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Analysis of Bridge and Concrete Overpass Structure
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Objective
Stress and deflection analysis of bridge and concrete overpass structure over a different element and seed to determine the effect of load to find stresses acting and deformation of parts.
Analysis study provides a details information about where the structure will be fails, various forces acting on it, where we need to make changes in the design.
It helps in the designing the structure before making the actual model of it.
Steps Followed
- Pre-Processing Steps
- Selection of the element type.
- Creating part
- Generating mesh structure
- Adding boundary conditions
- Adding loads
- Selecting material for the model
- Obtain the solution
- Post-processing
- Visualisation of results
- Computation of stress, strain and displacement
Task 1: Analysis Result
- 2 Elements Stress and Displacement
Stress
Displacement
- 4 Element Stress and Displacement
Stress
max
Maximum stress location
Displacement
- 8 Element Stress and Displacement
Stress
Maximum stress location
Displacement
- 16 Stress and Displacement
Stress
Maximum stress location
Displacement
| No. of Elements | Stress | Displacement |
| 2 Elements | 1.70e+5 | 7.173e+3 |
| 4 Elements | 1.4e+5 | 6.04e+4 |
| 8 Elements | 2.54e+5 | 2.05e+4 |
| 16 Elements | 3.071e+5 | 3.718e+4 |
Displacement scale factor- 4.998e-4
Stress scale factor- 4.998e-4
From the above results we can conclude that stress produced in the 4 Elements system is less than the other systems.
Task 2
Part 1
4 Node quad
20 SEED
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
10 SEED
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
5 SEED
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
2.5 SEED
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
8 Node QuadÂ
20 SEED
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
10 Seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
5 SEED
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
2.5 SEED
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
3 Node Tri
20 seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
10 Seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
5 Seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
2.5 Seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
6 Node Tri
20 seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
10 Seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
5 Seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
2.5 Seed
Mesh
Maximum Principal Stress
Minimum Principal Stress
Displacement
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