Open Access

Development of a Robust Multiaxial Fatigue Model for A/C Metallic Assemblies in an Industrial Context

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Jul 07, 2025

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Figure 1.

Basic equilibrium of a lap joint.
Basic equilibrium of a lap joint.

Figure 2.

Crack position.
Crack position.

Figure 3.

Aircraft lap joint.
Aircraft lap joint.

Figure 4.

Test pyramid for lap joint in industrial context.
Test pyramid for lap joint in industrial context.

Figure 5.

Crack initiation methodology for free edge and database performance.
Crack initiation methodology for free edge and database performance.

Figure 6.

Performance of presizing crack initiation for lap joint.
Performance of presizing crack initiation for lap joint.

Figure 7.

Crack initiation methodology for junction and performance.
Crack initiation methodology for junction and performance.

Figure 8.

Cyclic behaviour of AA.
Cyclic behaviour of AA.

Figure 9.

Fatigue tests results a) uniaxial load, b) biaxial load.
Fatigue tests results a) uniaxial load, b) biaxial load.

Figure 10.

Fatigue tests results a) uniaxial load, b) biaxial load.
Fatigue tests results a) uniaxial load, b) biaxial load.

Figure 11.

Performance of multiaxial fatigue law.
Performance of multiaxial fatigue law.

Figure 12.

FEM of fastener joint.
FEM of fastener joint.

Figure 13.

Global and local correlation between test and FEM.
Global and local correlation between test and FEM.

Figure 14.

Adequacy model vs. tests on uniaxial lap joint.
Adequacy model vs. tests on uniaxial lap joint.

Figure 15.

Bi axial fatigue lap joint specimen.
Bi axial fatigue lap joint specimen.

Figure 16.

Test results on 2X1NS-T and fatigue computation.
Test results on 2X1NS-T and fatigue computation.

Figure 17.

Integrated FEM model for multiaxial fatigue analysis.
Integrated FEM model for multiaxial fatigue analysis.
Language:
English
Publication timeframe:
1 times per year
Journal Subjects:
Engineering, Introductions and Overviews, Engineering, other