FEA Analysis Services


One of the most widely used techniques in Computer-Aided Engineering (CAE) is the Finite Element Method (FEM), also known as Finite Element Analysis (FEA). This method breaks down a complex system into smaller elements, or building blocks, which are linked by equations that can be solved efficiently. A Finite Element Model includes not just the mesh, but also material properties, boundary conditions, loads, and contacts—allowing complete system-level simulations.

Modern solvers can handle non-linear problems, which often arise even in seemingly simple systems. Common sources of non-linearity include:

  • Geometric: large deformations affecting displacement/strain relationships
  • Force: load changes due to pressure or deformation
  • Contact/boundary: contact conditions changing with movement or force
  • Material: yielding metals, hyperelastic polymers, or viscoelastic behavior

Non-linear problems are challenging because the stiffness matrix changes constantly, making convergence difficult. For example, even the deflection of a simple beam can exhibit non-linear behavior.

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FEA solvers generally fall into two categories:

Implicit Solvers:

  • Apply loads in steps, solving for equilibrium at each step.
  • Used for both static (ignores inertia) and dynamic (includes inertia) problems.
  • Convergence issues are common in non-linear models.

Explicit Solvers:

  • Use wave propagation instead of equilibrium convergence.
  • Ideal for transient, short-duration events such as impacts and crashes.
  • Require extremely small time increments, making them well-suited for shock and crash simulations.


What makes us different?

While simplified FEA tools are often bundled with CAD software, they can produce misleading results. Automated “push-button” meshing may overlook critical issues such as element shear-locking, hourglassing, or adaptive meshing needs during deformation. Likewise, poorly defined boundary conditions, contacts, or material models can compromise accuracy. 

This is why expertise matters. With over 21 years of experience in CAE and product testing, we combine advanced tools with deep engineering knowledge to ensure accurate, reliable, and actionable results.