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Large-Deformation FEA for Elastomeric and Metal Structures

30 Chapters
View Course Samples Online
01
Nonlinear FEA landscape for large deformations
geometric nonlinearity, material nonlinearity, contact, and solver implications for elastomers and metals.
NonlinearFEA
02
Continuum kinematics for finite strain
deformation gradient, Green-Lagrange strain, Cauchy and PK2 stress, and objective stress rates.
Continuumkinematics
03
Hyperelastic material models for elastomers
neo-Hookean, Mooney-Rivlin, Yeoh, Ogden, and Arruda-Boyce formulations with parameter identification.
Hyperelasticmaterial
04
Metal plasticity at finite strain
von Mises yield, isotropic and kinematic hardening, radial return mapping, and objective integration.
plasticityisotropic
05
Element technology for large deformation
TL and UL formulations, hourglass control, volumetric locking, and hybrid elements for nearly incompressible elastomers.
technologydeformation
06
Contact mechanics in large-deformation FEA
penalty and Lagrange methods, friction models, and convergence strategies for elastomer-metal contact.
mechanicslarge-deformation
07
Solver strategies for nonlinear FEA
Newton-Raphson, modified Newton, arc-length, line search, and automatic stabilization.
strategiesnonlinear
08
Mesh design for large deformations
distortion metrics, remeshing triggers, ALE, and adaptive refinement for elastomeric and metal components.
deformationsdistortion
09
Material testing and calibration for elastomers
uniaxial, planar, biaxial, and volumetric tests; curve fitting and validation.
Materialcalibration
10
Metal plasticity calibration
tensile, cyclic, and shear tests; hardening law selection and validation against large-strain experiments.
plasticitycalibration
11
Modeling elastomeric seals and gaskets
compression set, Mullins effect, viscoelasticity, and contact pressure prediction.
Modelingelastomeric
12
Modeling metal forming processes
deep drawing, hydroforming, and springback with large-strain plasticity and contact.
Modelingprocesses
13
Elastomer-metal bonded assemblies
co-modeling, interface debonding, cohesive zone elements, and failure prediction.
Elastomer-metalassemblies
14
Viscoelasticity and hysteresis in elastomers
Prony series, frequency-domain fits, and transient large-deformation simulations.
Viscoelasticityhysteresis
15
Damage and failure in elastomers
cavitation, tear, fatigue crack growth, and continuum damage models under finite strain.
elastomerscavitation
16
Ductile damage and fracture in metals
Gurson, Johnson-Cook, and XFEM/cohesive approaches for large-deformation failure.
fractureJohnson-Cook
17
Buckling and post-buckling of elastomeric and metal structures
eigenvalue vs. nonlinear buckling, imperfection sensitivity, and arc-length tracing.
Bucklingpost-buckling
18
Impact and crashworthiness
explicit dynamics, strain-rate effects, hourglass control, and energy balance for elastomer-metal systems.
crashworthinessexplicit
19
Thermal effects in large-deformation FEA
coupled thermo-mechanical analysis, thermal expansion, and temperature-dependent material behavior.
large-deformationFEA
20
Fatigue life prediction for elastomers and metals
strain-life, energy-based, and critical plane methods under large cyclic strains.
predictionelastomers
21
Verification and validation
benchmark problems, mesh convergence, experimental correlation, and uncertainty quantification.
Verificationvalidation
22
Case study
automotive suspension bushing — hyperelastic modeling, metal inserts, and durability assessment.
automotivesuspension
23
Case study
seismic isolation bearing — laminated elastomer-metal layers, large shear, and stability under axial load.
isolationlaminated
24
Case study
metal rubber and flexible electronics — large-deformation metal-elastomer composites and interfacial design.
flexibleelectronics
25
Case study
tire and belt mechanics — cord-rubber composites, large deformation, and rolling contact.
mechanicscord-rubber
26
Case study
biomedical devices — stent-grafts and soft actuators with elastomer-metal interactions and large strain.
biomedicalstent-grafts
27
Advanced material models
user-defined hyperelasticity, crystal plasticity, and machine-learning-assisted constitutive modeling.
Advancedmaterial
28
Multiscale and homogenization approaches for elastomer-metal composites
RVE, mean-field, and FE2 methods.
Multiscalehomogenization
29
Optimization and design under large deformations
topology optimization, shape optimization, and robust design for elastomer-metal parts.
Optimizationdeformations
30
Capstone project
end-to-end large-deformation FEA of an elastomer-metal component — from material testing to validated simulation and design recommendation.
Capstoneend-to-end