Type of FEA

Stress analysis Structural problems in elasticity can be solved using linear stress FEA

. Stress and displacement response are the main results of a linear stress analysis.

These stress levels and deformations are critical in determining whether a product will fail in service and to show conformance to design codes.

Vibration analysis: Most problems in vibration are based on a linear stress analysis. The analyst will expand on the static analysis by applying time varying loads and the damping properties of the system.

The results of a vibration analysis include the natural frequencies and the dynamic response (stresses and displacements) of a system to the time varying loads.

The main design objective in vibration analysis is to avoid destructive resonant frequencies in which the response amplifies itself until the part fails. Vibration analysis can also used to determine the fatigue life of a part.

Thermal FEA analysis: The thermal response of a part or system can also be determined using FEA. Temperature values, heat flow, and thermal stress can. be critical for parts placed in a thermal environment.

Non-linear FEA analysis nonlinear analysis involves systems that have large displacements or advanced material behavior such as plastic yielding, buckling, or failure. Another type of non-linearity involves contact between the part and other parts.

We have been solving nonlinear Problems since 1983 and have extensive experience.Advanced FEA analysis: Many structures and systems are placed in very complicated environments that traditional FEA methods have problems with.

Some of these environments include impact, severe post yield behavior, fracture surfaces, and coupled physics environments. To tackle these complicated systems we turn to the explicit methods developed by the defense industries.

A couple of examples of these advanced problems would be drop testing, crash testing, explosives, and forming problems. In addition explicit methods have very robust contact capabilities and can be used to resolve a non-converging implicit analysis.

Type of FEA

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