Multidiscipline Modeling in Materials and Structures: Volume 19 Issue 5

Front propagation in the interaction of gases to model a fuel tank inerting process with a nonlinear parabolic operator

José Luis Díaz Palencia

The objective of this study is to model the propagating front in the interaction of gases in an aircraft fuel tank. To this end, we introduce a nonlinear parabolic operator, for…

Exact shell solutions for conical springs. III. Belleville springs with variable thickness

Vladimir Kobelev

In the current manuscript, the authors examine the Belleville spring with the variable thickness. The thickness is assumed to be variable along the meridional and parallel…

Optimal design of composite cylindrical shells subject to compression buckling strength

Prashant Kumar Choudhary

The objective of the present work is to present the design optimization of composite cylindrical shell subjected to an axial compressive load and lateral pressure.

An micro-level study on the cracking performance of encapsulation-based self-healing resin mineral composites under dynamic load based on XFEM

Hua Huang, Yaqiong Fan, Huiyang Huang, Runlan Guo

As an efficient self-healing intelligent material, the encapsulation-based self-healing resin mineral composite (SHC) has a broad application prospect.

A circular plate with a central hole reinforced with agglomerated CNTs under impact loading

Mehdi Ranjbar-Roeintan

This article focuses on the low-velocity impact (LVI) output of carbon nanotubes (CNTs)’ reinforcement circular plates, considering agglomeration size effect and clumping of CNTs’…

Static and free vibration response of a box-girder bridge using the finite element technique

Mohammad Farhan Shaikh, Nallasivam K

In this study, a finite element model of a box-girder bridge along with the railway sub-track system is developed to predict the static behavior due to different combinations of…

Effects of non-symmetric non-uniformly distributed welding residual stress on fatigue failure initiation and propagation in a hydropower generator shaft

Abdul Kareem Abdul Jawwad, Mofid Mahdi

This article aims to investigate and model the effects of welding-generated thermal cycle on the resulting residual stress distribution and its role in the initiation and…

Blister test to evaluate the multiwall carbon nanotubes (MWCNT) - Woven carbon fiber-reinforced epoxy used for repairing pipelines

Payman Sahbah Ahmed, Ava Ali Kamal, Niveen Jamal Abdulkader, Basim Mohammed Fadhil, Fuad Khoshnaw

Pipelines are subject to pits, holes and cracks after staying in service for a while, especially in harsh environments. To repair the pipelines, composite materials are used, due…

Evaluating the accuracy and effectiveness of machine learning methods for rapidly determining the safety factor of road embankments

Maan Habib, Bashar Bashir, Abdullah Alsalman, Hussein Bachir

Slope stability analysis is essential for ensuring the safe design of road embankments. While various conventional methods, such as the finite element approach, are used to…

Progressive deterioration of reinforced concrete structures: effect on dynamic properties of flexural members

Qaiser Uz Zaman Khan, Muhammad Farhan, Ali Raza

The main purpose of this study is to examine the damage behavior of flexural members under different loading conditions. The finite element model is proposed for the prediction of…

Finite element and generalized regression neural network modelling of multiple cracks growth under the influence of multiple crack parameters

Mas Irfan P. Hidayat, Azzah D. Pramata, Prima P. Airlangga

This study presents finite element (FE) and generalized regression neural network (GRNN) approaches for modeling multiple crack growth problems and predicting crack-growth…

Analytical solution and free vibration analysis for beams with step changes in stiffness

Lei Li, Siqi An

This paper aims to investigate analytical solutions of natural frequencies and mode shapes of Euler-Bernoulli beams with step changes in the stiffness.