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Adaptive Meshing and Solution Convergence for Industrial FEA

30 Chapters
View Course Samples Online
01
Industrial FEA workflow
role of mesh design, discretization error, and convergence criteria in product validation.
IndustrialFEA
02
Finite element error sources
discretization, idealization, and numerical error; distinguishing mesh-induced error from modeling error.
discretizationidealization
03
Mesh quality metrics for industrial models
aspect ratio, skewness, Jacobian, warpage, and their impact on solver robustness.
industrialskewness
04
Element type selection
linear vs quadratic tetrahedra, hexahedra, shells, and beams for stress, modal, and thermal analyses.
selectionquadratic
05
Global vs local mesh refinement
h-refinement, p-refinement, r-refinement, and hp-adaptivity in commercial FEA codes.
refinementh-refinement
06
A priori and a posteriori error estimators
residual-based, recovery-based (ZZ), and goal-oriented error estimation.
posterioriestimators
07
Convergence monitoring
residual norms, displacement, strain energy, and user-defined quantities of interest.
Convergencemonitoring
08
Adaptive mesh refinement loops
solve, estimate, mark, refine; convergence tolerances and stopping criteria.
Adaptiverefinement
09
Mesh convergence studies
manual refinement strategies, Richardson extrapolation, and Grid Convergence Index (GCI).
convergencerefinement
10
CAD cleanup and defeaturing for meshing
preparing industrial geometry for robust adaptive workflows.
CADdefeaturing
11
Meshing complex assemblies
contact interfaces, bolted joints, and mesh continuity across parts.
assembliesinterfaces
12
Boundary layer meshing for CFD and thermal FEA
inflation layers, y+ targets, and adaptive near-wall refinement.
BoundaryCFD
13
Adaptive meshing for nonlinear structural analysis
plasticity, large deformation, and contact-induced nonlinearity.
Adaptivenonlinear
14
Adaptive meshing in explicit dynamics
distortion control, remeshing, and mass scaling interactions.
Adaptiveexplicit
15
Modal and buckling analysis
mesh requirements for eigenvalue convergence and mode shape accuracy.
bucklinganalysis
16
Fatigue and durability FEA
mesh sensitivity of hot spots, stress gradients, and notch stress convergence.
durabilityFEA
17
Thermal-structural coupled analysis
adaptive meshing across thermal gradients and interface heat transfer.
Thermal-structuralanalysis
18
Electromagnetic and multiphysics FEA
adaptive meshing for skin depth, eddy currents, and coupled field convergence.
Electromagneticmultiphysics
19
Automated adaptive meshing in ANSYS
SMART Crack Growth, Mesh Nonlinear Adaptivity, and convergence tools.
Automatedadaptive
20
Automated adaptive meshing in Abaqus
ALE, adaptive remeshing, and error indicator-based refinement.
Automatedadaptive
21
Open-source adaptive FEA
deal.II, FEniCS, and MOOSE for custom error estimators and refinement loops.
Open-sourceadaptive
22
Mesh generation tools and scripting
ANSA, Simcenter, HyperMesh, and Python-driven meshing workflows.
generationscripting
23
High-performance computing for adaptive FEA
parallel partitioning, load balancing, and dynamic repartitioning.
High-performancecomputing
24
Verification and validation (V&V) of adaptive FEA
code verification, mesh verification, and validation against tests.
Verificationvalidation
25
Case study
adaptive meshing for a pressure vessel nozzle under internal pressure and thermal load.
adaptivepressure
26
Case study
mesh convergence for an automotive knuckle under multi-axial fatigue loading.
convergenceautomotive
27
Case study
adaptive refinement for a gas turbine blade under thermo-mechanical fatigue.
adaptiverefinement
28
Case study
large assembly simulation of an aircraft wing box with contact and buckling.
assemblysimulation
29
Case study
additive manufacturing simulation with adaptive meshing for residual stress and distortion.
additivemanufacturing
30
Industrial implementation
best practices, automation, documentation, and reporting for adaptive FEA convergence.
Industrialimplementation