1-8 of 8
Youssef Hammi
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Comparison of Ballistic Impact Simulations Using Different Constitutive Material Models of Concrete

Chris Duncan, Richard Allen Perkins, Daniel Johnson, Mei Chandler, Robert Moser, Jesse Sherburn, Youssef Hammi
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T03A037, October 30–November 3, 2022
Paper No: IMECE2022-94248
DOI: https://doi.org/10.1115/IMECE2022-94248
View Paper
PDF
Topics: Concretes, Simulation, Finite element analysis, Projectiles, Compression, Computer simulation, Damage, Defense industry, Energy transformation, High strength concrete
Journal Articles

A Dynamic Three Invariant Cap-Viscoplastic Damage Model for Ultrahigh-Performance Concrete

Bhasker Paliwal, Youssef Hammi, Mei Chandler, Robert D. Moser, Mark F. Horstemeyer
Journal: Journal of Engineering Materials and Technology
Article Type: Research-Article
J. Eng. Mater. Technol. January 2020, 142(1): 011001.
Paper No: MATS-18-1342
DOI: https://doi.org/10.1115/1.4043705
Published Online: May 30, 2019
View Article
PDF
Topics: Compression, Concretes, Damage, Stress, Constitutive equations, Viscoplasticity, Plasticity
Proceedings Papers

Comparison of Johnson-Cook Model and an ISV Plasticity Damage Model in Penetration Simulation

Yangqing Dou, Yucheng Liu, Youssef Hammi
Proc. ASME. IMECE2016, Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Diagnosis, and Prognosis, V009T12A022, November 11–17, 2016
Paper No: IMECE2016-68195
DOI: https://doi.org/10.1115/IMECE2016-68195
View Paper
PDF
Topics: Damage, Plasticity, Simulation, Aluminum, Fracture (Materials), Mechanical behavior, Nucleation (Physics), Reliability, Simulation results
Journal Articles

Smooth Yield Surface Constitutive Modeling for Granular Materials

Youssef Hammi, Tonya W. Stone, Bhasker Paliwal, Mark F. Horstemeyer, Paul G. Allison
Journal: Journal of Engineering Materials and Technology
Article Type: Research-Article
J. Eng. Mater. Technol. January 2017, 139(1): 011010.
Paper No: MATS-16-1181
DOI: https://doi.org/10.1115/1.4034987
Published Online: November 14, 2016
View Article
PDF
Topics: Compacting, Constitutive equations, Density, Failure, Granular materials, Hardening, Plasticity, Shear (Mechanics), Steel, Stress
Proceedings Papers

Computational Investigation of High Velocity Penetration of Copper Subjected to Impact From Nickel Projectiles

Yucheng Liu, Yangqing Dou, Youssef Hammi
Proc. ASME. IMECE2015, Volume 9: Mechanics of Solids, Structures and Fluids, V009T12A003, November 13–19, 2015
Paper No: IMECE2015-50241
DOI: https://doi.org/10.1115/IMECE2015-50241
View Paper
PDF
Topics: Copper, Nickel, Projectiles, Equations, Shapes, Simulation, Stress
Journal Articles

Micromechanics Study of Fatigue Damage Incubation Following an Initial Overstrain

Yibin Xue, Amanda M. Wright, David L. McDowell, Mark F. Horstemeyer, Kiran Solanki, Youssef Hammi
Journal: Journal of Engineering Materials and Technology
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021010.
DOI: https://doi.org/10.1115/1.4000227
Published Online: February 19, 2010
View Article
PDF
Topics: Aluminum alloys, Cycles, Deformation, Fatigue, Fatigue cracks, Fatigue damage, Fracture (Materials), Intermetallic compounds, Micromechanics (Engineering), Particulate matter
Proceedings Papers

Modeling of Anisotropic Damage for Ductile Materials in Metal Forming Processes

Youssef Hammi, Mark F. Horstemeyer, Doug J. Bammann
Proc. ASME. IMECE2002, Applied Mechanics and Biomedical Technology, 29-36, November 17–22, 2002
Paper No: IMECE2002-32999
DOI: https://doi.org/10.1115/IMECE2002-32999
View Paper
PDF
Topics: Anisotropy, Damage, Metalworking, Modeling, Plasticity, Aluminum, Aluminum alloys, Constitutive equations, Continuum mechanics, Extruding
Proceedings Papers

An Anisotropic Damage Model for Ductile Metals

Youssef Hammi, Mark F. Horstemeyer, Doug J. Bammann
Proc. ASME. IMECE2002, Materials: Processing, Characterization and Modeling of Novel Nano-Engineered and Surface Engineered Materials, 185-192, November 17–22, 2002
Paper No: IMECE2002-32887
DOI: https://doi.org/10.1115/IMECE2002-32887
View Paper
PDF
Topics: Anisotropy, Damage, Metals, Tensors, Nucleation (Physics), Aluminum alloys, Fracture (Materials), Plasticity, Fracture toughness, Hydrostatics