SED302: Introduction to CAE and FEA- Mechanical Assignment
Question:
- Preliminary assessment of the structural integrity of the crane by using an idealised beam element model: assess whether the current design meets the compliance (deflection) and maximum stress criteria.
- Validate your initial beam model with simple hand calculations to ensure your FEA model is accurate.
- Provide some design recommendations to the client. You do not need to make or analyse any design changes at this stage, but you should comment on where design improvements could be made based on the results from your analysis.
- Establish a more detailed, yet still efficient, FEA shell-based model of the design. To complete this you will need to:
a. simplify/de-feature the geometry in order to establish a shell-based FE model;
b. apply the appropriate FE meshing techniques to ensure an accurate yet computationally efficient solution (you will be assessed on the quality of your mesh);
c. assess mesh convergence of your models;
d. assess the structural feasibility of the design;
e. justify and discuss all the modelling decisions you have made. - Compile a concise and comprehensive technical CAE report for the client.
a. Do not exceed the table sizing for each section. You must be concise and dot-points are encouraged.
b. You must describe both FEA model setups and your findings with regard to the design feasibility.
c. Give a justification for all design simplifications you made and show how you established a converged, accurate and efficient FE model.
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