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2.4 Exercise 4 - Cylinder under internal pressure The cylindrical vessel of 75 mm internal diameter 250 mm long with walls 2,5mm thick is subjected to an internal pressure Section A-A Section B-B BL B The following must be part of the report, but not limited to: 1. Load application 2. Modeling considerations for the cylinder 3. Boundary conditions 4. Mesh convergence study with at least 3 different element types in one graph 5. Verification of stresses in at least one point
1 Introduction The purpose of the course assignment is to document the student's ability to simplify and modify a geometry in order to perform and validate a finite element analysis. Four different exercises are given. The students must pick one per group. The item that is picked must be analyzed and validated to its full extent 1.1 Material All material is structural steel S235JR: E = 2.1 10° MPa and ve 0.3 1.2 Analytic verification For the individual problems, an analytic verification of the structure must be made. This means that in one or several points the Finite element analysis calculated stress, strain or displacement must be compared to an analytical calculation for instance using a = or similar! In some of the exercises this is specified to a further degree 1.3 Loads The students must find a suitable load for the structure chosen. This means that large scale yielding as well as large displacements and rotations are not allowed. If local hot spots appear they should be explained and quantified.