Fatigue analysis and the local stress–strain approach in complex vehicular structures

Conle, F.A.; Chu, C.-C.

doi:10.1016/s0142-1123(97)00045-5

Cited by 46 publications

(15 citation statements)

References 17 publications

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“…Moreover, these À129 · 10 À6 À115 · 10 À6 À257 · 10 À6 À228 · 10 À6 G2 À200 · 10 À6 À185 · 10 À6 À152 · 10 À6 À142 · 10 À6 G5 À93.5 · 10 À6 À85 · 10 À6 À87.5 · 10 À6 À80 · 10 À6 G6 55 · 10 À6 50 · 10 À6 60 · 10 À6 54 · 10 À6 G7 À120 · 10 À6 À110 · 10 À6 À353 · 10 À6 À330 · 10 À6 G8 À86 · 10 À6 À79 · 10 À6 À85.6 · 10 À6 À80 · 10 À6 components with complex loads go through biaxial stress values. As a consequence, multiaxial fatigue approach considering mean stress effect should be applied [7][8][9][10][11][12]. According to these theories, the failure of a component happens when the accumulated damage on any point reaches the unit value.…”

Section: Low-cycle Fatigue Approachunclassified

Fatigue analysis of an electric windows mechanism subjected to operation cycles

Curiel¹,

Alegre²,

Sáez³

2006

Engineering Failure Analysis

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Section: Low-cycle Fatigue Approachunclassified

Fatigue analysis of an electric windows mechanism subjected to operation cycles

Curiel¹,

Alegre²,

Sáez³

2006

Engineering Failure Analysis

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“…Later, the local stress and strain method [4,5] calculated the local stress-strain history of the notch by the Neuber method or finite element method, and then combined with the stress-life curve or strain-life curve of the material to predict the fatigue life. A large number of test results proved that the predicted result of this method was too conservative [6][7][8]. A large number of tests show that there is a great difference in the fatigue life duration between the notched specimen and the smooth specimen.…”

Section: Introductionmentioning

confidence: 99%

Low Cycle Fatigue Life Evaluation of Notched Specimens Considering Strain Gradient

Qin

Xiong

et al. 2020

Materials

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An improved model based on the Chaboche constitutive model is proposed for cyclic plastic behavior of metal and low cycle fatigue of notched specimens under cyclic loading, considering the effect of strain gradient on nonlinear kinematic hardening and hysteresis behavior. The new model is imported into the user material subroutine (UMAT) of the finite element computing software ABAQUS, and the strain gradient parameters required for model calculation are obtained by calling the user element subroutine (UEL). The effectiveness of the new model is tested by the torsion test of thin copper wire. Furthermore, the calibration method of strain gradient influence parameters of constitutive model is discussed by taking the notch specimen of Q235 steel as an example. The hysteresis behavior, strain distribution and fatigue failure of notched specimens under cyclic loading were simulated and analyzed with the new model. The results prove the rationality of the new model.

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“…Many designers and researchers carried out study on the chassis . Conle & Chu did a research about fatigue analysis and the local stress-strain approach in complex truck structures (Conle & Chu, 1997;Filho et al,2003) have investigated and optimized a chassis design for a truck with the appropriate dynamic and static behaviour, taking into account the aspects relative to the economical viability of an initial small-scale production for reduction of the production cost (Filho, et al, 2003). Recently Karaoglu & Kuralay (2002) investigated stress analysis of an off-road vehicle chassis with riveted joints using FEM.…”

Section: Introductionmentioning

confidence: 99%