Engineering and Science Labs Offering Reliable Finite Element Analysis of Failure, Design and Prototype Structures, Products

In order to complement MEIC’s ability to provide strain gage services, we also offer the capability to run stress
and strain analysis calculations with finite element analysis (FEA) software. This software allows MEIC to be
able to quickly, efficiently and accurately model complex physical structures. Different design configurations
and parameters can be evaluated at a desk which cuts out the cost of extensive prototyping or multiple
custom test fixtures. The results can be verified with MEIC’s strain data acquisition services to ensure
practical applications.

In order to construct an accurate model, the boundary conditions and applicable loads must be understood.
First, the part or assembly is drawn and constructed in a 3D modeling program such as SolidWorks.

The part or assembly is then imported into the FEA software where it is “meshed”. Meshing involves splitting
the part into tiny little elements that act as independent springs. These “springs” are then governed by the
same physical equations as a discrete piece of the part. The physical properties and geometrical properties
are all factored into applying the most appropriate mesh refinements. Constraints are then applied to define
bolts, fixed surfaces and “free-to-rotate” sections.

After the meshing and boundary conditions have been applied, the model is solved using linear algebra
techniques. A system is set up in a matrix and then solved with numerical methods.

Finally, the solutions are evaluated by MEIC engineers using visualization tools. Strains, stresses, deflections,
and deformed shapes are all analyzed to ensure the accuracy of the model. Remember, FEA is not an exact
calculation but an extremely accurate simulation.

If you have any further questions, please contact us, and one of our engineers will be able to quickly address
your needs..