Enrico Bertocchi
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View article: Numerical modelling of the cavitation damage in the conrod big end bearing of a high-performance internal combustion engine
Numerical modelling of the cavitation damage in the conrod big end bearing of a high-performance internal combustion engine Open
In this contribution a complementarity formulation for the solution of the elastohydrodynamic problem in the presence of cavitation is employed to investigate the tribological behaviour of the conrod big end bearing in a high-performance i…
View article: Recovery of Interlaminar Tensile Stresses in Curved Laminates Subject to Biaxial Flexure: The Case of an Elastically Induced Curvature Purposely Misaligned with the Principal Directions of Initial Curvature
Recovery of Interlaminar Tensile Stresses in Curved Laminates Subject to Biaxial Flexure: The Case of an Elastically Induced Curvature Purposely Misaligned with the Principal Directions of Initial Curvature Open
Many literature contributions deal with the evaluation at FE post-processing stage of the interlaminar normal stress distribution in moderately thick single or doubly curved laminates subject to flexure, based on through-the-thickness equi…
View article: Towards an analytical model of a pin-lug connection
Towards an analytical model of a pin-lug connection Open
View article: Stresses in the cap of a connecting rod
Stresses in the cap of a connecting rod Open
View article: On the Strength Weakening Effect of Stiffening Ribs in the Design of Machine Components
On the Strength Weakening Effect of Stiffening Ribs in the Design of Machine Components Open
The bending stress in beams may often be reduced by adding material to the cross section. In some paradoxical cases, however, the bending stress increases by adding material from zones far away, or close to, the neutral axis. Similarly, th…
View article: A paradox in curved beams
A paradox in curved beams Open
It is sometimes possible to relieve the stresses in a mechanical component by removing material, where relief grooves are the commonest expedient approach. Within the rectilinear beam realm, rare situations are known in which, by removing …
View article: Shaft-hub press fit subjected to couples and radial forces: analytical evaluation of the shaft-hub detachment loading
Shaft-hub press fit subjected to couples and radial forces: analytical evaluation of the shaft-hub detachment loading Open
This paper concerns the propagation of Rayleigh waves in compressible prestressed elastic half-spaces.The main aim is to derive formulas for the H/V ratio (ellipticity), which is the ratio of the amplitude of the horizontal displacement to…
View article: A simple method of analysis of partial slip in shrink-fitted shafts under torsion
A simple method of analysis of partial slip in shrink-fitted shafts under torsion Open
View article: A repertoire of failures in gudgeon pins for internal combustion engines, and a critical assessment of the design formulae
A repertoire of failures in gudgeon pins for internal combustion engines, and a critical assessment of the design formulae Open
View article: Analysis of a segmented locking ring for shell-bottom connection in pressure vessels
Analysis of a segmented locking ring for shell-bottom connection in pressure vessels Open
View article: On the Contact Stresses at the Indenting Edge of a Shaft-Hub Interference Fit Subject to Bending and Shear Forces
On the Contact Stresses at the Indenting Edge of a Shaft-Hub Interference Fit Subject to Bending and Shear Forces Open
The contact stress field is addressed that is developed at the indenting edge of a keyless shaft-hub interference fit, in the case that both bending and shear forces are applied, and in the absence of friction. The combined effect of a set…
View article: A complete 3-D description of the elastic behavior of a piston ring and its influence on the tribological behavior of the piston ring-cylinder liner interface
A complete 3-D description of the elastic behavior of a piston ring and its influence on the tribological behavior of the piston ring-cylinder liner interface Open
View article: A New Volumetric Parameter for a Comparative Finite-Element Analysis of a Six- or Four-Implant Mandibular Total-Arch Rehabilitation
A New Volumetric Parameter for a Comparative Finite-Element Analysis of a Six- or Four-Implant Mandibular Total-Arch Rehabilitation Open
In a full-arch implant rehabilitation ad modum Branemark, the distribution of stress and strain in mandibular bone is influenced by the type, number and position of implants used. In particular, the biomechanical behaviour of the bone stru…
View article: A repertoire of failures in connecting rods for internal combustion engines, and indications on traditional and advanced design methods
A repertoire of failures in connecting rods for internal combustion engines, and indications on traditional and advanced design methods Open
View article: Aluminum Structures in Automotive: Experimental and Numerical Investigation for Advanced Crashworthiness
Aluminum Structures in Automotive: Experimental and Numerical Investigation for Advanced Crashworthiness Open
Ductility of aluminum alloys is highly used in automotive applications where crashworthiness becomes relevant. Due to its physical and mechanical properties, aluminum allows structures to be designed with good capacity to absorb energy, wi…
View article: Elastohydrodynamic Analysis of the Conrod Small-End of a High Performance Motorbike Engine via a Mass Conserving Cavitation Algorithm
Elastohydrodynamic Analysis of the Conrod Small-End of a High Performance Motorbike Engine via a Mass Conserving Cavitation Algorithm Open
In this contribution a complementarity formulation for the solution of EHL problem in presence of cavitation is employed in order to investigate the tribological behavior of the conrod small-end of a high performance motorbike engine. The …
View article: Analytical evaluation of the peak contact pressure in a rectangular elastomeric seal with rounded edges
Analytical evaluation of the peak contact pressure in a rectangular elastomeric seal with rounded edges Open
The contact pressure is considered for an elastomeric rectangular seal with rounded edges. An asymptotic matching is performed between an available analytical expression of the contact pressure that neglects the finiteness of the seal dime…
View article: Normalization of the stress concentrations at the rounded edges of an interference fit between a solid shaft subjected to bending and a hub
Normalization of the stress concentrations at the rounded edges of an interference fit between a solid shaft subjected to bending and a hub Open
The elastic stress concentrations are addressed that are developed from the keyless frictionless press fit of a shaft subjected to bending into a hub with rounded bore edges. Derived from a formal modeling of the title problem in terms of …
View article: The influence of textured surfaces on the tribological behaviour of hip replacements employing a mass conserving complementarity algorithm
The influence of textured surfaces on the tribological behaviour of hip replacements employing a mass conserving complementarity algorithm Open
The tribological behaviour of Metal-on-Metal (MoM) hip prostheses is a key factor for their success. In particular, wear is recognized to have a crucial role in the failure of a prosthesis and can have severe consequences on the patient’s …