ANALYSIS TYPE / 01
Predict the Structure's Behavior Under Static Loads
Overview
Non-linear statics in Finite Element Analysis (FEA) is a significant consideration when analyzing structures and materials that exhibit nonlinear behaviors. Conventional linear FEA assumes material properties and loading conditions remain constant and proportional, however many real-world scenarios involve complex material behaviors such as plasticity, large deformations, and contact interactions that linear assumptions cannot accurately represent. Non-linear statics solves governing equations iteratively to capture the material's and structure's nonlinear behavior, updating the stiffness matrix, material properties, and loading conditions until a converged solution is obtained.
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Deliverables
Key Aspects
Large deformation and large rotation effects where the stiffness matrix changes with displacement — critical for thin shells, snap-through, and post-buckling behaviour.
Capturing plasticity, hyperelasticity, creep, and damage — including rate-dependent and anisotropic material models for metals, composites, and elastomers.
Modelling contact interactions between components — frictionless, frictional, rough, and bonded — including gap opening, closure, and sliding under load.
Configuring solver settings, substep controls, and stabilisation to ensure reliable convergence for highly non-linear problems without masking physical instabilities.
Connect with our structural simulation team to discuss the right approach for your application.
