the Australian Army.

Nuclear Pioneer Reyes Achieves Historic Milestone

NuScale Power, co-founded by UMD alumnus José Reyes, is the first to win NRC approval for a small modular reactor (SMR) design.

Sergio Cofre-Martel wins 1st Place for Graduate Student Award

Sergio Cofre-Martel is the 1st Place Graduate Student Winner of the 2020 SER2AD Student Safety Innovation Challenge

Student Spotlight: Ramin Moradi

Meet Ramin, who thinks of reliability engineering as a very unique and useful set of skills.

Foad Karimian Awarded American Society for Nondestructive Testing Graduate Fellowship

Foad's research will focus on "Early prediction of fatigue failure and remaining useful life estimation in CFRP materials based on acoustic emission waveform information entropy."

Student Spotlight: Joy Shen

Meet Joy, who finds that STEM has a lot of room for creativity and imagination. 

Foad Karimian Nominated for Ann G. Wylie Semester Dissertation Fellowship

The Fellowship provides support to doctoral candidates in the latter stages of writing their dissertations.

Dr. Mohammad Modarres Presents Keynote at Invite-Only Conference

Dr. Modarres gave a keynote on "Advances in Probabilistic Physics-of-Failure."

Student Spotlight: Jonathan DeJesus Segarra

Meet Jonathan, who believes engineering is a way to apply life-long learning. 

Dr. Mohammad Modarres to Present at Multiple Seminars in October

Dr. Modarres will be presenting at four seminars across October 2019

Student Spotlight: Huisung Yun

Meet Huisung, who believes the relationship between engineers and decision-makers is critical for safety.

Summary of PSA 2019, April 28-May 4, in Charleston, SC

Dr. Mohammad Modarres served as the Technical Chair at PSA 2019 in Charleston, SC.

UMD workshop examines risks related to new transportation technology

Key concerns include vehice safety, software reliabillity, and cybersecurity.

Bensi, Groth Selected for Nuclear Facility Risk Assessment Faculty Development Program

The inter-department program will support junior faculty in developing solutions to advance probabilistic risk assessments.

Dr. Mohammad Modarres selected as Program Chair for PSA 2019.

Dr. Modarres will act as the Program Chair at PSA 2019 this spring.

CRR Congratulates Taotao Zhou, Ph.D

Taotao Zhou earns doctorate, defends dissertation on MUPRA for CCF events in commercial nuclear environments

Alumni Dr. Jeong H. Kim Receives 2016 Horatio Alger Award

Kim named one of 13 exceptional corporate and civic leaders to the Horatio Alger Member Class of 2016

  • American Nuclear Society