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Finite Element Primer for Engineers: Part 3



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Finite Element Primer for Engineers Part 3 Mike Barton S D Rajan A A B B A D D B A C B C A A AB E D A G G G H D D D G E D D C E A C D C D A C C C A B C C C CB F F D B E E D C F D D C ED B B F F A A E F B A B B E H E F A C B F G A D E G B A B C A B A A B C Y H E E Z X Contents Introduction to the Finite Element Method FEM Steps in Using the FEM an Example from Solid Mechanics Examples Commercial FEM Software Competing Technologies Future Trends Internet Resources References 2000 Barton Rajan 2 Information Available from Various Types of FEM Analysis Static analysis Deflection Stresses Strains Forces Energies Dynamic analysis Frequencies Deflection mode shape Stresses Strains Forces Energies 2000 Barton Rajan Heat transfer analysis Temperature Heat fluxes Thermal gradients Heat flow from convection faces Fluid analysis Pressures Gas temperatures Convection coefficients Velocities 3 Example FEM Application Areas Automotive industry Aerospace industry Static analyses Static analyses Modal analyses Modal analyses Transient dynamics Aerodynamics Heat transfer Transient dynamics Mechanisms Heat transfer Fracture mechanics Fracture mechanics Metal forming Creep and plasticity analyses Crashworthiness Composite materials Aeroelasticity Architectural Metal forming Soil mechanics Crashworthiness Rock mechanics 2000 Barton Rajan Hydraulics Fracture mechanics Hydroelasticity 4 Variety of FEM Solutions is Wide and Growing Wider The FEM has been applied to a richly diverse array of scientific and technological problems The next few slides present some examples of the FEM applied to a variety of real world design and analysis problems 2000 Barton Rajan 5 This example shows an intravenous pump modeled using hexahedral elements 2000 Barton Rajan 6 Car tires require sophisticated analysis because of their complex geometry large deformations nonlinear material behavior and varying contact conditions Brick elements are used to represent the tread and steel bead while shell elements are



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