CE571: Computational Mechanics - Geometry and Discretization - Engineering Assignment Help

Assignment Task:

Problem

The columns are characterized by a rectangular cross-section of (30+F+H)cm x (50+A+D)cm.
The cross-section of the beams are 25cm x 25 cm.
The uniform load apply to the structure is (50+B+H) kN/m

Geometry and Discretization (10 marks)

Create the technical drawing of your problem

3D Solid Element Model (40 marks)

Create the model of the portal frame by using 3D solid elements

Describe by using a technical jargon:
1. The geometry and the entities of your geometrical model
2. Discretization of the geometrical model
3. Element groups and type of mesh (shape, number of nodes, assumptions)
4. any critical area or interface that requires special attention
5. the algorithm used to create the mesh of your model
6. the total number of nodes and dofs
Do not use screenshots on the use of the software, this is a technical report.

A model with 1D beam elements (20 marks)

Create the model of the portal frame by using 1D beam elements

Describe by using a technical jargon:
1. The geometry and the entities of your geometrical model
2. Discretization of the geometrical model
3. Element groups and type of mesh (shape, number of nodes, assumptions)
4. any critical area or interface that requires special attention
5. the algorithm used to create the mesh of your model
6. the total number of nodes and dofs
Do not use screenshots on the use of the software, this is a technical report.

Stress Analysis (20 marks)

This section is dedicated to the post-processing.

For both Models (3D and 1D)
1. Show and comment the Deformed Mesh Plot vs the Undeformed Mesh plot
2. Show and comment stresses or internal forces distribution through contour map
3. Show and comment the stresses or internal forces on a critical area
4. Show the stress distribution in terms of vector plot of a critical area (only for 3D model)
5. Show the pathline along a cutting plane or section of a critical areas (only for 3D model)
6. Find the maximum and minimum value of the deformation and the relevant stresses for your problem in tabular form.

Critical Evaluation of the Project (10 marks)

In this section you should evaluate critically your models by comparison of the results obtained from the 2 modelling techniques (3D and 1D)

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