The product "TrailSkate's" is made as one part product.

The formulation of the problem with Finite Element Analysis results in a system of symultan algebric equations as a solution instead of looking for a solution of the diferential equations.

The process of modeling the body with the method of spliting to equvalent system of smaller parts (finite elements) joint in the spots wich are mutual for two or more elements (joint spots or joints) is known as discerization of the model.