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F.E.M Analysis

In order to offer an increasingly qualified service, the Meccanica System team of engineers performs analyses with the Finite Element Method (FEM). The “Finite Element Method” (FEM) is a technique used to find approximate solutions to differential equations encountered in physics and engineering. The first step consists of dividing the component into sub: parts, known as finite elements and selecting the choice of points, called nodes, on the boundary between adjoining elements or inside the elements.

Stresses and displacements are then assumed as unknown variables: at a generic point of an element they are expressed in terms of node variables through interpolation functions.  Lastly, algebraic equations to resolve the problem are generated by a variation principle. The Finite Elements Method offers unique opportunities to assess structural behavior, thus enabling drastic reductions in the investments required to build and test prototypes.

Thanks to this type of analysis, many firms have seen a marked improvement in their competitiveness.  Simulations made by FEM are approximations of physical reality and the results observed can be reliably interpreted only by users with sufficient knowledge of applied mechanics and the basic principles of FEM.

Meccanica System offers valuable experience and a distinguished performance record in the following:

Finite Element (FE) Modeling
We can create finite element models, starting from the client’s Computer Aided Design (CAD) geometry.  Modeling criteria are defined together with the customer.  Meccanica System can produce input files compatible with major FEM systems.

Finite Elements Static Analysis - Linear and Non:Linear
The goal is to predict the stress/strain level of single parts or assemblies.
Results and the post processing method are defined according to the customer’s specifications.

Finite Elements Dynamic Analysis – Modal and Frequency Response Function (FRF)
We have experience on dynamic simulation with FEM, by both modal analysis (eigenfrequencies) and dynamic response of a Meccanica System.

Composites
Meccanica System’s employees have sustained experience in analysis and optimization of structures made by composite materials in many engineering fields (automotive, Railways, industrial, etc.).

Design Optimization
On the basis of simulation results, Meccanica System can propose design modifications with the aim of optimizing the product by means of static, dynamics and durability. This optimization is erformed with both automatic algorithms and Meccanica System’s employees engineering judgment.

Our company applies the following standard:

UNI EN 12633-1:2010, UNI EN 15277:2011, UNI EN 15663:2009, EN 15085-3:2007, UIC 566, NF F 31-119, EUROCODE 3 and 9, VDI 2230 Part 1 of 2003, IEC EN 61373:2000.

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