Ranjan Bhattacharyya

Indian Institute of Technology Kharagpur

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About

Ranjan Bhattacharyya is a researcher whose work bridges structural dynamics, nonlinear mechanics, and smart actuator systems. His primary research areas include rotor dynamics, bond graph modeling, and the nonlinear behavior of dielectric actuators. A key contribution is his pioneering bond graph modeling of an internally damped nonideal flexible spinning shaft (2010, 29 citations), where he demonstrated that considering the drive source loading can entrain rotor spin at the stability threshold, preventing instability—a critical insight for high-speed rotating machinery design. This work addresses the longstanding challenge of nonconservative circulatory forces in rotor systems. More recently, Bhattacharyya has advanced the understanding of dielectric actuators by exploring electrode mechanics and their nonlinear dynamics (2024, 9 citations), contributing to the development of soft robotics and adaptive structures. His research integrates theoretical modeling with practical implications for mechanical and aerospace engineering. Bhattacharyya’s work is notable for its rigorous analytical approach and its impact on both fundamental mechanics and applied system design, making him a valuable contributor to the fields of nonlinear dynamics and smart materials.