Sculpting Linear and Nonlinear Elastic Waves: Exploring Inverse Design Potentials — iNCMDAO 2024 Conference Paper (IISc Bangalore)

This is a rare honor for a research scholar, as the main-hall sessions are typically reserved for invited talks and select contributed papers. The session featured the <b>closing keynote slot</b> on the final day of the conference.</p><p dir="ltr">The presentation was attended by leading international researchers, including:</p><ul><li><b>Prof. Kalyanmoy Deb</b> (Michigan State University)</li><li><b>Prof.

Sankaran Mahadevan</b> (Vanderbilt University)</li><li><b>Prof. Gil Ho Yoon</b> (Hanyang University)</li><li><b>Prof. Wei Chen</b> (Northwestern University)</li><li><b>Prof.

Faez Ahmed</b> (MIT)</li><li><b>Prof. Krishnan Suresh</b> (University of Wisconsin, Madison)</li><li><b>Prof. Ole Sigmund</b> (Denmark Technical University)</li><li><b>Prof.

Prabhat Hajela</b> (Rensselaer Polytechnic Institute)</li><li><b>Prof. Roger A. Sauer</b> (Ruhr-Universität Bochum)</li><li><b>Prof. Mathias Huesing</b> (RWTH-Aachen)</li></ul><p dir="ltr">The talk generated discussion and questions from senior researchers in the optimization and metamaterials communities.</p><p dir="ltr"><b>Key Contributions:</b></p><ul><li>Time-domain inverse design framework for linear and nonlinear elastic wave sculpting</li><li>Level-set shape optimization for simultaneous layer-width and multi-material stacking design</li><li>Finite-length periodic arrays under realistic boundary conditions (no infinite-periodic idealization)</li><li>Gradient-free optimization (Nelder-Mead)</li><li>Multifunctional, direction-dependent, mode-independent wave manipulation</li></ul><p dir="ltr"><b>Conference Details:</b></p><ul><li><b>Conference:</b> 1st International and 7th National Conference on Multidisciplinary Design, Analysis, and Optimization (iNCMDAO 2024)</li><li><b>Organizers:</b> Indian Institute of Science (IISc), Bengaluru and Aeronautical Society of India (AeSI)</li><li><b>Venue:</b> J. N. Tata Auditorium, IISc Bangalore</li><li><b>Dates:</b> December 16–18, 2024</li><li><b>Conference website:</b> <a href="incmdao2024.iisc.ac.in/" target="_blank" rel="noreferrer">incmdao2024.iisc.ac.in</a></li></ul><p dir="ltr"><b>Research portfolio:</b> <a href="sites.google.com/view/pravinkumarghodake/research" target="_blank" rel="noreferrer">sites.google.com/view/pravinkumarghodake/research</a></p><p dir="ltr"><b>Presentation Documentation:</b> A photograph of the author presenting this paper is included here, showing the presentation slide with the paper title, author name, and affiliation.

The presentation was delivered in the main hall of the J. N. Tata Auditorium, IISc Bangalore, on 18 December 2024, in Session S4 T1 (Topology Optimization). <a href="doi.org/10.6084/m9.figshare.34037976" target="_blank" rel="noreferrer"><u>doi.org/10.6084/m9.figshare.34037976</u></a></p><p dir="ltr"><b>Keywords:</b> inverse design, elastic wave manipulation, level-set shape optimization, multi-material metamaterials, gradient-free optimization, wave sculpting, iNCMDAO 2024, IISc Bangalore</p>