Finite elements in the cloud

A really-easy web-based platform for performing
thermo-mechanical analysis right from your browser.

Bake, shake and break your CAD parts…

Thermal conduction

Obtain the temperature distribution within your part

Modal analysis

Compute the natural frequencies and modes of oscillation

…with our unique 3-step workflow…

1. Problem

Define properties and boundary conditions

2. Mesh

Create a suitable finite-element mesh

…in less than one (literal) minute…

Either from Onshape…

Sign in into Onshape, make sure you are subscribed to CAEplex in the App Store, open your Part Studio and add a new CAEplex tab.

…or directly here

Sign in into, create a new project from a new geometry, drag your CAD file, confirm and click on start a new project.


No need to install any extra software


No need to buy extra hardware


Get results in less than one minute


Use it from a tablet or smartphone


Share your projects with other people

Industry 4.0-ready

Cloud, mobile, collaborative & agile

CAEplex’ features

Problem types

Steady-state linear 3D elasticity

  • Boundary conditions
    • Null or prescribed displacements in each degree of freedom
    • Symmetry, either tangential or radial (or both)
    • Prescribed rotation around a center and axis
    • External pressure
    • Total force
    • Moment loads
  • Internal loads
    • Weight
    • Centrifugal
    • General algebraic expression
  • Temperature distribution
    • Algebraic expression
    • Point-wise scattered data
    • From a heat conduction project
  • Results
    • Field of displacements
    • Von Mises and principal stresses

Steady-state thermal 3D conduction

  • Boundary conditions
    • Temperature
    • Prescribed heat flux
    • Convection condition
  • Internal heat source
    • Algebraic expression
  • Results
    • Field of temperatures
  • Boundary conditions
    • Null or prescribed displacements in each degree of freedom
    • Symmetry, either tangential or radial (or both)
  • Results
    • Field of displacements (one for each mode)
    • Frequency  fi, participation Γi, and effective modal mass μi

Meshing capabilities (Gmsh)

  • Tetrahedral grid elements, either first-order (TET4) or second-order (TET10)
  • Global and local mesh refinement control
  • Selection of 2D and 3D meshing algorithms
  • Different levels of grid optimization
  • History of past meshes

Solver features (Fino)

  • Non-uniform material properties through algebraic expressions and/or scattered data
  • Material interfaces treated as glued connections (a.k.a. bonded contacts)
  • GAMG preconditioner
  • GMRES sparse solver
  • Smoothed node-averaged results at the nodes
  • Simple interactive web-based post-processing view
  • Full VTK output

Under development

  • Download input files and run the case locally
  • Management of project history and revisions
  • Generation of engineering reports
  • ASME stress linearization
  • Statically-equivalent seismic analysis

Engineering back-ends


Gmsh, a three-dimensional finite element mesh generator
by Christophe Geuzaine and Jean-François Remacle


Fino, a free finite element solver
by Seamplex

Not a point-and-click guy? Be our guest and knock yourself out with Seamplex’ free engineering back-ends

Verification and validation

SimSolid “Real World” Validation Manual For Stress Accuracy

A report compares 18 cases solved with Solidworks and Simsolid. Here are the same cases solved in CAEplex:

Validation reports

  • On convergence of linearized stresses in an infinite pipe computed using the finite element method HTML PDF
  • Three single-part linear elastic benchmark problems PDF
  • Parallelepiped whose Young’s modulus is a function of the temperature PDF
  • Thermo-elastic expansion of finite cylinders PDF

Verify our code by yourself at Github