Zobrazeno 1 - 10 of 157 pro vyhledávání: '"Subramaniam Rajan"'
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Akademický článek
Verification and Validation of a Three-Dimensional Orthotropic Plasticity Constitutive Model Using a Unidirectional Composite
Autor: Canio Hoffarth, Bilal Khaled, Loukham Shyamsunder, Subramaniam Rajan, Robert Goldberg, Kelly S. Carney, Paul DuBois, Gunther Blankenhorn
Publikováno v: Fibers, Vol 5, Iss 1, p 12 (2017)
A three-dimensional constitutive model has been developed for modeling orthotropic composites subject to impact loads. It has three distinct components—a deformation model involving elastic and plastic deformations; a damage model; and a failure mo
Externí odkaz: https://doaj.org/article/083d004ac9a24d4bb593f0322b11b78c
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3
Improving failure sub-models in an orthotropic plasticity-based material model
Autor: Subramaniam Rajan, Loukham Shyamsunder, Bilal Khaled, Gunther Blankenhorn
Publikováno v: Journal of Composite Materials. 55:2025-2042
Theoretical details of two failure criteria implemented in an orthotropic plasticity model are presented. Improvements to the well-known Puck Failure criterion and a recently developed Generalized Tabulated Failure criterion are used to illustrate ho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1ce4309127b09e1295db24309d07ba8
https://doi.org/10.1177/0021998320982651
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4
Implementing deformation, damage, and failure in an orthotropic plastic material model
Autor: Subramaniam Rajan, Kelly S. Carney, Robert K. Goldberg, Paul DuBois, Gunther Blankenhorn, Loukham Shyamsunder, Bilal Khaled
Publikováno v: Journal of Composite Materials. 54:463-484
Theoretical and implementation details of an orthotropic plasticity model are presented. The model is comprised of three sub-models dealing with elastic and inelastic deformations, damage, and failure. The input to the three sub-models involves tabul
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c8a72a10494d7a5360c33b822b01d76a
https://doi.org/10.1177/0021998319865006
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Enhancing the predictive capabilities of a composite plasticity model using cohesive zone modeling
Autor: Subramaniam Rajan, Loukham Shyamsunder, Gunther Blankenhorn, Bilal Khaled, Nathan Holt, Christian G. Hoover
Publikováno v: Composites Part A: Applied Science and Manufacturing. 121:1-17
One of the challenges in building a predictive numerical model for laminated composites is the ability to accurately model delamination. In this paper, a modular orthotropic plasticity model that is made of three sub-models – deformation, damage an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6063fafd79fafa25a0b8b5c6a13ba2c7
https://doi.org/10.1016/j.compositesa.2019.03.001
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8
Estimation of three-dimensional water column sound speed profiles and sediment compressional wave speed and density profiles using a distributed network of buoys
Autor: Subramaniam Rajan, George V. Frisk
Publikováno v: The Journal of the Acoustical Society of America. 147(3)
Broadband data acquired during the Modal Mapping Experiment (MOMAX) V experiment are used to invert simultaneously for the three-dimensional (3D) water column sound speed profiles and the compressional wave speed and density profiles of the seabed in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f383d721fa5e68dd51a8104f0c669ce5
https://pubmed.ncbi.nlm.nih.gov/32237839
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9
Numerical validation of composite panel impact tests
Autor: J. Michael Pereira, Paul DuBois, Gunther Blankenhorn, Subramaniam Rajan, Bilal Khaled, Loukham Shyamsunder
Publikováno v: International Journal of Impact Engineering. 159:104032
Researchers have met the challenge of modeling impact events involving composite targets for a variety of applications in a variety of ways. In this paper, the theory and implementation details of an orthotropic visco-elastic-visco-plastic material m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3554a64621f72336d9f570fdd5eef121
https://doi.org/10.1016/j.ijimpeng.2021.104032
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10
Damage characterization of composites to support an orthotropic plasticity material model
Autor: Canio Hoffarth, Bilal Khaled, Kelly S. Carney, Robert K Goldberg, Paul DuBois, Gunther Blankenhorn, Loukham Shyamsunder, Subramaniam Rajan
Publikováno v: Journal of Composite Materials. 53:941-967
The focus of this paper is the development of test procedures to characterize the damage-related behavior of a unidirectional composite at room temperature and quasi-static loading conditions and use the resulting data in the damage sub-model of a ne
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ab3e36af8df1cf90e3763d0d7c884896
https://doi.org/10.1177/0021998318793506
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