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For all Dynamic Analyses, the input or output will concern the vibrations of a system. These vibrations will have a characteristic frequency and period associated with them. The Period (T) of the system is the amount of time it takes to oscillate once. The unit used...

There are two groups of dynamic analysis: linear and non-linear. For an overview on the different types of non-linear structural behaviour, please look at our blog: https://www.fea-solutions.co.uk/non-linear-behaviour/ These groups then have their own types of dynamic analysis depending on what is being simulated, what the inputs are,...

When conducting FEA, the decision must be made as to whether a static analysis or a dynamic analysis is required. There are several key differences between the two. A static analysis can only be performed if the system being simulated does not depend on time, and...

Cyclic Symmetry is a type of symmetry used in a simulation to simplify the FE model. Cyclic symmetry is appropriate when the geometry, loads, constraints and results of a partial model can be copied around an axis multiple times to create a complete model. The surfaces...

A 2D model is taking advantage of symmetry that allows a 2D representation of the 3D structure. There are three types of 2D models that are used: Plane Stress. This represents a cross section of the model which is extending perpendicular to the 2D plane used....

Mirror Symmetry is the most commonly used form of Symmetry in simulation models. It can be used when both the geometry and loads are mirror symmetrical relative to the same plane. Depending on the number of symmetry planes in the model, the model can be the...

Simulation models can be simplified using Symmetry. This is only appropriate if the geometry as well as the loads are symmetrical in the same direction. There are three different types of Symmetry. Most common is Mirror Symmetry (https://www.fea-solutions.co.uk/mirror-symmetry/), but 2D simplifications (https://www.fea-solutions.co.uk/2d-models/) and cyclic symmetry (https://www.fea-solutions.co.uk/cyclic-symmetry/)...