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Christoph Schaal
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Proceedings Papers

Guided Waves in Pipes Versus Lamb Waves in Plates - A Convergence Analysis

Fadhel Alsaffar, Lifu Wang, Ajit Mal, Christoph Schaal
Proc. ASME. QNDE2022, 2022 49th Annual Review of Progress in Quantitative Nondestructive Evaluation, V001T03A005, July 25–27, 2022
Paper No: QNDE2022-98270
https://doi.org/10.1115/QNDE2022-98270
View Paper titled, Guided Waves in Pipes Versus Lamb Waves in Plates - A Convergence Analysis
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Topics: Pipes, Plates (structures), Waves, Nondestructive evaluation, Wall thickness
Proceedings Papers

Features of Guided Waves Propagating in a Honeycomb Sandwich Structure

Lifu Wang, Leonardo Araque, Steffen Tai, Ajit Mal, Christoph Schaal
Proc. ASME. QNDE2021, 2021 48th Annual Review of Progress in Quantitative Nondestructive Evaluation, V001T06A005, July 28–30, 2021
Paper No: QNDE2021-75053
https://doi.org/10.1115/QNDE2021-75053
View Paper titled, Features of Guided Waves Propagating in a Honeycomb Sandwich Structure
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Topics: Honeycomb structures, Sandwich structures, Waves, Nondestructive evaluation, Materials properties, Aerospace industry
Proceedings Papers

High-Intensity Focused Ultrasound Scattering at Mammal Vertebrae

David Sanford, Christoph Schaal
Proc. ASME. IMECE2020, Volume 5: Biomedical and Biotechnology, V005T05A046, November 16–19, 2020
Paper No: IMECE2020-24676
https://doi.org/10.1115/IMECE2020-24676
View Paper titled, High-Intensity Focused Ultrasound Scattering at Mammal Vertebrae
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Topics: Electromagnetic scattering, Radiation scattering, Scattering (Physics), Ultrasound, Waves, Bone, Heat, Absorption, Biological tissues, Cavitation
Proceedings Papers

Investigation of the Scattering of Focused Ultrasonic Waves at Bones

Christoph Schaal, Vibhav Durgesh
Proc. ASME. IMECE2018, Volume 3: Biomedical and Biotechnology Engineering, V003T04A093, November 9–15, 2018
Paper No: IMECE2018-87133
https://doi.org/10.1115/IMECE2018-87133
View Paper titled, Investigation of the Scattering of Focused Ultrasonic Waves at Bones
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Topics: Bone, Electromagnetic scattering, Radiation scattering, Scattering (Physics), Ultrasonic waves, Ultrasound, Biological tissues, Computer simulation, Ablation (Vaporization technology), Cancer
Journal Articles

Core-Skin Disbond Detection in a Composite Sandwich Panel Using Guided Ultrasonic Waves

Christoph Schaal, Ajit Mal
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Article Type: Research-Article
ASME J Nondestructive Evaluation. February 2018, 1(1): 011006–011006-8.
Paper No: NDE-17-1034
https://doi.org/10.1115/1.4037544
Published Online: September 29, 2017
View Article titled, Core-Skin Disbond Detection in a Composite Sandwich Panel Using Guided Ultrasonic Waves
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Topics: Composite materials, Damage, Scattering (Physics), Skin, Ultrasonic waves, Waves, Signals, Honeycomb structures, Simulation
Proceedings Papers

Guided Waves in a Plate With a Delamination-Like Discontinuity

Christoph Schaal, Ajit Mal
Proc. ASME. IMECE2016, Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Diagnosis, and Prognosis, V009T17A008, November 11–17, 2016
Paper No: IMECE2016-68193
https://doi.org/10.1115/IMECE2016-68193
View Paper titled, Guided Waves in a Plate With a Delamination-Like Discontinuity
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Topics: Delamination, Waves, Nondestructive evaluation, Aerospace industry, Composite materials, Cross section (Physics), Design, Electromagnetic scattering, Experimental methods, Flow (Dynamics)