Yazar "Özbulut, Murat" için listeleme
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Development of computationally efficient augmented Lagrangian SPH for incompressible flows and its quantitative comparison with WCSPH simulating flow past a circular cylinder
Kolukısa, Deniz Can; Özbulut, Murat; Pesman, Emre; Yıldız, Mehmet (Wiley, 2020)In Lagrangian particle-based methods such as smoothed particle hydrodynamics (SPH), computing totally divergence-free velocity field in a flow domain with the smallest error possible is the most critical issue, which might ... -
Dielectrophoretic interaction of circular particles in a uniform electric field
Tofighi, N.; Özbulut, Murat; Süleman, A.; Feng, J. J.; Yıldız, M. (Elsevier, 2019)A two-dimensional incompressible smoothed particle hydrodynamics scheme is used to simulate the interaction of micron-sized particles suspended in quiescent medium. A uniform electric field is applied to the particles, ... -
Düzenli Dalgalar Üreten Bir Sayısal Dalga Tankının Sph Yöntemi İle Modellenmesi
Özbulut, Murat (2019)Dalga üretici tanklar tarafından üretilen dalga sistemlerine, açık deniz yapıları (petrol çıkarma ve sismik araştırma platformlarının tasarımı) üzerine gelen yüklerin belirlenmesi, kıyı mühendisliği uygulamaları (liman ... -
Dynamics of double emulsion interfaces under the combined effects of electric field and shear flow
Saghatchi, Roozbeh; Özbulut, Murat; Yıldız, Mehmet (Springer, 2021)In this paper, the dynamics of a 2D double emulsion under the combined effects of the electric field and shear flow are studied by using an incompressible smoothed particle hydrodynamics (ISPH) method. Six different systems ... -
The Effect of Iterative Procedures on the Robustness and Fidelity of Augmented Lagrangian SPH
Kolukısa, Deniz Can; Özbulut, Murat; Yıldız, Mehmet (Mdpi, 2021)The Augmented Lagrangian Smoothed Particle Hydrodynamics (ALSPH) method is a novel incompressible Smoothed Particle Hydrodynamics (SPH) approach that solves Navier-Stokes equations by an iterative augmented Lagrangian ... -
A generalized hybrid smoothed particle hydrodynamics–peridynamics algorithm with a novel Lagrangian mapping for solution and failure analysis of fluid–structure interaction problems
Rahimi, Mohammad Naqib; Kolukisa, Deniz Can; Yıldız, Mehmet; Özbulut, Murat; Kefal, Adnan (Elsevier, 2022)Fluid–structure interaction problems (FSI) are omnipresent in a wide variety of engineering fields and includes highly non-linear physics such as violent free-surface flow, complex interfacial and inter-phase interactions, ... -
GPU simulation of sloshing in a vibrating water tank with smooth particle hydrodynamics (SPH) method
Arslan, T.; Özbulut, Murat (Institute of Electrical and Electronics Engineers Inc., 2019)This work aims simulations of sway-sloshing motion in a partially filled rectangular water tank with a certain water depth and enforced vibration motion frequencies. The lateral motion frequency of the tank is chosen so ... -
High performance CFD simulations of sloshing in a moving tank with SPH method
Arslan, T.; Özbulut, M.; Jagunathan, J.; Valsjad, J.; Meyer, J.C. (American Institute of Physics, 2021)The aim of this work is modeling of sway-sloshing motion in a partially filled rectangular tank while different frequency of motions are enforced. Within the study, a CFD code based on Smooth Particle Hydrodynamics (SPH) ... -
An investigation into the nonlinear effects in the roll motion of 2-D bodies by SPH method
Özbulut, M.; Olmez, O.; Kolukisa, D.C.; Dilektaş- Özdemir E.; Gören, O.; Yildiz, M. (Elsevier, 2022)Nonlinear effects in the roll motion of a 2–D body in the free surface are investigated by utilizing the Smoothed Particle Hydrodynamics (SPH) method. The continuity and Navier–Stokes equations are solved by employing the ... -
Investigation of Wave Characteristics in Oscillatory Motion of Partially Filled Rectangular Tanks
Özbulut, Murat; Tofighi, N.; Gören, O.; Yıldız, Mehmet (Asme, 2018)Simulations of oscillatory motion in partially filled rectangular tanks with different tank geometries, fullness ratios, and motion frequencies are presented. Smoothed particle hydrodynamics (SPH) method is used to discretize ... -
An Investigation On the Effects of Time Integration Schemes On Weakly Compressible Sph Method Marine 2017
Kolukısa, Deniz Can; Özbulut, Murat; Pesman, Emre (Int Center Numerical Methods Engineering, 2017)Temporal discretization is a key aspect of the weakly compressible Smoothed Particle Hydrodynamics (SPH) method, as existing studies prove that the time integration schemes affect the stability of the simulations of weakly ... -
Modelling of wave generation in a numerical tank by SPH method
Özbulut, Murat; Ramezanzadeh, S.; Yıldız, Mehmet; Gören, Ömer (Springer, 2020)There have been many mathematical and physical modelling strategies to represent a numerical wave tank that can generate the desired wave spectrums. Presently, one of the recent methodologies that have certain intrinsic ... -
Modelling of wedge water entry problem by SPH method
Ekşi, Yıldız (Piri Reis Üniversitesi, 2019)Gemi hidrodinamiği ve okyanus mühendisliği gibi, birçok pratik uygulamadaki önemi nedeniyle, matematik ve mühendislik bilim insanları tarafından dikkat çeken suya giriş problemi, çarpışma anında açığa çıkan yüksek basınçların ... -
Numerical analysis of a hydrofoil in close proximity to free surface
Ayyıldız, Murat (Piri Reis Üniversitesi, 2019)Bu çalışmada, serbest su yüzeyine yakın bir hidrofoilin hidrodinamik ve dalga yapma karakteristikleri sayısal tekniklerle değerlendirilmiştir. Deney sonuçları farklı derinlikler ve akış hızlarında RANS hesaplamalı akışkanlar ... -
Numerical Investigation of 2-D Wave Making Characteristics of a Submerged Hydrofoil
In this study, 2-D wave making characteristics of a submerged hydrofoil has been investigated in a numerical fashion. Experimental data available for different depths of submergence and flow velocities have been compared ... -
Numerical simulations of multi-phase electro-hydrodynamics flows using a simple incompressible smoothed particle hydrodynamics method
Almasi, F.; Shadloo, M. S.; Hadjadj, A.; Özbulut, Murat; Tofighi, N.; Yıldız, M. (Pergamon-Elsevier Science Ltd, 2021)Practically, every processing technology deals with complex multi-phase flows and predicting the fluid flow behavior is crucial for these processes. Current study discusses the application of a mesh-less numerical methodology, ... -
A Numerical study on the hydrodynamic performance of an immersed foil: Uncertainty quantification of RANS and SPH methods
Ayyıldız, Murat; Saydam, Ahmet Ziya; Özbulut, Murat (Pergamon-Elsevier Science Ltd, 2019)The hydrodynamic characteristics of floating or immersed bodies may be evaluated by a variety of numerical techniques. Although these currently available techniques are well-established for providing valuable information ... -
Simulation of irregular wave motion using a flap-type wavemaker
Ramezanzadeh, S.; Özbulut, Murat; Yıldız, Mehmet (International Center for Numerical Methods in Engineering, 2019)The main objective of the present study is to propose a numerical scheme to model irregular wave systems through a Lagrangian, particle-based numerical method, namely, Smoothed Particle Hydrodynamics (SPH). A numerical ... -
Simulation of pandemics in real cities: enhanced and accurate digital laboratories
Alexiadis, A.; Albano, A.; Rahmat, A.; Yıldız, Mehmet; Kefal, A.; Özbulut, Murat (Royal Soc, 2021)This study develops a modelling framework for simulating the spread of infectious diseases within real cities. Digital copies of Birmingham (UK) and Bogota (Colombia) are generated, reproducing their urban environment, ...
