FEA Final Exam

A partial differential equation is the mathematical description of a ____________ physical process in which a dependent variable, u, is a function of _____________ independent variables, e.g, t, and x. In order to solve a PDE we need to know a set of __________. - Continuous, one or more, boundaries Assuming the principles of a standard discrete system: What is the dimension of an element stiffness matrix? - m X m m is the number of nodes in the element Assuming the principles of a standard discrete system: What is the dimension of the global stiffness matrix after assembly of the whole structure? - a X a a is the number of global nodes in the element and the summation of the local element Basic Workflow of FEA Model ______ Collect ______ Build _______