Research Article
Established Numerical Techniques for the Structural Analysis of a Regional Aircraft Landing Gear
Table 3
Reaction forces achieved for the main landing gear by the stick, modified 3D FE (
), and MB models.
| | Rx | Ry | Rz |
| Node 52 | | | | | (N) | (N) | (N) | Stick | 25290 | 3463 | −160000 | 3D FEM | 25290 | 3462 | −160000 | MB | 25293 | 3453 | −160003 | Differences | (%) | (%) | (%) | Stick-3D FE | 0.00 | 0.03 | 0.00 | MB-3D FE | 0.01 | −0.26 | 0.00 | Stick-MB | −0.01 | 0.29 | 0.00 |
| Node 55 | | | | | (N) | (N) | (N) | Stick | 17390 | −262000 | 54490 | 3D FEM | 17400 | −262000 | 54480 | MB | 17395 | −261989 | 54479 | Differences | (%) | (%) | (%) | Stick-3D FE | −0.06 | 0.00 | 0.02 | MB-3D FE | −0.03 | 0.00 | 0.00 | Stick-MB | −0.03 | 0.00 | 0.02 |
| Node 66 | | | | | (N) | (N) | (N) | Stick | −42690 | 258500 | −52080 | 3D FEM | −42690 | 258500 | −52070 | MB | −42688 | 258536 | −52077 | Differences | (%) | (%) | (%) | Stick-3D FE | 0.00 | 0.00 | 0.02 | MB-3D FE | 0.00 | 0.01 | 0.01 | Stick-MB | 0.00 | −0.01 | 0.01 |
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