Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Uttam K. . Chakravarty"'
Publikováno v:
AIAA Journal. 60:3194-3205
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::726bc2950b535889063664e864338b19
https://doi.org/10.2514/1.j060997
https://doi.org/10.2514/1.j060997
Autor:
Gazi Abu Raihan, Uttam K. Chakravarty
Publikováno v:
Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology.
In this study, a computational fluid dynamics (CFD) model is developed to investigate the thermal-mechanical process in additive friction stir deposition (AFSD), a novel additive manufacturing (AM) process allowing site-specific deposition. Material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::064b5a49141811fff3a8e39e212b1bc1
https://doi.org/10.1115/imece2022-94717
https://doi.org/10.1115/imece2022-94717
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::952799dfe0019a500b3eee3965d80489
https://doi.org/10.1115/imece2022-95186
https://doi.org/10.1115/imece2022-95186
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f09d89bf5436749f93a23aed0aea9e1
https://doi.org/10.1115/imece2022-94719
https://doi.org/10.1115/imece2022-94719
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.
Dielectric elastomer membrane(s) are smart material(s) that produce large actuation strains. They are also a class of electroactive polymers that function as actuators and sensors to convert and sense electrical signals to mechanical deformation and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5402d2d7c8639b770370ab08e14e1733
https://doi.org/10.1115/imece2022-94540
https://doi.org/10.1115/imece2022-94540
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1c6a0472fca9513fcca1a6341dc780b
https://doi.org/10.1016/j.matcom.2019.10.011
https://doi.org/10.1016/j.matcom.2019.10.011
Publikováno v:
Volume 4: Advances in Aerospace Technology.
The purpose of this study is to investigate the thermal and mechanical properties of L-PBF processed specimens at room and elevated temperatures while varying the loading conditions. The study covers finite element (FE) modeling of the tensile and fa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5959f848ad955d652e8f10ace2d1c79a
https://doi.org/10.1115/imece2021-72043
https://doi.org/10.1115/imece2021-72043
Publikováno v:
Volume 4: Advances in Aerospace Technology.
This paper presents a supervised machine learning (ML) model to predict the melt-pool geometries of Ti-6Al-4V alloy in the laser powder-bed fusion (L-PBF) process. The ML model is developed based on the normalized values of the five key features (i.e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54737ec9b231cc89167daacaba4e55d5
https://doi.org/10.1115/imece2021-71348
https://doi.org/10.1115/imece2021-71348
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48ada2da77e5eb187166c4bcbd8471b0
https://doi.org/10.1115/imece2021-70077
https://doi.org/10.1115/imece2021-70077
Publikováno v:
Volume 4: Advances in Aerospace Technology.
Vortices are present in many engineering applications and are systematically generated by lifting surfaces. The vortex characteristics and the wake surrounding a helicopter rotor blade play an important role because they affect the flow physics surro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8db2eda6c4c0b4bfd67fa810892416f2
https://doi.org/10.1115/imece2021-70777
https://doi.org/10.1115/imece2021-70777