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Article
On the surface quality of additive manufactured parts
This paper presents the development, implementation and application of a methodology to predict and control the surface quality of the additive manufacturing products based on an accurate representation of the...
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Article
Development of optimum design from static response of pile–raft interaction
Piled raft foundations are among the most commonly used support structures for offshore projects. When a raft foundation alone does not satisfy the design requirements, piles may be added to improve the ultima...
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Article
Complex diffusion process for noise reduction
Signal de-noising and restoration is an essential step for many signal processing algorithms and applications. One of the most common problems is the removal of some interesting structures in the signal during...
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Article
Nonlinear oscillation system of mass with serial linear and nonlinear springs
In this paper, two powerful methods called Max–Min and parameter expansion have been applied for the determination of the periodic solutions of the nonlinear free vibration of a conservative oscillator with in...
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Article
Dynamic response of a beam carrying a lumped mass along its span
In this paper, we study the periodic solutions for the free vibration of a conservative oscillator with fifth-order nonlinearity using two new methods, the energy balance method and the variational approach. W...
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Article
Nonlinear vibration of an elastically restrained tapered beam
This paper presents the analytical simulation of an elastically restrained tapered cantilever beam using the energy balance method (EBM) and the iteration perturbation method (IPM). To assess the accuracy of s...
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Article
Periodic solutions for highly nonlinear oscillation systems
In this paper, Frequency-Amplitude Formulation is used to analyze the periodic behavior of tapered beam as well as two complex nonlinear systems. Many engineering structures, such as offshore foundations, oil ...
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Article
Assessment of soil liquefaction potential based on numerical method- a case study of an urban railway project
Paying special attention to geotechnical hazards such as liquefaction in huge civil projects like urban railways especially in susceptible regions to liquefaction is of great importance. A number of approaches...
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Article
A parametric study of stability of geotextile-reinforced soil above an underground cavity
A study based on two-dimensional finite element analyses under plane strain condition was performed by PLAXIS code to investigate the behavior of geotextile-reinforced soil above an underground cavity. The eff...
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Article
Differential transform method for mathematical modeling of jamming transition problem in traffic congestion flow
In this paper we aim to find an analytical solution for jamming transition in traffic flow. Generally the Jamming Transition Problem (JTP) can be modeled via Lorentz system. So, in this way, the governing diff...
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Article
Numerical analysis of strongly nonlinear oscillation systems using He’s max-min method
Nonlinear functions are crucial points and terms in engineering problems. Actual and physical problems can be solved by solving and processing such functions. Thus, most scientists and engineers focus on solvi...
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Article
Entropy generation due to natural convection in a partially heated cavity by local RBF-DQ method
The Local Radial Basis Function-Differential Quadrature (RBF-DQ) method is applied to two-dimensional incompressible Navier-Stokes equations in primitive form. Numerical results of heatlines and entropy genera...
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Article
Influence of using rice husk ash in soil stabilization method with lime
In clayey lands, swelling problem causes vertical displacements on road subbase, and finally, failure in pavement occurs due to lack of appropriate drainage systems. One popular and inexpensive method of soil ...
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Article
Numerical evaluation of sample size effect on the stress-strain behavior of geotextile-reinforced sand
This paper studies the effect of sample size on the stress-strain behavior and strength characteristics of geotextile reinforced sand using the finite element numerical analysis. The effect of sample size was ...
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Article
Analysis of highly nonlinear oscillation systems using He’s max-min method and comparison with homotopy analysis and energy balance methods
Nonlinear functions are crucial points and terms in engineering problems and the solutions of many important physical problems are centered on finding accurate solutions to these functions. In this paper, a ne...
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Article
Analytical solution of forced-convective boundary-layer flow over a flat plate
In this letter, the problem of forced convection heat transfer over a horizontal flat plate is investigated by employing the Adomian Decomposition Method (ADM). The series solution of the nonlinear differentia...
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Article
Prediction of slope stability using artificial neural network (case study: Noabad, Mazandaran, Iran)
Investigations of failures of soil masses are subjects touching both geology and engineering. These investigations call the joint efforts of engineering geologists and geotechnical engineers. Geotechnical engi...
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Article
Application of Homotopy Perturbation Method and Variational Iteration Method to Nonlinear Oscillator Differential Equations
In this paper, homotopy perturbation method (HPM) and variational iteration method (VIM) are applied to solve nonlinear oscillator differential equations. Illustrative examples reveal that these methods are ve...
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Chapter and Conference Paper
Evaluation of Geometric Deviations in Sculptured Surfaces Using Probability Density Estimation
The number and location of samples acquired during coordinate measurement are among the most important parameters that affect the accuracy of evaluating the actual geometric deviations and comparing them with ...
