FINITE ELEMENT METHODWeek 6: Finite element formulation for plane trusses and frames computer...

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FINITE ELEMENT METHOD TYPE OF COURSE : New | Elective | PG COURSE DURATION : 12 Weeks (18 Jan' 21 - 09 Apr' 21) EXAM DATE : 25 Apr 2021 TYPE OF COURSE : New | Elective | PG COURSE DURATION : 12 Weeks (18 Jan' 21 - 09 Apr' 21) EXAM DATE : 25 Apr 2021 PROF. BISWANATH BANERJEE Department of Civil Engineering Department of Civil Engineering IIT Kharagpur IIT Kharagpur PRE-REQUISITES : Solid Mechanics/Numerical methods in Engineering INTENDED AUDIENCE : BE/B.Tech (Elective), M.Tech, PhD INDUSTRIES APPLICABLE TO : Civil/Mechanical/Aerospace/Ocean and naval Architecture COURSE OUTLINE : This is an introductory level course on Finite Element Method. After attending the course, the students will be able to comprehend FEM as a numerical technique to solve partial differential equations representing various physical phenomena in structural engineering. The proposed course also provides a hands-on training on translating FEM formulation into computational code in MATLAB. ABOUT INSTRUCTOR : Prof. Biswanath Banerjee is presently an Associate Professor in the Department of Civil Engineering, IIT Kharagpur. He obtained his Bachelors degree in Construction Engineering from Jadavpur University in 2000, MTech in Structures from IIT Kharagpur in 2004 and PhD in Computational Mechanics from IISc Bangalore in 2009. Prior to joining IIT Kharagpur, Professor Banerjee spent two years as Post-doctoral Research Fellow in Cornell University, USA. He has also spent for some time in industries like Gammon India Limited, TRF Limited (A Tata enterprise) and Research labs in SERC Chennai (A CSIR Unit) as a Scientist.Professor Banerjees research area is in the field of Computational Mechanics and Reverse Engineering Problems. Prof. Amit Shaw is presently an Associate Professor in the Department of Civil Engineering, IIT Kharagpur. He obtained his Bachelors degree in Civil Engineering from IIEST Shibur (formerly Bengal Engineering College Shibpur) in 2000, MTech in Structures from IIT Roorkee in 2003 and PhD in Computational Mechanics from IISc Bangalore in 2007. Prior to joining IIT Kharagpur, Professor Shaw spent two years as Research Fellow in University of Aberdeen, UK. He also worked for some time in industries like Gammon India Limited and L&T ECC. COURSE PLAN : Week 1: Introduction, Boundary value problems and solution methods, Direct approach-example, advantage and limitations Week 2: Elements of calculus of variation, Strong form and weak form, equivalence between strong and weak forms, Rayleigh-Ritz method Week 3: Method of weighted residuals-Galerkin and Petrov- Galerkin approach; Axially loaded bar, governing equations, discretization, derivation of element equation, assembly, imposition of boundary condition and solution, examples Week 4: Finite element formulation for Euler-Bernoulli beams Week 5: Finite element formulation for Timoshenko beams Week 6: Finite element formulation for plane trusses and frames computer implementation Week 7: Finite element formulation for two-dimensional problems - completeness and continuity, different elements (triangular, rectangular, quadrilateral etc.), shape functions, Gauss quadrature technique for numerical integration Week 8: Finite element formulation for two-dimensional scalar field problems; Iso-parametric formulation; Application to Heat conduction and torsion problems Week 9: Finite element formulation for two-dimensional problems in linear elasticity; Formulation Week 10: Finite element formulation for two-dimensional problems in linear elasticity; Examples and computer implementation Week 11: Implementation issues, locking, reduced integration, B-Bar method Week 12: Finite element formulation for three-dimensional problems; Different elements, shape functions, Gauss quadrature in three dimension, examples PROF. AMIT SHAW Department of Civil Engineering IIT Kharagpur

Transcript of FINITE ELEMENT METHODWeek 6: Finite element formulation for plane trusses and frames computer...

Page 1: FINITE ELEMENT METHODWeek 6: Finite element formulation for plane trusses and frames computer implementation Week 7: Finite element formulation for two-dimensional problems - completeness

FINITE ELEMENT METHOD

TYPE OF COURSE : New | Elective | PGCOURSE DURATION : 12 Weeks (18 Jan' 21 - 09 Apr' 21)EXAM DATE : 25 Apr 2021

TYPE OF COURSE : New | Elective | PGCOURSE DURATION : 12 Weeks (18 Jan' 21 - 09 Apr' 21)EXAM DATE : 25 Apr 2021

PROF. BISWANATH BANERJEEDepartment of Civil EngineeringDepartment of Civil EngineeringIIT KharagpurIIT Kharagpur

PRE-REQUISITES : Solid Mechanics/Numerical methods in Engineering

INTENDED AUDIENCE : BE/B.Tech (Elective), M.Tech, PhDINDUSTRIES APPLICABLE TO : Civil/Mechanical/Aerospace/Ocean and naval Architecture

COURSE OUTLINE : This is an introductory level course on Finite Element Method. After attending the course, the studentswill be able to comprehend FEM as a numerical technique to solve partial differential equationsrepresenting various physical phenomena in structural engineering. The proposed course also providesa hands-on training on translating FEM formulation into computational code in MATLAB.

ABOUT INSTRUCTOR : Prof. Biswanath Banerjee is presently an Associate Professor in the Department of Civil Engineering, IIT Kharagpur. He obtained his Bachelors degree in Construction Engineering from Jadavpur University in 2000, MTech in Structures from IIT Kharagpur in 2004 and PhD in Computational Mechanics from IISc Bangalore in 2009. Prior to joining IIT Kharagpur, Professor Banerjee spent two years as Post-doctoral Research Fellow in Cornell University, USA. He has also spent for some time in industries like Gammon India Limited, TRF Limited (A Tata enterprise) and Research labs in SERC Chennai (A CSIR Unit) as a Scientist.Professor Banerjees research area is in the field of Computational Mechanics and Reverse Engineering Problems.

Prof. Amit Shaw is presently an Associate Professor in the Department of Civil Engineering, IITKharagpur. He obtained his Bachelors degree in Civil Engineering from IIEST Shibur (formerly BengalEngineering College Shibpur) in 2000, MTech in Structures from IIT Roorkee in 2003 and PhD inComputational Mechanics from IISc Bangalore in 2007. Prior to joining IIT Kharagpur, Professor Shaw spent two years as Research Fellow in University of Aberdeen, UK. He also worked for some time in industries like Gammon India Limited and L&T ECC.

COURSE PLAN :

Week 1: Introduction, Boundary value problems and solution methods, Direct approach-example,advantage and limitations

Week 2: Elements of calculus of variation, Strong form and weak form, equivalence between strong andweak forms, Rayleigh-Ritz method

Week 3: Method of weighted residuals-Galerkin and Petrov- Galerkin approach; Axially loaded bar,

governing equations, discretization, derivation of element equation, assembly, imposition ofboundary condition and solution, examples

Week 4: Finite element formulation for Euler-Bernoulli beams

Week 5: Finite element formulation for Timoshenko beams

Week 6: Finite element formulation for plane trusses and frames computer implementation

Week 7: Finite element formulation for two-dimensional problems - completeness and continuity,different elements (triangular, rectangular, quadrilateral etc.), shape functions, Gaussquadrature technique for numerical integration

Week 8: Finite element formulation for two-dimensional scalar field problems; Iso-parametricformulation; Application to Heat conduction and torsion problems

Week 9: Finite element formulation for two-dimensional problems in linear elasticity; Formulation

Week 10: Finite element formulation for two-dimensional problems in linear elasticity; Examples andcomputer implementation

Week 11: Implementation issues, locking, reduced integration, B-Bar method

Week 12: Finite element formulation for three-dimensional problems; Different elements, shapefunctions, Gauss quadrature in three dimension, examples

PROF. AMIT SHAWDepartment of Civil EngineeringIIT Kharagpur