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413 articles for “dynamic simulation”
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Dynamic Simulation of Load-Responsive Vapor Compression Refrigeration Systems
Abstract: Because of their dependable operation and effectiveness, vapor compression refrigeration systems, or vapor compression refrigeration (VCRS), have become popular in commercial, industrial, and residential settings. However, under different thermal loads, classic vapor compression refrigeration (VCR) systems may perform less well in that they are usually built for steady-state conditions and run at consistent speeds. In order to improve a load-responsive VCR system’s flexibility, energy efficiency, and response to changing cooling …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 2, 2025 · pp. 32–37 Read article
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Computational Exploration of Aristolochia indica Bioactive Compounds Against Snake Venom Proteins Using Docking and Dynamics Simulations
Abstract: Snakebite envenoming is a neglected health threat impacting millions of people each year especially in tropical and subtropical countries. Ethnomedicinal plants are sources of various bioactive compounds and have been utilised by several tribes across the world for centuries. Aristolochia indica is a perennial herb mentioned in the Indian Ayurveda with a long history of use against snake venom, scorpion venom, fevers, rheumatic arthritis, liver ailments, leishmaniasis etc. The major …
Published in Research and Reviews : Journal of Computational Biology · Vol. 15, Issue 1, 2026 · pp. 50–66 Read article
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Computational Fluid Dynamics Simulations of Horizontal Wellbore Cleaning and Cement Placement Processes in Drilling and Completions Engineering Applications
Abstract: Mathematical modeling and simulations of complex coupled processes require both robust and accurate physics-based techniques. Computational fluid dynamics (CFD) have been used extensively in a wide range of fields such as aerospace, automotive, and chemical processing industries to name a few. Typically, processes during drilling and completion of wells involve modeling of complex rheology fluids, turbulence modeling, multiphase phenomena, and heat transfer. Each individual process could possibly result in a …
Published in Journal of Petroleum Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 26–39 Read article
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Design and Control of Ethyl Acetate Production Process
Abstract: In this study, the design and control of ethyl acetate production plant has been investigated. The proposed design consists of a continuous-stirred tank reactor and two distillation columns. Ethanol reacts with acetic acid and gives ethyl acetate and water. Plant-wide operability and control of the entire process plant with decentralized controllers is explained by doing both steady state and dynamic simulations. Tray temperature control loop performance is tested for the …
Published in Emerging Trends in Chemical Engineering · Vol. 2, Issue 1, 2015 · pp. 9–20 Read article
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Dissipative Particle Dynamics Simulation Study on the Evolution of Photoinitiated Free Radical Polymerization Crosslinked Networks
Abstract: Gradient polymer materials overcome the limitations of conventional homogeneous polymers by integrating multiple distinct functionalities within a single continuous structure. Although photoinitiated free-radical polymerization offers excellent spatial and temporal control, the underlying microscopic mechanisms governing network evolution under non-uniform light fields remain poorly understood. In this study, a mesoscale dissipative particle dynamics (DPD) model was successfully developed to couple free-radical polymerization kinetics—including initiation, propagation, crosslinking, and termination—with exponential light attenuation …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 142–158 Read article
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Drug Discovery and Design: Focus on computational approaches used in the discovery and design of new drugs
Abstract: Computational approaches have revolutionized the field of drug discovery and design, offering efficient and cost-effective strategies for identifying and developing new therapeutics. This review article explores the application of computational methods in drug discovery, with a focus on virtual screening techniques, molecular docking, molecular dynamics simulations, and quantitative structure-activity relationship (QSAR) models. Virtual screening plays a crucial role in narrowing down large chemical libraries by utilizing ligand-based and structure-based approaches. …
Published in Research and Reviews : Journal of Computational Biology · Vol. 12, Issue 1, 2023 · pp. 26–30 Read article
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Dynamic Modelling, Simulation of Single-Link Flexible Robot Manipulator and its Control
Abstract: This paper presents the dynamic modelling of single link flexible manipulator based on Assumed Modes Method. Modelling of flexible robot manipulator is a challenging task because of its nonlinearity and complexity involved in the dynamics. Kinetic energy, potential energy, and dissipation energy are taken into consideration for dynamics modelling. The model is simulated using SIMULINK software by considering proper parameters and constants. Modelling dynamics is simulated by using two different …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 3, 2014 · pp. 15–21 Read article
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Simulation of Dynamic Voltage Restorer for Voltage Sag Mitigation
Abstract: In recent years, power quality is the major issue in transmission and distribution network. This paper concentrates on one of the power quality problem, such as voltage sag. A novel mitigation system is simulated using Dynamic voltage restorer (DVR). The proposed system is boosting the sagged phase voltage by deriving the voltages from other healthy phases. The system is designed with two ac chopper circuits and two transformers. The voltage …
Published in Trends in Electrical Engineering · Vol. 5, Issue 2, 2015 · pp. 7–13 Read article
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Comparative Study of various Commercially Available Programs in Slope Stability and Simulation of Dynamic Loading
Abstract: Analysis of slope stability is carried out to identify the most critical failure plane so as to minimize the occurrence of slope failures and landslides. It is always needed to give serious consideration before any construction or development is executed to ensure that the designed slopes remain stable. Slope failure can be determined through appropriate measurement of slope stability. In this study C-programming and GEO4 and Plaxis 2D software have …
Published in Recent Trends in Civil Engineering & Technology · Vol. 3, Issue 2, 2013 · pp. 16–30 Read article
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Binary Distillation Design and Control
Abstract: This paper discusses design and control strategies of binary distillation process using ASPEN PLUS V8.8 simulating tool. Steady state design procedure for binary distillation column design to separate acrolein and propylene is explained. Dynamic simulations were conducted by designing control structure. The developed control structure contains level controllers, pressure controllers and temperature controllers. The developed control structure has shown good performance in withstanding the various process disturbances.
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 3, 2016 · pp. 19–25 Read article
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Reactive Distillation Design and Control
Abstract: This study deals with the design and control strategies of reactive distillation process. Steady state design including phase equilibrium and chemical equilibrium were studied. Dynamic simulations were conducted by designing control structure. The developed control structure contains level controller, pressure controller, temperature controller. The developed control structure has shown good performance in withstanding the various process disturbances
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 3, 2016 · pp. 31–39 Read article
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Design and Control of Acrolein Production Process
Abstract: In this study, the design and control of acrolein production plant has been investigated. The proposed design consists of a reactor and two distillation columns. Propylene reacts with oxygen and produces acrolein, acrylic acid, carbon dioxide and water. Plant wide operability and control of the entire acrolein production plant with decentralized controllers are explained. Tray temperature control loop and composition control loop are designed to infer final product purity. From …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 2, 2014 · pp. 27–34 Read article
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Dynamic Modeling and Simulation of Multi-Body Mechanical Systems: A Comprehensive Review of Methods, Tools, and Applications
Abstract: The dynamic modeling and simulation of multi-body mechanical systems (MBS) form a cornerstone in modern mechanical engineering, enabling in-depth analysis of the kinematic and kinetic behaviors of interconnected rigid and flexible components. MBS are foundational to a range of critical applications, from automotive suspensions and aerospace mechanisms to robotics and biomechanical structures. As system complexity and performance requirements increase, accurate and scalable modeling techniques are essential for both design validation …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 3, Issue 1, 2025 · pp. 35–42 Read article
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Design and Control of Acetaldehyde Production Process
Abstract: This paper discusses the steady state and dynamic simulations of acetaldehyde production process by using Aspen Plus and Aspen Dynamics. The model developed in the present study is the modification of the process developed by Eastman Chemical Company of U.S. Patent 6,121,498. The proposed design consists of a FEHE (feed effluent heat exchanger), reactor, absorption column, compressors and two distillation columns. Acetic acid reacts with hydrogen and gives acetaldehyde as …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 11–21 Read article
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Multi-phase Flow Simulation Using Computational Fluid Dynamics
Abstract: Computational fluid dynamics (CFD)-based multi-phase flow simulation is a fast developing topic with broad applications in many scientific fields and industry. An extensive account of current developments, difficulties, and uses in multi-phase flow simulations is given in this review paper. Important modeling strategies, numerical methods, validation procedures, and new developments in CFD-based multi-phase flow analysis are covered. This paper is to contribute to the ongoing development and use of CFD …
Published in International Journal of Machine Systems and Manufacturing Technology · Vol. 1, Issue 2, 2023 · pp. 28–34 Read article
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Numerical Simulation of Crack Growth in Dynamic Loading Conditions
Abstract: Because it is crucial for forecasting structural failures in engineering applications, crack formation in materials under dynamic loading circumstances has become a crucial study topic. In this work, finite element methods (FEM) are used to numerically simulate fracture propagation in dynamic stress situations. The impact of loading rates, material characteristics, and crack geometries on crack growth patterns are assessed in a thorough parametric research. The work uses sophisticated computational methods …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 2, Issue 2, 2024 · pp. 30–34 Read article
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Computational Simulations in Drug Discovery: Modeling Protein Folding and Drug Binding
Abstract: Computational simulations have become essential tools in drug discovery, offering unprecedented insights into molecular behavior at the atomic level. These simulations, particularly in the domains of protein folding and drug binding, allow for the exploration of complex biological systems that are often difficult to study experimentally. Protein folding, a critical aspect of drug discovery, involves the transition of a polypeptide chain from an unfolded to a biologically active structure. Understanding …
Published in Research and Reviews : Journal of Computational Biology · Vol. 14, Issue 1, 2025 · pp. 23–29 Read article
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Implementation and Simulation of High-Speed Dynamic Latch Comparator for ADC
Abstract: As per emerging issues in analog-mixed signal (AMS) design towards high-speed and low power, limits the performance of high-speed applications. Circuit complexity, speed, offset voltage and resolutions are essential parameter of comparator that affects the analog-to-digital converter (ADC) performance. Based on specifications, to achieve lower offset voltage and higher load drivability of latched comparator is presented. Moreover, the circuit is able to reduce power dissipation as the topology is based …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 99–103 Read article
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Modulating Immune System of Mosquitoes with A Novel Salicylate Derivative: A Bioinformatics-Based Study
Abstract: The present study aims to compare the interactions of a novel derivative of salicylic acid, 5-(2-nitroethynl) salicylic acid (5-SANA, salicylic acid nitroalkene), and salicylic acid with the critical residues of mosquito’s juvenile hormone binding protein (mJHBP). Given the better water solubility of 5-SANA and salicylic acid, it is believed that they can interact quicker than the natural substrate, juvenile hormone (JH), with the cavity of mJHBP, a circulating protein in …
Published in Research and Reviews : A Journal of Immunology · Vol. 16, Issue 1, 2026 · pp. 1–5 Read article
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The Effect of Methanol on 512 Methane Hydrate Cage Cluster ¬– A Molecular Dynamics Study
Abstract: Molecular dynamic simulation study of methane hydrate cluster having 27 methane encapsulated pentagonal dodecahedron (512) hydrate cage with and without presence of eight methanol molecules in supercell has been performed to evalute the effect of methanol on the stability and formation of methane hydrate cluster. Methanol is found to act as an effective methane hydrate inhibitor below 30 atm pressure for 240 K and below 90 atm pressure for 250 …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 16–24 Read article