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Journal Articles

A Finite Element Model of a Midsize Male for Simulating Pedestrian Accidents

Costin D. Untaroiu, Wansoo Pak, Yunzhu Meng, Jeremy Schap, Bharath Koya, Scott Gayzik
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. January 2018, 140(1): 011003.
Paper No: BIO-17-1058
https://doi.org/10.1115/1.4037854
Published Online: October 19, 2017
View Article titled, A Finite Element Model of a Midsize Male for Simulating Pedestrian Accidents
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Topics: Finite element model, Simulation, Knee
Proceedings Papers

Development and Preliminary Validation of a 50 th Percentile Pedestrian Finite Element Model

Costin D. Untaroiu, Jacob B. Putnam, Jeremy Schap, Matt L. Davis, F. Scott Gayzik
Proc. ASME. IDETC-CIE2015, Volume 3: 17th International Conference on Advanced Vehicle Technologies; 12th International Conference on Design Education; 8th Frontiers in Biomedical Devices, V003T01A004, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47781
https://doi.org/10.1115/DETC2015-47781
View Paper titled, Development and Preliminary Validation of a 50 th Percentile Pedestrian Finite Element Model
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Topics: Finite element model, Vehicles, Impact testing, Lumbar spine, Roads, Wounds, Accidents, Collisions (Physics), Design, Engineering simulation
Proceedings Papers

Preliminary Calibration and Validation of a Finite Element Model of THOR Mod Kit Dummy

Costin D. Untaroiu, Jacob B. Putnam, Jeffrey T. Somers, Joseph A. Pellettiere
Proc. ASME. IDETC-CIE2014, Volume 3: 16th International Conference on Advanced Vehicle Technologies; 11th International Conference on Design Education; 7th Frontiers in Biomedical Devices, V003T01A012, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34663
https://doi.org/10.1115/DETC2014-34663
View Paper titled, Preliminary Calibration and Validation of a Finite Element Model of THOR Mod Kit Dummy
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Topics: Calibration, Finite element model, NASA, Safety, Space vehicles, Vehicles, Compression, Computer software, Dynamic testing (Materials), Finite element analysis
Journal Articles

Hole-Pattern Seals Performance Evaluation Using Computational Fluid Dynamics and Design of Experiment Techniques

Alexandrina Untaroiu, Cheng Liu, Patrick J. Migliorini, Houston G. Wood, Costin D. Untaroiu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2014, 136(10): 102501.
Paper No: GTP-14-1129
https://doi.org/10.1115/1.4027217
Published Online: May 9, 2014
View Article titled, Hole-Pattern Seals Performance Evaluation Using Computational Fluid Dynamics and Design of Experiment Techniques
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Topics: Computational fluid dynamics, Design, Leakage
Proceedings Papers

Hole-Pattern Seals Performance Optimization Using Computational Fluid Dynamics and Design of Experiment Techniques

Alexandrina Untaroiu, Cheng Liu, Patrick J. Migliorini, Houston G. Wood, Costin D. Untaroiu
Proc. ASME. IMECE2013, Volume 7B: Fluids Engineering Systems and Technologies, V07BT08A058, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-66387
https://doi.org/10.1115/IMECE2013-66387
View Paper titled, Hole-Pattern Seals Performance Optimization Using Computational Fluid Dynamics and Design of Experiment Techniques
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Topics: Computational fluid dynamics, Design, Optimization, Leakage, Clearances (Engineering), Compressors, Engineering simulation, Experimental design, Fittings, Fluids
Proceedings Papers

Finite Element Simulation of Pelvic Fractures in a UAB-CIREN Crash Case of an Automotive Side Impact

Young-Ho Kim, Jong-Eun Kim, Costin D. Untaroiu, Russell Griffin, Alan W. Eberhardt
Proc. ASME. SBC2013, Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions, V01BT55A011, June 26–29, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SBC2013-14251
https://doi.org/10.1115/SBC2013-14251
View Paper titled, Finite Element Simulation of Pelvic Fractures in a UAB-CIREN Crash Case of an Automotive Side Impact
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Topics: Biomedicine, Emergencies, Finite element analysis, Pelvic fractures, Simulation, Wounds
Journal Articles

Biomechanical and Injury Response of Human Foot and Ankle Under Complex Loading

Jaeho Shin, Costin D. Untaroiu
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. October 2013, 135(10): 101008.
Paper No: BIO-13-1026
https://doi.org/10.1115/1.4025108
Published Online: September 20, 2013
View Article titled, Biomechanical and Injury Response of Human Foot and Ankle Under Complex Loading
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Topics: Finite element model, Simulation, Wounds, Failure, Biomechanics
Proceedings Papers

A Finite Element Model of the Occupant Lower Extremity for Automotive Impact Applications

Costin D. Untaroiu, Neng Yue, Jaeho Shin
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 267-268, June 20–23, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SBC2012-80059
https://doi.org/10.1115/SBC2012-80059
View Paper titled, A Finite Element Model of the Occupant Lower Extremity for Automotive Impact Applications
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Topics: Finite element model, Vehicles, Wounds, Finite element analysis, Injury mechanisms, Model validation, Modeling, Traffic accidents
Proceedings Papers

Numerical Modeling of Fluid-Induced Rotordynamic Forces in Seals With Large Aspect Ratio

Alexandrina Untaroiu, Costin D. Untaroiu, Houston G. Wood, Paul E. Allaire
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 67-75, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69830
https://doi.org/10.1115/GT2012-69830
View Paper titled, Numerical Modeling of Fluid-Induced Rotordynamic Forces in Seals With Large Aspect Ratio
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Topics: Computer simulation, Fluids, Flow (Dynamics), Computational fluid dynamics, Stiffness, Damping, Finite difference methods, Geometry, Rotors, Friction
Journal Articles

On the Dynamic Properties of Pump Liquid Seals

Alexandrina Untaroiu, Vahe Hayrapetian, Costin D. Untaroiu, Houston G. Wood, Bruno Schiavello, James McGuire
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2013, 135(5): 051104.
Paper No: FE-11-1492
https://doi.org/10.1115/1.4023653
Published Online: April 8, 2013
View Article titled, On the Dynamic Properties of Pump Liquid Seals
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Topics: Computational fluid dynamics, Flow (Dynamics), Fluids, Pumps, Rotors, Pressure
Journal Articles

Numerical Modeling of Fluid-Induced Rotordynamic Forces in Seals With Large Aspect Ratios

Alexandrina Untaroiu, Costin D. Untaroiu, Houston G. Wood, Paul E. Allaire
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2013, 135(1): 012501.
Paper No: GTP-12-1218
https://doi.org/10.1115/1.4007341
Published Online: November 21, 2012
View Article titled, Numerical Modeling of Fluid-Induced Rotordynamic Forces in Seals With Large Aspect Ratios
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Topics: Computational fluid dynamics, Computer simulation, Flow (Dynamics), Fluids, Rotors, Pressure, Whirls, Geometry, Boundary-value problems
Proceedings Papers

Fluid-Induced Forces in Pump Liquid Seals With Large Aspect Ratio

Alexandrina Untaroiu, Vahe Hayrapetian, Costin D. Untaroiu, Paul E. Allaire, Houston G. Wood, Bruno Schiavello, James McGuire
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 455-463, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-06085
https://doi.org/10.1115/AJK2011-06085
View Paper titled, Fluid-Induced Forces in Pump Liquid Seals With Large Aspect Ratio
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Topics: Fluids, Pumps, Computational fluid dynamics, Flow (Dynamics), Fluid dynamics, Geometry, Rotors, Shear stress, Compressors, Damping
Proceedings Papers

Transmitted Power in a Structure Using the Effective Mass Parameters

Costin D. Untaroiu, Alexandrina Untaroiu, Matthew Wagner, Paul E. Allaire
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 899-904, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22526
https://doi.org/10.1115/GT2010-22526
View Paper titled, Transmitted Power in a Structure Using the Effective Mass Parameters
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Topics: Flow (Dynamics), Linear systems, Stiffness, Vibration
Journal Articles

Constrained Design Optimization of Rotor-Tilting Pad Bearing Systems

Costin D. Untaroiu, Alexandrina Untaroiu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122502.
https://doi.org/10.1115/1.4001811
Published Online: August 25, 2010
View Article titled, Constrained Design Optimization of Rotor-Tilting Pad Bearing Systems
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Topics: Bearings, Design, Optimization, Rotors
Proceedings Papers

Automatic Design Optimization of Rotors Supported on Tilting Pad Bearings

Costin D. Untaroiu, Alexandrina Untaroiu, Amir Younan, Paul E. Allaire
Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 649-655, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59159
https://doi.org/10.1115/GT2009-59159
View Paper titled, Automatic Design Optimization of Rotors Supported on Tilting Pad Bearings
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Topics: Bearings, Design, Optimization, Rotors, Algorithms, Finite element analysis, Flow (Dynamics), Genetic algorithms, Optimization algorithms, Particulate matter
Proceedings Papers

Computational Modeling and Experimental Investigation of Static Straight-Through Labyrinth Seals

Alexandrina Untaroiu, Christopher P. Goyne, Costin D. Untaroiu, Houston G. Wood, Robert Rockwell, Paul E. Allaire
Proc. ASME. IMECE2008, Volume 5: Design, Analysis, Control and Diagnosis of Fluid Power Systems, 133-139, October 31–November 6, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-67847
https://doi.org/10.1115/IMECE2008-67847
View Paper titled, Computational Modeling and Experimental Investigation of Static Straight-Through Labyrinth Seals
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Topics: Clearances (Engineering), Compressible flow, Computational fluid dynamics, Computer simulation, Computers, Design, Engineering simulation, Engineers, Excitation, Flow (Dynamics)
Proceedings Papers

The Strain Distribution and Force Transmission Path Through Pubic Rami During Lateral Pelvic Impacts

Costin D. Untaroiu, Robert S. Salzar, Herve´ Guillemot, Jeff R. Crandall
Proc. ASME. IMECE2008, Volume 17: Transportation Systems, 79-88, October 31–November 6, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-67791
https://doi.org/10.1115/IMECE2008-67791
View Paper titled, The Strain Distribution and Force Transmission Path Through Pubic Rami During Lateral Pelvic Impacts
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Topics: Acoustic emissions, Compressive stress, Computers, Countermeasures, Dynamic testing (Engineering), Engineering simulation, Failure, Finite element model, Fracture (Materials), Fracture (Process)
Journal Articles

Injury Tolerance and Moment Response of the Knee Joint to Combined Valgus Bending and Shear Loading

Dipan Bose, Kavi S. Bhalla, Costin D. Untaroiu, B. Johan Ivarsson, Jeff R. Crandall, Shepard Hurwitz
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. June 2008, 130(3): 031008.
https://doi.org/10.1115/1.2907767
Published Online: April 28, 2008
View Article titled, Injury Tolerance and Moment Response of the Knee Joint to Combined Valgus Bending and Shear Loading
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Topics: Knee, Shear (Mechanics), Wounds, Failure, Displacement
Journal Articles

Balancing of Flexible Rotors Using Convex Optimization Techniques: Optimum Min-Max LMI Influence Coefficient Balancing

Costin D. Untaroiu, Paul E. Allaire, William C. Foiles
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2008, 130(2): 021006.
https://doi.org/10.1115/1.2730535
Published Online: February 4, 2008
View Article titled, Balancing of Flexible Rotors Using Convex Optimization Techniques: Optimum Min-Max LMI Influence Coefficient Balancing
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Topics: Optimization, Rotors, Vibration, Algorithms