Please prepare a paragraph or two using your own words on the given problems:

problem: What are the multipoint constraints?

problem: What is the main difference between an RBE2 and RBE3? When is one use over the other?

problem: What is the basic difference between an isotropic, orthotropic and anisotropic material?

problem: What is the major difference between finite elements, finite difference, and finite volume?

problem: What are stability, consistency and convergence of a difference equation?

problem: What is the difference between linear models versus nonlinear model?

problem: What is the difference between an explicit method over implicit in FEA? Which one will you use over the other? Name the type of analysis.

problem: What is the Newton Raphson method? How does it work?

problem: What is the difference between bonded contact and standard contact? Which one can model friction effects?

problem: What is the difference between the von-mises and maximum principal stress?

problem: What is axisymmetric, plane stress, and plane strain modeling?

problem: What is difference between a beam, spar, shell, and solid element? Give an explanation on when you will use either elements?