May 23, 2019
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# CAD 148 - Intro to Finite Element Analys

Credits: 3
Lecture Hours: 2
Lab Hours: 2
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
This course will introduce CAD students to the analysis of simple structures. Analysis will be examined then verified using computer analysis software in conjunction with CAD. Basic engineering statics will be taught.
Prerequisite: CAD 152 , CAD 153 , CAD 246 , CAD 182  , MAT 773
Competencies
1. Examine forces.
1. Differentiate between internal and external forces.
2. Discuss compressive forces.
3. Discuss tensile forces.
4. Identify gravitational forces.
5. Discuss force translations.
6. Calculate resultant force.
7. Discuss concurrent forces.
8. Discuss co-planer forces.
9. Create free-body diagram.
10. Discuss equilibrium of forces.
11. Examine forces on inclined planes.
2. Determine three dimensional resultants.
1. Discuss force system theorems.
2. Calculate vectors.
3. Examine simple (direct) stress.
1. Discuss tension.
2. Discuss compression.
3. Discuss shear.
4. Discuss bearing.
4. Discuss friction.
1. Define static friction.
2. Calculate maximum static friction.
3. Discuss friction on an inclined plane.
4. Discuss wedge action.
5. Discuss journal friction.
5. Examine moments.
1. Define moment arm.
2. Discuss sign of moment.
3. Discuss uniform loading.
4. Calculate the centroid of the load.
5. Identify couples.
6. Discuss basic constraints.
1. Define six degrees of freedom.
2. Discuss applying basic constraints.
7. Create element mesh.
1. Discuss CAD model types.
2. Examine mesh types.
3. Define nodes.
4. Create 2D & 3D mesh.
5. Import a parametric model for FEA.
8. Analyze trusses.
1. Calculate resultants in truss forces.
2. Discuss truss structures.
3. Examine forces at connections, joints, and sections.
4. Construct truss CAD model.
5. Apply forces to model.
6. Apply contraints.
9. Examine material properties.
1. Define stress.
2. Define strain.
3. Discuss material terms.
4. Define modulus of elasticity.
5. Discuss ductility.
6. Calculate allowable stresses.
7. Calculate safety factors.
8. Define Poison’s ration.
9. Discuss thermal stress.
10. Define coefficient of thermal expansion.
11. Analyze composites.
10. Determine mass properties.
1. Discuss center of gravity.
2. Examine centroids.
3. Determine moment of area.
4. Calculate centroid of a composite.
5. Discuss moment of inertia.
11. Discuss CAD model creation.
1. Define wireframe entities.
2. Discuss nodal entities.
3. Discuss mesh generation.
4. Discuss thermal applications.
5. Discuss using a dither on a DAC model to examine FEA results.
12. Analyze joint designs.
1. Examine bolted joints.
2. Compare rivet joints to bolted joints.
3. Calculate allowable loads for welded joints.
13. Examine simple beams.
1. Examine supported beam.
2. Examine overhanging beam.
3. Examine cantilever beam.
14. Create CAD solid FEA models.
1. Create CAD solid models.
2. Create FEA components.
3. Analyze models.
15. Discuss software calculations.
1. Discuss the analysis process of a model.
2. Examine the data that is required to analyze the model in a decoder.
3. Analyze a model.
4. Examine the results of a model.
5. Discuss the differences between a finite element modeling and mass properties.

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