A new BEM for modeling and simulation of 3T MDD laser-generated ultrasound stress waves in FGA smart materials

Mohamed A. Fahmy1,2

1Jamoum University College, Umm Al-Qura University, Alshohdaa 25371, Jamoum, Makkah, Saudi Arabia.

2Faculty of Computers and Informatics, Suez Canal University, New Campus, 4.5 Km, Ring Road, El Salam District, 41522 Ismailia, Egypt.




The goal of this study is to present a new theory known as the three-temperature memory-dependent derivative (MDD) of ultrasound stress waves in functionally graded anisotropic (FGA) smart materials. It is extremely difficult to address the difficulties related to this theory analytically due to its severe nonlinearity. As a result, we suggest a new boundary element method (BEM) to solve such equations. The suggested BEM technique incorporates the benefits of both continuous and discrete descriptions. The numerical results are visually represented to demonstrate the impacts of MDD three temperatures and anisotropy on the ultrasound stress waves in FGA smart materials. The numerical findings verify the proposed methodology’s validity and accuracy. We may conclude that the offered results are useful for comprehending the FGA smart materials. As a result, our findings contribute to the advancement of the industrial applications of FGA smart materials.

Cite as:

Fahmy, M. A. (2021). A new BEM for modeling and simulation of 3T MDD laser-generated ultrasound stress waves in FGA smart materials. Computer Methods in Materials Science, 21(2), 95-104. https://doi.org/10.7494/cmms.2021.2.0739

Article (PDF):

Key words:

Boundary element method, Modeling and simulation, Three-temperature, Memory-dependent derivative, Laser ultrasonics, Nonlinear thermal stress waves, Functionally graded anisotropic, Smart materials


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