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DTSTART;TZID=Asia/Kolkata:20230614T153000
DTEND;TZID=Asia/Kolkata:20230614T170000
DTSTAMP:20260422T052250
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LAST-MODIFIED:20250806T120122Z
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SUMMARY:Mathematical Discourse by Dr Narravula Harshvardhan Reddy
DESCRIPTION:The Department of Mathematics at SRM University-AP is organising an engaging Guest Lecture on June 14\, 2023. Dr Narravula Harshavardhan Reddy will speak on Finite Element Techniques for Thin-shell Deployable Space Structures. \n  \n  \nAbstract \nPart 1: Rotation-free finite element analysis \nWhile the majority of analytical analyses of plates and shells rely on Kirchhoff-Love (KL) formulations put forth for thin plates and shells\, modern finite element formulations draw upon the Reissner-Mindlin (RM) theory for moderately thick shells. The finite element formulations based on RM theory treat translations and rotations as independent variables and are advantageous due to their demand for only C0-continuity of the geometry between elements and the use of relatively simple shape functions. Nonetheless\, RM elements suffer from various locking phenomena such as shear locking and are inefficient in analysing very thin shells. With the emergence of stronger materials like carbon fibre-reinforced composites and the realisation of lightweight structures with extremely small thicknesses\, KL finite element formulations utilising only translations as the degrees of freedom are gaining prominence. This talk discusses two such rotation-free finite element formulations: Onate’s EBST [1] and NURBS-based isogeometric analysis [2] for thin-shell structures. \nPart 2: h-adaptive finite element analysis \nThin-shell deployable structures\, including booms and longerons\, undergo complex deformations such as localised folding and buckling\, and snap-through instabilities. These deformations are often accompanied by moving contact surfaces. Nonlinear Finite element analysis of such behaviours requires highly dense meshes in the regions of interest. Since most of the deployable structures such as booms are very long in one dimension compared to the others\, mesh density must be high throughout the domain of the analysis leading to a high computation cost.The computation cost can be reduced by adapting the mesh to the deformation throughout the geometrically nonlinear analysis. This talk focuses on h-adaptive mesh refinement for thin-shell deployable structures. \nAbout the Speaker \nDr Narravula Harshavardhan Reddy is a resourceful Mathematician and researcher\, who has made significant contributions to the understanding and application of mathematical principles in various domains. His impressive academic foundations in Mechanical Engineering from IIT\, Guwahati and Masters and PhD in Aeronautical Sciences from California Institute of Technology\, Pasadena\, CA backed with his extensive experience of about a decade in the realm is truly inspiring. He has 10 noteworthy publications and 4 distinguished talks to his credit. \nJoin the engaging discourse with Dr Reddy and members of the faculty !
URL:https://events.srmap.edu.in/event/mathematical-discourse-by-dr-narravula-harshvardhan-reddy/
LOCATION:Tiered Classroom\, Level 5\, Vikram Sarabhai Block
CATEGORIES:Departmental Events,Events,Math Events
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DTSTART;TZID=Asia/Kolkata:20230626T080000
DTEND;TZID=Asia/Kolkata:20230715T170000
DTSTAMP:20260422T052250
CREATED:20230509T051000Z
LAST-MODIFIED:20250728T050828Z
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SUMMARY:AIS School on p-adic Methods in Arithmetic
DESCRIPTION:The Department of Mathematics of SRM University-AP\, in collaboration with the National Centre for Mathematics\, is organising an AIS school on p-adic methods in Arithmetic from June 26 to July 15 at the university. Prof. C S Rajan of Ashoka University and Assistant Professors Dr Manish Kumar Pandey and Dr Sazzad Ali Biswas of the Department of Mathematics at SRM University-AP are the convenors of the three-week long programme. \nThe prime focus of the AIS being held at the campus is to study the p-adic numbers and the p-adic methods in arithmetic. Topics covered in the first ten days include absolutes values on fields\, completeness\, construction of the field Q_p of p-adic numbers\, p-adic algebraic number theory\, and the Local-Global Principle. There are also topics from the basic Algebraic Number Theory (e.g.\, Class groups\, Local Fields\, Number Fields\, Cyclotomic fields etc.). In the last eight days of the programme\, the construction of the p-adic zeta function\, Modular Forms\, Iwasawa’s construction of P-adic L-functions and the main conjecture of Iwasawa Theory\, applications of p-adic numbers\, and open problems will be discussed. \nNational Centre for Mathematics is a joint centre of IIT Bombay and TIFR\, Mumbai. The purpose of AIS schools is to provide training in core subjects in Mathematics to PhD students\, young researchers\, and teachers. The emphasis in these schools is on learning mathematics by doing it. IIT Bombay and TIFR jointly established the National Centre for Mathematics (NCM) in 2011. The instructional schools and workshops planned by an NBHM committee on ATM Schools are now being organised under the supervision of the Apex Committee of the NCM. The objective is to organise quality schools that help researchers and teachers and enjoyably learn advanced mathematics. \n Download the flyer here!
URL:https://events.srmap.edu.in/event/ais-school-on-p-adic-methods-in-arithmetic/
CATEGORIES:Conferences,Departmental Events,Math Events
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