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Proceedings Papers

Review of Original Calculations and pc-PRAISE Source Code Used to Develop ASME Code Section XI Appendix L Equivalent Single Crack Tables

Steven X. Xu, Nathan Glunt, Do Jun Shim, Gary L. Stevens, Douglas A. Scarth
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A024, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-121858
https://doi.org/10.1115/PVP2024-121858
View Paper titled, Review of Original Calculations and pc-PRAISE Source Code Used to Develop ASME Code Section XI Appendix L Equivalent Single Crack Tables
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Topics: ASME Standards, Fatigue cracks, Fracture (Materials), Acceptance criteria, Fatigue, Fracture mechanics, Inspection, Leakage, Nondestructive evaluation, Pipes
Proceedings Papers

Stress Intensity Factor Solution Comparison for Very Long Circumferential Flaws in Cylinders Using Finite Element Analysis

Nathan Glunt, Steven X. Xu, Russell C. Cipolla
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A029, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-125188
https://doi.org/10.1115/PVP2024-125188
View Paper titled, Stress Intensity Factor Solution Comparison for Very Long Circumferential Flaws in Cylinders Using Finite Element Analysis
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Topics: Cylinders, Finite element analysis, Stress
Proceedings Papers

Technical Basis for Proposed ASME Section XI Code Case on Evaluation Requirements for a Static Over-Pressure Event in Class 2 or 3 Piping System

Steven X. Xu, Mark Moenssens, George Antaki, Raymond Pace
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A028, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-125010
https://doi.org/10.1115/PVP2024-125010
View Paper titled, Technical Basis for Proposed ASME Section XI Code Case on Evaluation Requirements for a Static Over-Pressure Event in Class 2 or 3 Piping System
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Topics: ASME Standards, Clearances (Engineering), Piping systems, Pressure
Proceedings Papers

Experimental Studies of the Heat Exchange in Paired Vessels Using the Rat Spinotrapezius Muscle

Ji Song, Lisa X. Xu, Daniel E. Lemons, Sheldon Weinbaum
Proc. ASME. IMECE97, Advances in Heat and Mass Transfer in Biotechnology, 151-153, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-1327
https://doi.org/10.1115/IMECE1997-1327
View Paper titled, Experimental Studies of the Heat Exchange in Paired Vessels Using the Rat Spinotrapezius Muscle
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Topics: Heat, Muscle, Vessels, Heat transfer, Biological tissues, Blood, Blood flow, Bioheat transfer, Geometry, Thermal conductivity
Proceedings Papers

Temperature Responses in the Canine Prostate During Transurethral Microwave Hyperthermia

Liang Zhu, Lisa X. Xu, Ken R. Holmes
Proc. ASME. IMECE97, Advances in Heat and Mass Transfer in Biotechnology, 157-159, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-1328
https://doi.org/10.1115/IMECE1997-1328
View Paper titled, Temperature Responses in the Canine Prostate During Transurethral Microwave Hyperthermia
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Topics: Microwaves, Temperature, Biological tissues, Microwave heating, Blood flow, Patient treatment
Proceedings Papers

A Review of Current Best Practice for Validation of Probabilistic Fracture Mechanics Codes for Assessment of Nuclear Structural Integrity

Steven X. Xu, David L. Rudland, Douglas A. Scarth
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A054, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-107513
https://doi.org/10.1115/PVP2023-107513
View Paper titled, A Review of Current Best Practice for Validation of Probabilistic Fracture Mechanics Codes for Assessment of Nuclear Structural Integrity
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Topics: Fracture mechanics
Proceedings Papers

Scaling Blood Flow Rate in the Rat Spinotrapezius Muscle

Ji Song, Lisa X. Xu, Sheldon Weinbaum, Daniel E. Lemons
Proc. ASME. IMECE96, Advances in Heat and Mass Transfer in Biotechnology, 51-57, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0751
https://doi.org/10.1115/IMECE1996-0751
View Paper titled, Scaling Blood Flow Rate in the Rat Spinotrapezius Muscle
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Topics: Blood flow, Muscle, Vessels, Biological tissues, Weight (Mass), Flow (Dynamics), Geometry, Scaling laws (Mathematical physics), Shear stress
Proceedings Papers

Electromagnetic (EM) Quantification of the Microwave Antenna for the Transurethral Prostatic Thermotherapy

Liang Zhu, Lisa X. Xu, David Y. Yuan, Eric N. Rudie
Proc. ASME. IMECE96, Advances in Heat and Mass Transfer in Biotechnology, 17-20, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0742
https://doi.org/10.1115/IMECE1996-0742
View Paper titled, Electromagnetic (EM) Quantification of the Microwave Antenna for the Transurethral Prostatic Thermotherapy
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Topics: Microwaves, Biological tissues, Phantoms, Absorption, Convection, Cooling systems, Design, Dimensions, Heat, Heat transfer
Proceedings Papers

An Extended Process-Zone Modeling Framework for Overload Crack Initiation in Zr-2.5Nb Pressure Tubes

Steven X. Xu, Douglas A. Scarth, David Cho
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A034, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-85158
https://doi.org/10.1115/PVP2022-85158
View Paper titled, An Extended Process-Zone Modeling Framework for Overload Crack Initiation in Zr-2.5Nb Pressure Tubes
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Topics: Fracture (Materials), Modeling, Pressure, Stress, Zirconium
Proceedings Papers

A Review of Constraint Effects on Fracture Toughness for Structural Integrity Assessment in Fitness-for-Service Codes

Steven X. Xu, Kim Wallin
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A004, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-86188
https://doi.org/10.1115/PVP2022-86188
View Paper titled, A Review of Constraint Effects on Fracture Toughness for Structural Integrity Assessment in Fitness-for-Service Codes
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Topics: Ductile-brittle transition, Fitness-for-service, Fracture toughness
Proceedings Papers

Discussion of Non-Equilibrium Heat Transfer in Biological Systems

Lisa X. Xu, Jing Liu
Proc. ASME. IMECE98, Advances in Heat and Mass Transfer in Biotechnology, 13-17, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0788
https://doi.org/10.1115/IMECE1998-0788
View Paper titled, Discussion of Non-Equilibrium Heat Transfer in Biological Systems
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Topics: Equilibrium (Physics), Heat transfer, Waves, Heat conduction, Porous materials, Heat, Pressure gradient, Water
Proceedings Papers

Temperature Distribution in Prostate During Transurethral Radio Frequency Thermotherapy Treatment of Benign Prostatic Hyperplasia

Liang Zhu, Zhengxin Mi, Lisa X. Xu
Proc. ASME. IMECE98, Advances in Heat and Mass Transfer in Biotechnology, 117-122, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0806
https://doi.org/10.1115/IMECE1998-0806
View Paper titled, Temperature Distribution in Prostate During Transurethral Radio Frequency Thermotherapy Treatment of Benign Prostatic Hyperplasia
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Topics: Absorption, Bioheat transfer, Biological tissues, Blood, Catheters, Electrodes, Heat, Heating, Patient treatment, Phantoms
Proceedings Papers

Preliminary Study of Vascular Endothelial Ca 2+ Response to Elevated Temperature

Aaron Schen, Baoguo Chen, Lisa X. Xu
Proc. ASME. IMECE2001, Advances in Heat and Mass Transfer in Biotechnology, 75-78, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24424
https://doi.org/10.1115/IMECE2001/HTD-24424
View Paper titled, Preliminary Study of Vascular Endothelial Ca 2+ Response to Elevated Temperature
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Topics: Temperature, Endothelial cells, Biological tissues, Blood flow, Dynamic response, Elevations (Drawings), Fluorescence, Imaging, Calibration, Cell membranes
Proceedings Papers

Measurement of Specific Heat of Biological Tissue Using IR Imaging and Spectroscopy

Joshua C. Abel, S. S. Krishnan, Lisa X. Xu, Jay P. Gore
Proc. ASME. IMECE2001, Advances in Heat and Mass Transfer in Biotechnology, 55-57, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24421
https://doi.org/10.1115/IMECE2001/HTD-24421
View Paper titled, Measurement of Specific Heat of Biological Tissue Using IR Imaging and Spectroscopy
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Topics: Biological tissues, Infrared imaging, Specific heat, Spectroscopy, Temperature, Calibration, Calorimetry, Design, Heat capacity, Infrared spectroscopy
Proceedings Papers

Preliminary Study of Vascular Endothelial Ca 2+ Response to Elevated Temperature

Aaron Schen, Lisa X. Xu
Proc. ASME. IMECE2000, Advances in Bioengineering, 5-6, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2487
https://doi.org/10.1115/IMECE2000-2487
View Paper titled, Preliminary Study of Vascular Endothelial Ca 2+ Response to Elevated Temperature
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Topics: Biological tissues, Endothelial cells, Flow (Dynamics), Muscle, Proteins, Temperature, Vessels
Proceedings Papers

Measurement of the Optical Properties of Muscle Tissue In Vivo

P. L. Kopsombut, D. Willis, A. E. Schen, L. X. Xu, X. Xu
Proc. ASME. IMECE2000, Advances in Heat and Mass Transfer in Biotechnology, 5-7, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2214
https://doi.org/10.1115/IMECE2000-2214
View Paper titled, Measurement of the Optical Properties of Muscle Tissue In Vivo
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Topics: Biological tissues, Muscle, Lasers, Biomedicine, Blood, Electromagnetic scattering, Nitrogen, Radiation scattering, Scattering (Physics), Transport theory
Proceedings Papers

Thermal and Thermomechanical Phenomena During Ultrafast Laser Interaction With Tissue

Xinwei Wang, Xianfan Xu, Lisa X. Xu
Proc. ASME. IMECE2000, Advances in Heat and Mass Transfer in Biotechnology, 9-11, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2215
https://doi.org/10.1115/IMECE2000-2215
View Paper titled, Thermal and Thermomechanical Phenomena During Ultrafast Laser Interaction With Tissue
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Topics: Biological tissues, Lasers, Thermomechanics, Absorption, Laser ablation, Damage, Dielectric materials, Evaporation, High temperature, Irradiation (Radiation exposure)
Proceedings Papers

Theoretical and Experimental Studies of Local Tissue Temperature Oscillation Under Hyperthermic Conditions Using Preserved Pig Kidney

Cuiye Chen, Lisa X. Xu
Proc. ASME. IMECE2000, Advances in Heat and Mass Transfer in Biotechnology, 83-88, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2226
https://doi.org/10.1115/IMECE2000-2226
View Paper titled, Theoretical and Experimental Studies of Local Tissue Temperature Oscillation Under Hyperthermic Conditions Using Preserved Pig Kidney
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Topics: Biological tissues, Kidney, Oscillations, Temperature, Heating, Transients (Dynamics), Bioheat transfer, Blood, Heat, Heat transfer
Journal Articles

Numerical Study of Bubble Cloud and Thermal Lesion Evolution During Acoustic Droplet Vaporization Enhanced HIFU Treatment

Ying Xin, Aili Zhang, Lisa X. Xu, J. Brian Fowlkes
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. March 2022, 144(3): 031007.
Paper No: BIO-21-1216
https://doi.org/10.1115/1.4052374
Published Online: October 13, 2021
View Article titled, Numerical Study of Bubble Cloud and Thermal Lesion Evolution During Acoustic Droplet Vaporization Enhanced HIFU Treatment
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Topics: Bubbles, Drops, Waves, Acoustics, Temperature, Ultrasound, Phantoms, Diffusion (Physics)
Proceedings Papers

Review of Technical Basis for ASME Code Section XI Appendix L

Deepak S. Somasundaram, Dilip Dedhia, Do Jun Shim, Gary L. Stevens, Steven X. Xu
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A003, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21690
https://doi.org/10.1115/PVP2020-21690
View Paper titled, Review of Technical Basis for ASME Code Section XI Appendix L
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Topics: ASME Standards, Fatigue, Fracture mechanics