We are trying to find the nodal displacements due to the applied load. One of the nodes is fixed rigidly to the wall, and other node will deform due to the applied load. ![]() The spring is the element, and it is bounded by two nodes at either end. Using the vocabulary of the finite element method, we have here a single element finite element model. We are interested in finding the displacement of the end of the spring, where the force is applied. What Makes a Finite Element Model Linear and StaticĬonsider the system shown below, of a spring that is attached to a rigid wall at one end, and with an applied force at the other end. ![]() This information is presented in the context of a very simple 1D finite element problem, but is applicable for all cases, and is important for understanding more complex nonlinear and multiphysics solution techniques to be discussed in upcoming blog posts. In this first blog entry of our new solver series, we describe the algorithm used to solve all linear static finite element problems.
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