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Proceedings Papers

Flow Characteristics Inside a Transpatent Flexible Left Ventricle With Anatomical and Antianatomical Valve Orientation

Olga Pierrakos, Pavlos P. Vlachos, Demetri P. Telionis

Proc. ASME. IMECE2001, Advances in Bioengineering, 255-256, November 11–16, 2001

Paper No: IMECE2001/BED-23127

DOI: https://doi.org/10.1115/IMECE2001/BED-23127

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Topics: Flow (Dynamics), Valves, Vortices, Blood, Computer simulation, Heart valve prostheses, Particulate matter, Shear stress, Wakes

Proceedings Papers

Turbulent vs. Vortex Ring Energy Losses in the Left Ventricle

Olga Pierrakos, Pavlos Vlachos

Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 231-232, June 20–24, 2007

Paper No: SBC2007-176668

DOI: https://doi.org/10.1115/SBC2007-176668

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Topics: Energy dissipation, Turbulence, Vortices, Flow (Dynamics), Valves, Design, Geometry, Heart valve prostheses, Hemodynamics, Jets

Proceedings Papers

Effect of Stent Design Parameters on Fluid and Structural Mechanics in Coronary Arteries

Shannon B. Geiger, Mark P. Golay, Benjamin G. Harless, Brice A. Holzgang, David R. Pugh, Rawley J. Stanhope, Patricia S. Wolfe, Karri Satyaprakash, Olga Pierrakos, Pavlos Vlachos

Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 737-738, June 20–24, 2007

Paper No: SBC2007-176532

DOI: https://doi.org/10.1115/SBC2007-176532

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Topics: Coronary arteries, Design, Fluids, Stents, Structural analysis, Structural mechanics, Metals, Drugs, Flow (Dynamics), Surgery

Proceedings Papers

Integration of a Client-Based Design Project Into the Sophomore Year

Jacquelyn K. S. Nagel, Robert L. Nagel, Eric Pappas, Olga Pierrakos

Proc. ASME. IDETC-CIE2012, Volume 7: 9th International Conference on Design Education; 24th International Conference on Design Theory and Methodology, 47-56, August 12–15, 2012

Paper No: DETC2012-70612

DOI: https://doi.org/10.1115/DETC2012-70612

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Topics: Design, Students, Engineering design, Design education, Engineering design processes, Computer software, Decision making, Dimensions, Engineers, Green design

Proceedings Papers

In-Vitro Modeling of Heart Failure in the Presence of a Prosthetic Heart Valve Using Particle Image Velocimetry

Min Xiao, Annie Bailey, Olga Pierrakos

Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 1213-1214, June 22–25, 2011

Paper No: SBC2011-53788

DOI: https://doi.org/10.1115/SBC2011-53788

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Topics: Heart failure, Heart valve prostheses, Modeling, Particulate matter, Diseases, Cardiovascular system, Chemical vapor deposition

Proceedings Papers

The Integration of Sustainability, Systems, and Engineering Design in the Engineering Curriculum at James Madison University

Robert L. Nagel, Olga Pierrakos, Eric C. Pappas, Adebayo Ogundipe

Proc. ASME. IDETC-CIE2011, Volume 7: 5th International Conference on Micro- and Nanosystems; 8th International Conference on Design and Design Education; 21st Reliability, Stress Analysis, and Failure Prevention Conference, 833-843, August 28–31, 2011

Paper No: DETC2011-47847

DOI: https://doi.org/10.1115/DETC2011-47847

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Topics: Engineering design, Sustainability, Engineering education, Engineers, Design, Mathematics, Students, Trains

Proceedings Papers

A Novel Assessment Technique for Prosthetic Valve Function: Employing a New Laboratory Approach to Characterize Projected Dynamic Valve Area and Vortex Formation Analysis

Jennifer Bartell, Olga Pierrakos, Lawrence Scotten

Proc. ASME. IMECE2008, Volume 2: Biomedical and Biotechnology Engineering, 481-482, October 31–November 6, 2008

Paper No: IMECE2008-68575

DOI: https://doi.org/10.1115/IMECE2008-68575

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Topics: Artificial limbs, Valves, Vortices, Annulus, Design, Flow (Dynamics), Fluids, Heart valve prostheses, Impulse (Physics), Kinematics

Proceedings Papers

An Innovative Engineering Curriculum at James Madison University: Transcending Disciplinary Boundaries Through Innovative Problem Based Learning Practices

Olga Pierrakos, Ronald Kander, Eric Pappas, Robert Prins

Proc. ASME. IMECE2008, Volume 9: Engineering Education and Professional Development, 189-195, October 31–November 6, 2008

Paper No: IMECE2008-68015

DOI: https://doi.org/10.1115/IMECE2008-68015

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Topics: Education, Engineering disciplines, Engineering education, Engineers, Storms, Undergraduate students

Proceedings Papers

A Study of Mechanical Engineering Students’ Learning Outcomes During Summer Undergraduate Research Experiences

Olga Pierrakos

Proc. ASME. IMECE2008, Volume 9: Engineering Education and Professional Development, 35-41, October 31–November 6, 2008

Paper No: IMECE2008-68041

DOI: https://doi.org/10.1115/IMECE2008-68041

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Topics: Mechanical engineering, Performance, Students, Undergraduate research, Undergraduate students, Engineering disciplines

Proceedings Papers

The Effect of an Active Travelling Wave Wall Motion on the Structure of a Turbulent Boundary Layer

Pavlos P. Vlachos, Ali Etebari, Olga Pierrakos

Proc. ASME. FEDSM2006, Volume 1: Symposia, Parts A and B, 79-88, July 17–20, 2006

Paper No: FEDSM2006-98200

DOI: https://doi.org/10.1115/FEDSM2006-98200

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Topics: Boundary layer turbulence, Drag reduction, Flow control, Traveling waves, Turbulence, Flow (Dynamics), Skin, Actuators, Boundary layers, Drag (Fluid dynamics)

Proceedings Papers

Automatic MRI Image Segmentation and Left Ventricle Surface Reconstruction for Characterizing Myocardial Muscle Function

Ali Etebari, Olga Pierrakos, Pavlos P. Vlachos

Proc. ASME. IMECE2002, Advances in Bioengineering, 351-352, November 17–22, 2002

Paper No: IMECE2002-32251

DOI: https://doi.org/10.1115/IMECE2002-32251

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Topics: Image segmentation, Magnetic resonance imaging, Muscle, Diseases, Fibers, Firing

Proceedings Papers

Analysis of Fluid-Stent Interaction via Digital Particle Image Velocimetry

Saami K. Yazdani, Pavlos P. Vlachos, Joel L. Berry, Olga Pierrakos

Proc. ASME. IMECE2002, Advances in Bioengineering, 289-290, November 17–22, 2002

Paper No: IMECE2002-32585

DOI: https://doi.org/10.1115/IMECE2002-32585

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Topics: Fluids, Particulate matter, Stents, Aneurysms, Flow (Dynamics), Blood flow, Failure, Pressure, Vessels, Waves

Proceedings Papers

Effects of Womersely and Reynolds Numbers on a Symmetric Compliant Bifurcation

Saami K. Yazdani, Pavlos P. Vlachos, Demetri D. Telionis, Olga Pierrakos

Proc. ASME. IMECE2002, Advances in Bioengineering, 273-274, November 17–22, 2002

Paper No: IMECE2002-32569

DOI: https://doi.org/10.1115/IMECE2002-32569

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Topics: Atherosclerosis, Bifurcation, Blood flow, Carotid arteries, Coronary arteries, Cycles, Diseases, Economics , Flow (Dynamics), Reynolds number

Proceedings Papers

Characterization of Hemodynamic Performance and Degree of Flow Redirection in the Left Ventricle Dependent on the Mitral Mechanical Heart Valve Orientation

Olga Pierrakos, Pavlos P. Vlachos, Demetri P. Telionis, Saami Yazdani, Ali Etebari

Proc. ASME. IMECE2002, Advances in Bioengineering, 275-276, November 17–22, 2002

Paper No: IMECE2002-32570

DOI: https://doi.org/10.1115/IMECE2002-32570

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Topics: Flow (Dynamics), Heart valve prostheses, Hemodynamics, Valves, Design, Physiology

Proceedings Papers

High Spatio-Temporal Resolution Digital Particle Image Velocimetry Near Compliant, Dynamically Moving Boundaries

Ali Etebari, Claude Abiven, Olga Pierrakos, Pavlos P. Vlachos

Proc. ASME. IMECE2002, Advances in Bioengineering, 375-376, November 17–22, 2002

Paper No: IMECE2002-32529

DOI: https://doi.org/10.1115/IMECE2002-32529

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Topics: Particulate matter, Resolution (Optics), Flow (Dynamics), Spacetime, Velocity measurement

Journal Articles

The Effect of Vortex Formation on Left Ventricular Filling and Mitral Valve Efficiency

Olga Pierrakos, Pavlos P. Vlachos

J Biomech Eng. August 2006, 128(4): 527–539.

DOI: https://doi.org/10.1115/1.2205863

Published Online: February 3, 2006

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Topics: Flow (Dynamics), Valves, Vortices

Journal Articles

Time-Resolved DPIV Analysis of Vortex Dynamics in a Left Ventricular Model Through Bileaflet Mechanical and Porcine Heart Valve Prostheses

Olga Pierrakos, Pavlos P. Vlachos, Demetri P. Telionis

J Biomech Eng. December 2004, 126(6): 714–726.

DOI: https://doi.org/10.1115/1.1824124

Published Online: February 4, 2005

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Topics: Flow (Dynamics), Heart valve prostheses, Valves, Vortices, Dynamics (Mechanics), Vorticity, Hemodynamics, Turbulence

Journal citation

NARROW

Flow Characteristics Inside a Transpatent Flexible Left Ventricle With Anatomical and Antianatomical Valve Orientation

Turbulent vs. Vortex Ring Energy Losses in the Left Ventricle

Effect of Stent Design Parameters on Fluid and Structural Mechanics in Coronary Arteries

Integration of a Client-Based Design Project Into the Sophomore Year

In-Vitro Modeling of Heart Failure in the Presence of a Prosthetic Heart Valve Using Particle Image Velocimetry

The Integration of Sustainability, Systems, and Engineering Design in the Engineering Curriculum at James Madison University

A Novel Assessment Technique for Prosthetic Valve Function: Employing a New Laboratory Approach to Characterize Projected Dynamic Valve Area and Vortex Formation Analysis

An Innovative Engineering Curriculum at James Madison University: Transcending Disciplinary Boundaries Through Innovative Problem Based Learning Practices

A Study of Mechanical Engineering Students’ Learning Outcomes During Summer Undergraduate Research Experiences

The Effect of an Active Travelling Wave Wall Motion on the Structure of a Turbulent Boundary Layer

Automatic MRI Image Segmentation and Left Ventricle Surface Reconstruction for Characterizing Myocardial Muscle Function

Analysis of Fluid-Stent Interaction via Digital Particle Image Velocimetry

Effects of Womersely and Reynolds Numbers on a Symmetric Compliant Bifurcation

Characterization of Hemodynamic Performance and Degree of Flow Redirection in the Left Ventricle Dependent on the Mitral Mechanical Heart Valve Orientation

High Spatio-Temporal Resolution Digital Particle Image Velocimetry Near Compliant, Dynamically Moving Boundaries

The Effect of Vortex Formation on Left Ventricular Filling and Mitral Valve Efficiency

Time-Resolved DPIV Analysis of Vortex Dynamics in a Left Ventricular Model Through Bileaflet Mechanical and Porcine Heart Valve Prostheses

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