Accelerated high-intensity ultrasound simulations

Ahmed Sallam; Shima Shahab

doi:10.1117/12.2658737

28 April 2023 Accelerated high-intensity ultrasound simulations

Ahmed Sallam, Shima Shahab

Proceedings Volume PC12483, Active and Passive Smart Structures and Integrated Systems XVII; PC124830E (2023) https://doi.org/10.1117/12.2658737
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

Abstract

Focused ultrasound (FU) is an emerging non-invasive and non-ionizing therapeutic technology that has the potential to treat a variety of medical conditions. FU can heat up, destroy, or change target tissue while minimizing damage to tissue outside the target area by precisely focusing on ultrasonic beams. Understanding and characterizing high-intensity FU is essential for planning and administering therapeutic procedures safely. Modeling nonlinear ultrasound is a computationally demanding problem. The complex diffraction structure requires the use of accurate diffraction models and a fine spatial numerical grid. In this work, we will propose an accelerated and more efficient strategy in which the nonlinearity in the simulation is monitored, and a corresponding increase in the resolution required to resolve higher harmonics is actively implemented.

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Citation Download Citation

Ahmed Sallam and Shima Shahab "Accelerated high-intensity ultrasound simulations", Proc. SPIE PC12483, Active and Passive Smart Structures and Integrated Systems XVII, PC124830E (28 April 2023); https://doi.org/10.1117/12.2658737

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KEYWORDS

Ultrasonography

Computer simulations

Diffraction

Tissues

Numerical analysis

Spatial resolution

Tumors

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