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Materials Properties
| The Youngs Modulus | The Yield Strength | The ultimate tensile strength | Poissons Ratio |
|---|---|---|---|
| 201 | 352.8 | 489.6 | 0.29 |
Load-displacement of the members with and without corrugate
| Model | First bucking load | First buckling load Displacement | Max. load | Displacement at Pu | Max. Displacement | First bucking load (Pcr) (EX2) / First bucking load (Pcr) | Analytical Max.load of the EC3 | Max. Load (EX2) / Max. Load | First bucking load (Pcr) (EX)/Analytical Max.load of the EC3 | Max. load(Pu) (EX)/Analytical Max.load of the EC3 |
|---|---|---|---|---|---|---|---|---|---|---|
| EX1* | 2.30 | 31.72 | 3.4345 | 91.15 | 262.95 | 57.96 | 4.13 | 0.039 | 0.059 | |
| EX2** | 3.649 | 1.84 | 14.1925 | 24.29 | 61.80 | 1.59 | 79.38 | 0.045 | 0.178 |
Numbers of nodes and elements for corrugated model
| Mesh Type | Number of nodes | Number of Elements |
|---|---|---|
| Automatically generated | 27159 | 7852 |
| Tetrahedrons | 21956 | 6149 |
| Hex-dominant | 37652 | 9874 |
Comparison of this work and Cybulski et al_ [5]
| Model | Experimental load (Cybulski et al [5]) | First buckling load (Pcr) (kN) | Max. load (Pu) | First buckling load (Pcr) to Experimental load (Cybulski et al (%) | Max. load (Pu) to Experimental load (Cybulski et al (%) |
|---|---|---|---|---|---|
| EX1* | - | 2.30 | 3.4345 | - | - |
| EX2** | - | 3.649 | 14.1925 | - | - |
| S1 | 56.9 | - | - | 4.04 | 6.04 |
| S2 | 57.5 | - | - | 4 | 5.97 |
| S3 | 59.7 | - | - | 3.8 | 5.75 |
| S1r5m | 44.6 | - | - | 8.18 | 31.82 |
| S2r5m | 43.1 | - | - | 8.46 | 32.92 |
| S3r5m | 44.3 | - | - | 8.24 | 32.04 |
Comparison of maximum load and displacement of the models
| Model | Max.load | Max. Displacement | Max.load | Max. Displacement |
|---|---|---|---|---|
| EX1 and FE1* | 3.4345 | 262.95 | 3.60 | 744 |
| EX2 and FE2 ** | 14.1925 | 61.80 | 10.30 | 25.5 |