Course content
This is one-of-its-kind industry oriented short term course
that offers unique experience of both the field of Product
design and Innovation, FEM and CFD that covers broad range
of topics on FEM and CFD. The main topics of the course
would be:
Product innovation: What is innovation, stages of
innovation process, Intellectual property rights (IPR),
Patents, trademarks, designs, copyright, trade secrets,
domain names, patent issues, patent writing techniques,
patent case studies, effect of product innovation,
Innovations and market failure, Firms competition through
innovations, History of breakthrough innovations, society
needs, Innovation for survival, Innovations in Indian context.
Product design, Idea visualization techniques and
Manufacturing processes: Computer aided design, Solid
modelling, Identifying customer needs, Product architecture,
2D and 3D CAD systems, Production processes and factors
which influence design decisions, Use of CAE tools, 3D CAD
generation techniques using reverse engineering,
manufacturing processes, additive manufacturing with 3D
printer, Failure analysis.
Introduction and application: Use of CAE (CFD and FEM)
in various engineering fields, design and failure analysis
using CAE etc.
Basic theory of CFD and FEM: Governing differential
equations, discretisation techniques- Finite volume method,
stability of solutions, Finite element discretization
techniques, Meshing techniques, weak form, Rayleigh Ritz
method, modelling of , Introduction to turbulence, concept
of boundary layer, scaling laws.
Complex geometry handling: feature curves, surface
organization, free edges, boundary surfaces, other
pre-processing techniques.
1-D Meshing: Introduction to meshing, when to use 1-D
meshing, meshing in critical areas, element section, beam
element, rigid elements, fasteners, problems based on 1-D
FEM and comparison with exact theory.
2-D Meshing: When to use 2D simulations, techniques for
2D FEM, CFD simulation, mid-surface, different types of
element and their displacement function, Family of 2-D
elements: plane stress, plan strain, plate, membrane, thin
shell etc., effect of mesh density, effect of biasing in
critical region, boundary conditions, how not to mesh,
shrink wrap meshing, effect of mesh size on results (in FEM
and CFD), problems based on 2D FEM and CFD and comparison
with exact theory.
3-D Meshing: When to use 3D FEM and CFD simulations,
boundary layer mesh generation, elements types, DoF for
solid elements, brick meshing, prism layer, how not to mesh,
effect of mesh size on results (in FEM and CFD)
Mesh Quality and Checks: Compatibility and mechanisms,
shells to solids, beam to solids etc, General element
quality checks: skewness, aspect ratio, warpage, jacobian;
2-D quality checks, quality checks for tetra meshing, brick
mesh quality checks, quality checks for CFD mesh, grid
independence study
Linear Static and Dynamic Analysis: Stiffness matrix,
stress and strain calculations, FEM model for linear
analysis, design problems based on linear analysis, Theory
of dynamic analysis: forced and free vibration, mode shapes,
harmonic analysis, design techniques for avoiding resonance,
modeling stress concentration.
Thermal Analysis: Conjugate heat transfer, meshing
techniques, mesh refinement in critical region, Fluid and
solid volume extraction techniques, Boundary layer mesh
generation techniques, CFD results with and without boundary
layer mesh.
Dynamic Analysis: Fundamental theory, NVH, structure
design based on vibration analysis - dynamic and frequency
response function (FRF), mode shape extraction, design for
avoiding resonance etc.
Design Optimization: Optimization based on structural
stiffness, based on minimizing mass with constraints:
thickness constraint, frequency constraint, effect of
gravity loads, displacement constraints etc.
Real to Virtual: Reverse engineering techniques,
creating 3D CAD designs from 2D still images of real
objects, Image processing techniques: aligning image,
building cloud points, mesh and texturing, post-processing
techniques for generating FEM/CFD models.
FVM vs. FEM: Which gives better result: Finite volume
method or Finite element method? Solving standard problems
with both FVM and FEM based codes, linear static and fluid
flow problems etc.
Special topics: to be included if requested by the
participants in advance.
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