Q1. What is the characteristic of the system matrix of a FEA analysis? Which information can you extract from the pivot ratio?
Q2. Through three reasons discuss the possible errors occurred by un-correct loading.
Q3. Give three reasons for which non-linear FEA is required when not expected.
Q4. Which tools does Ansys propose to estimate errors? Give brief explanation and provide the command line for the three of them?
Q5. Discuss linear and parabolic elements within their application. Which one of linear or parabolic elements would you use for highly curved geometries? Explain why.
Q6. What is a discretisation error? What is a formulation error? What is a numerical error?