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Problem 3: Review two practical examples to solve various applications or issues using FEA approach. Provide their basics appropriate differential model and construct simple sketches for both the problem and the expected numerical solution. Provide comparison between the expected exact solution and approximate solution using element/ grids sketches for the problem. Problem 3: Review two practical examples to solve various applications or issues using FEA approach. Provide their basics appropriate differential model and construct simple sketches for both the problem and the expected numerical solution. Provide comparison between the expected exact solution and approximate solution using element/ grids sketches for the