Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Pratik Sarker"'
Autor:
Pratik Sarker, Uttam K. . Chakravarty
Publikováno v:
Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology.
The use of rotating beam-like structures is very common in engineering systems including power generation machines, automotive systems, aircraft structures, energy harvesting systems, and many more. The dynamic response analysis of these systems is o
Publikováno v:
Volume 9: Mechanics of Solids, Structures, and Fluids; Micro- and Nano-Systems Engineering and Packaging; Safety Engineering, Risk, and Reliability Analysis; Research Posters.
Naturally available materials are inadequate in many advanced applications, including space. Therefore, functional materials answer the requirement of operation-specific customized characteristics. Soft matter-based metamaterials exhibit various desi
Autor:
Pratik Sarker, Uttam K. Chakravarty
Publikováno v:
Mathematics and Computers in Simulation. 170:115-142
Beam vibrations are encountered in real life and are important to investigate for proper monitoring of the structural health. Closed-form solutions to one-dimensional beam vibration problems are not always available, especially, if the governing equa
Autor:
Pratik Sarker, Uttam K. Chakravarty
Publikováno v:
Volume 4: Advances in Aerospace Technology.
The dielectric elastomer material is a category of electroactive polymers which produces large deformation under applied voltage. This property made them much promising as smart materials that can rapidly adapt to changes in environmental conditions
Autor:
Uttam K. Chakravarty, Pratik Sarker
Publikováno v:
Aerospace Science and Technology. 115:106741
The intense nature of the aerodynamic environment surrounding a helicopter can cause excessive deflection of the rotor blades. Therefore, proper prediction of the aerodynamic loading and the blade deflection are necessary for monitoring the blade hea
Autor:
Pratik Sarker, Uttam K. Chakravarty
Publikováno v:
Volume 1: Advances in Aerospace Technology.
The helicopter is an essential means of transport for numerous tasks including carrying passengers and equipment, providing air medical services, firefighting, and other military and civil tasks. While in operation, the nature of the unsteady aerodyn
Publikováno v:
Volume 1: Advances in Aerospace Technology.
Dielectric elastomer membranes are a category of electroactive polymers composed of a thin elastomer film sandwiched between two compliant electrodes. An electrostatic pressure is created when there is an externally applied voltage on the electrodes
Publikováno v:
AIP Conference Proceedings.
In this study, a hybrid energy harvesting device is presented whichsimultaneously harvests energy from solar radiation and mechanical vibration using the photovoltaic, piezoelectric, and electromagnetic mechanisms. The device consists of a bimorph pi
Publikováno v:
Volume 1: Advances in Aerospace Technology.
Active vibration control is a widely implemented method for helicopter vibration control. Due to the significant progress in the microelectronics, this technique outperforms the traditional passive control technique due to the weight penalty and lack
Publikováno v:
Volume 1: Advances in Aerospace Technology.
The helicopter is an essential and unique means of transport nowadays and needs to hover in space for considerable amount of time. During hovering flight, the rotor blades continuously bend and twist causing an increased vibration level that affects