Download more than 100 examples of thesis, proposal and project topics about linear differential in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Abstract The differential equations that appear in physical problems are often non-linear, and their exact solution is necessary to obtain the solution. Since most of the nonlinear differential equations do not have an analytical solution, the numerical solution methods of these equations seem useful for things like plasma physics. For this purpose, in this thesis, the numerical ...
Master's thesis in the field of road, building and environmental engineering - hydraulic structures Abstract In this research, nonlinear wave differential equations are solved by the local RBF-DQ numerical method. These differential equations are in the form of Laplace's equation (as a governing equation) and nonlinear boundary conditions on the free surface; The basis of the ...
Master's Thesis in Mechanical Engineering, Applied Design, Abstract In this research, an analytical solution is presented to show the size dependence and the effect of temperature difference on nonlinear free vibrations and post-buckling behavior of microtubes containing current. Based on Euler-Bernoulli model, strain gradient theory, Couple's stress theory and von-Carman ...
Dissertation for master's degree in Applied Design-Dynamics and Control Abstract: Transverse instability is one of the common problems in high-speed rail vehicles, which occurs on rails without arches and due to the friction-creep nature of wheel-rail contact that creates non-conservative forces in the system. This phenomenon is called hunting, which is a type of ...
Dissertation for the Master's degree ""M.A"" Major: Educational Psychology Farsi Abstract The purpose of this study was to determine the relationship between parenting methods and personality traits with resilience in adolescence. The statistical population of the research was female secondary school students of one Khorramabad district in the academic year of 1392-1393. The ...
Master's thesis in electrical engineering, control trend, abstract of new methods of identifying errors in systems, such as the use of qualitative analysis of events, can lead to tangible and understandable results for everyone. The gas turbine system is one of the systems in which there is a possibility of many errors. And sometimes even modeling them with mathematical methods ...
Dissertation for Master's Degree in Electrical Engineering (M.Sc) Abstract The power system stabilizer is added to the excitation system in order to improve the damping of the power system during low frequency disturbances. For large-scale power systems that include a large number of connected generators, setting the power system stabilizer parameters will be a complex and ...
Doctoral thesis in the field of computer engineering (artificial intelligence) Abstract Understanding and extracting information from images and videos is the common thread of the majority of problems related to machine vision. Finding the main and useful parts of a movie and modeling the actions between these parts is one of the main goals of movie analysis. In the last decade, ...
Master's Thesis in the field of electrical engineering- control, abstract assessment of the transient stability of power systems using the data of phasor measurement units, quick assessment of security in power networks in emergency situations and the occurrence of various errors, is a vital thing to prevent collapse and create nationwide outages. Therefore, the evaluation ...
Dissertation for master's degree in electricity, power orientation Abstract: The production of electrical energy for power systems with the aim of minimizing the total cost of production for active units in the power network is one of the most important topics for today's modern systems. In other words, the purpose of economic load distribution is optimal and appropriate ...
An academic thesis for receiving a master's degree in chemical engineering, environmental orientation. Among the models that are able to make successful predictions for the performance of reverse osmosis membranes, that is, the amount of separation and flow flux in a wide range of physical conditions (membrane and solution) and laboratory conditions (pressure and concentration), ...
Master's Thesis in Electrical Engineering, Power Orientation Abstract In this thesis, while investigating the phenomenon of saturation in protective CTs, the problems related to the detection of this phenomenon and the compensation of CT secondary current have been discussed, and in order to solve the problems raised, methods have been introduced and the results have been ...
Dissertation for receiving a master's degree in electrical engineering, electronics orientation. Chaos theory was founded at the end of the 20th century by Lorentz. Chaos science investigates non-linear systems and their behavior in different conditions. Since the systems around us are mostly non-linear, by creating feedback in them, they may show chaotic behavior, so chaos ...
Master's Thesis Abstract In this project, the coat cracker unit of Abadan refinery has been simulated using Hysys refinery software. In simulating and receiving information, feed properties and solving mass and energy balance equations have been used. Simulation data and operational data of Abadan Cat Cracker unit have been compared. Also, by changing some important operational ...
Master's Thesis of Mechanical Engineering-Applied Design Abstract In many applications, graphene (monolayer or multilayer) is used in the polymer matrix as a composite. In this research, ideal graphene with a hexagonal bond shape between atoms, located in a polymer matrix, with different boundary conditions, including gripped and simple, under biaxial external compressive ...
Master's Thesis in the field of Electrical Engineering - Control Abstract Evaluation of the transient stability of power systems using the data of phasor measurement units by the efforts of Hanieh Mohammadi Rapid evaluation of security in power networks in emergency situations and the occurrence of various errors is a vital thing to prevent collapse and create nationwide ...
Dissertation for Master's Degree in Electrical Engineering (M.Sc) Major: Power System Abstract Stabilizer is added to the excitation system in order to improve the damping of the power system during low frequency disturbances. For large-scale power systems that include a large number of connected generators, adjusting the power system stabilizer parameters will be a complex and ...
Master's thesis in the field of mechanical engineering, energy conversion trend. Abstract: Considering that heat transfer is widely used in various fields of science, it is necessary to use wide recessed or raised surfaces due to physical and spatial limitations in electrical systems. The main purpose of using these surfaces is to increase heat transfer by increasing the ...
Dissertation for M.Sc Master's degree, mechanical engineering-applied design Abstract With the emergence of composite materials, a huge progress was achieved in many engineering applications. Nevertheless, problems such as delamination, stress concentration, and discontinuous distribution of stress, the idea of ??creating a new type of composite materials in which properties ...
Master's Thesis in Electrical Engineering, Power Orientation Abstract In this thesis, while investigating the phenomenon of saturation in protection CTs, the problems related to the detection of this phenomenon and the compensation of CT secondary current have been discussed, and in order to solve the problems raised, methods have been introduced and the results have been ...
Thesis Mechanics to get a Master's degree Abstract: First, the solution of Volterra-type anti-plate displacement in a rectangular plate with limited length and width and different boundary conditions is obtained by the method of separation of variables. Then, the distributed displacement technique is used to obtain the integral equations related to the rectangular plate weakened ...
Submitted for Master's Degree Submitted for Master's Degree Abstract In addition to lateral instability, one of the major threats to passenger cars, especially SUVs, is the risk of overturning. In this thesis, a coordination strategy based on fuzzy logic is designed for the integrated operation of active steering, differential, brake and anti-roll bar subsystems. Separate ...
Dissertation for Master's degree (M.Sc) in the field of electrical-power engineering. Abstract In this thesis, the design of a resistant controller in power electronic circuit breakers and its comparison with linear control methods have been examined. The main goal of research and development in this field is always to find the most suitable control method in order to implement ...
Master's Thesis in Electrical-Control Engineering Abstract In this article, diagnosis, reconstruction and fault prediction of nonlinear systems with uncertainty are investigated. The diagnostic criterion is the residual signal calculated from the difference between the system output and a sliding mode viewer. The idea of ??sliding mode is to compensate the effect of ...
Master's thesis in the field of civil engineering, structural orientation. Abstract In this study, the evaluation and comparison of nonlinear and numerical analysis of deep reinforced concrete beams with openings without reinforcement with deep concrete beams with openings reinforced with FRP sheets and deep reinforced concrete beams without openings by Abaqus finite element ...
Master's thesis in the field of civil engineering, soil and foundation, today, due to the progress of the tunneling industry, the need to analyze and design underground structures in rocky environments is felt more than in the past. Although there are many numerical and practical software available in this field, none of them are complete and perfect in all fields, and each of ...
To obtain a master's degree in the field of civil engineering - structural orientation. Abstract: The subject of this research is to investigate the level of performance and accuracy of methods based on non-linear static analysis and the need to retrofit steel buildings with a dual system of bending frame with cross brace and convergent 7-shaped brace designed with the 2800 Iran ...
Master's thesis in the field of chemical engineering (simulation and process control) abstract design of the control system for the fluidized bed reactor for the production of linear light polyethylene of the LLDPE unit of Jam Petrochemical under the license of Basel and Spherilene technology with an annual production capacity of 300,000 tons of product is one of the largest ...
Dissertation for Master's degree (M.A) specialization: ""Insurance Management"" Abstract of the thesis (including summary, objectives, implementation methods and results obtained): Due to the very poor coverage of basic treatment in the dental insurance sector, such services are considered as luxury services for people and the health indicators of oral and dental health in Iran ...
Dissertation for Master's Degree in Mechanical Engineering (Applied Design) Abstract: Electromechanical micro and nano systems have been noticed due to their distinctive features and unique characteristics, mainly in the two fields of sensors and sensors, in various sciences such as mechanics, aerospace and medicine. Electrostatic stimulation is one of the simplest and most ...
Abstract: The design of output resistant static controller to achieve fuzzy tracking for nonlinear systems described by Takagi-Sugno T-S model. The subject of this thesis is related to the problem of designing output resistant static controller to achieve fuzzy tracking for systems with time delay and uncertainty that can be modeled by Takagi-Sugno (T-S) fuzzy modeling. The ...
Master's degree in electrical engineering, control orientation, electrical engineering, control orientation, abstract. Today, chemistry and oil and gas extraction and refining is one of the most important economic and productive support points of countries. One of the most common processes in refineries is the separation of chemicals. This is done using separator towers. The ...
The thesis for obtaining a master's degree in the field of mechanics, investigating and analyzing the free and forced vibrations of a multi-walled carbon nanotube placed in an elastic medium in order to achieve a clear mathematical understanding of the behavior of different walls of the nanotube under the influence of van der Waals forces and the elastic medium is one of the ...
Dissertation for the M.Sc. In the field of electrical engineering, power electronics, abstract: The material that is analyzed in this thesis in order to simulate and implement the buck converter nonlinear controller is presented in four chapters. In general, the buck converter and the relationships governing it and the studies conducted on the buck converter and a control method ...
Dissertation for M.Sc Master's Degree, Mechanical Engineering - Applied Design Abstract Modern wind turbines today tend to vibrate a lot due to their elastic, long and narrow structure. Therefore, all components of wind turbines should be subjected to vibration and modal analysis in the design stages, and their natural frequencies should be reviewed with turbine excitation ...
Master's Thesis in Mechanical Engineering - Applied Design Abstract of elastoplastic analysis of thick-walled tanks made of targeted materials with linear kinematic stiffness behavior under cyclic loading, stress analysis and deformation of spherical thick-walled tanks made of subject materials under internal pressure loading and temperature difference are discussed in this ...
Presented to obtain a master's degree in the field of mechanical engineering-applied design orientation. Abstract In this research, we investigated the free vibration of a cracked beam and found its natural frequencies. In the first part, by using the open crack model, by modeling the cracked part as a beam-shaped element and satisfying the boundary conditions, we obtained the ...
Dissertation for Master's Degree in Educational Psychology Spring 2019 Abstract Concept map is one of the teaching-learning strategies that can facilitate meaningful learning in students and relationships
Abstract The main purpose of the research is to investigate the relationship between business strategy and profit quality in companies admitted to the Tehran Stock Exchange market. The statistical sample of the research includes 145 companies accepted in Bo
Abstract The main purpose of the research is to investigate the relationship between business strategy and profit quality in companies admitted to the Tehran Stock Exchange market. The statistical sample of the research includes 145 accepted companies
Dissertation for obtaining a master's degree in civil engineering. 2013 Winter Earthquake Abstract of earthquakes close to the fault due to having pulse type movement with a long period at the beginning of the record, including
Dissertation for receiving a master's degree in the field of structural oriented civil engineering, 2013, although the construction and design methods of structures have expanded over the years, but still the effect of earthquakes is one of the most important.
Thesis of master's degree in civil engineering, soil and foundation mechanics orientation, September 2019, abstract: analysis of dynamic interaction between soil and structure (due to the mutual effect of the structure and its retaining soil on each other), D
Master's degree thesis of Master's degree: MBA ???? Abstract: In recent years, the importance of the experience of buying pleasure
Dissertation for Master's Degree in Civil Engineering – Shahrivar Marine Structures, September 1992 Abstract: Pipe-in-pipe systems are widely used in transmission line applications.
Master's Thesis in Geophysics – Seismology 2019 introduction of spectral acceleration maps by probabilistic method for Iran in the range of 44-54 geographic longitude and 40-26-5 geographical latitude based on the analysis
Dissertation for obtaining a master's degree in civil engineering – Spring 2014 structure trend, first chapter, general research 1-1- Introduction: Mostly structures for severe earthquakes and surface acceptance
Dissertation of master's degree in structural engineering, February 2011 Abstract: In the optimal civil engineering structure construction for static loadings have been significantly developed. But, in
Dissertation of Master's Degree in Civil Engineering – Earthquake Engineering 2013 Abstract: Concrete beam and slab bridges with neoprene supports are among the most common highway bridges in the country.
Dissertation for master's degree in civil-structural field winter 2012 Abstract In recent years, the number of buildings that have suffered damage due to the loss of their gravity-bearing members has increased. Therefore, it has become important to design structures so that they are resistant to progressive damage in addition to the effects of earthquakes. One of the factors ...
Dissertation for obtaining a master's degree (M.A) Business Management - Marketing Orientation Summer 2019 Abstract Considering the ever-increasing speed of changes and competition in the economic world, managers should have
Dissertation for obtaining a master's degree in the field of painting in February ???? Abstract Shahnameh Madhi is a Shahnameh that was prepared by Ottoman artists in the first half of the 17th century. Introduction of this K
Master's Degree in Architectural Engineering (M. A) June 2013 Abstract: This article is taken from a research that aims to identify the factors affecting the communication of spaces.
Master's Thesis in Civil Engineering - Structural Orientation, February 2013 Abstract: The performance of a building during an earthquake depends on many factors, as a result, predicting the seismic performance of structures should be considered either explicitly or implicitly as part of the design or evaluation. Predicting the seismic response of the structure is very ...
The thesis of the master's degree course in the field of economic sciences, February 2013, is an abstract of the prediction of effective tools and solutions for the purpose of planning and compiling financial methods. Prediction accuracy is important
Abstract Today, rice is the main food of more than half of the world's population and rice is cultivated in five continents and more than forty countries. Rice is one of the main meals of the people of Iran, until 1340, Iran exported more or less rice annually, and since then, as a result of the improvement of the economic situation of the people and the rapid increase of the ...
Master's thesis in the field of accounting, abstract of the study of the relationship between the renewal of financial statements and the growth of companies admitted to the Tehran Stock Exchange. The renewed financial statements clearly and explicitly send a message and a sign to the users about the unreliability of the financial statements of the past periods. Therefore, ...
Dissertation for master's degree in accounting, accounting major. Abstract: The present research was conducted in order to provide evidence regarding the effect of ""privatization"" on the quality of profit of companies admitted to the Tehran Stock Exchange. The spatial domain of this research is Tehran Stock Exchange and its temporal domain is 1382 to 1392. In order to test the ...
Dissertation for receiving a master's degree, Major: Accounting, Abstract: Considering the importance of the liquidity of companies' shares in the capital market, the present research seeks to investigate the factors affecting liquidity. In this regard, the impact of dividend policies on the liquidity of companies' shares has been tested. In this research, multiple linear ...
Master's Thesis in Family Counseling Abstract: The present study was conducted with the aim of investigating the relationship between emotional intelligence of female teachers and violence against them. In addition, subscales of emotional intelligence were used to predict violence against female teachers. For this purpose, 280 female teachers were selected by cluster sampling ...
Master's Thesis of Industrial Engineering, Financial Orientation, November 2013. Abstract: Evaluation of the performance of organizations and intra-organizational units is a necessary tool for their continued life and growth. Among various models and techniques.
Dissertation of Master's Degree in Industrial Engineering – Summer Industries 2013 Abstract A supply chain is a collection of suppliers, manufacturers, and distributors.
Master's thesis in the field of accounting. Abstract This thesis is an effort to investigate the management of mutual funds and their performance. In this regard, Carhart's four-factor model has been used to calculate the performance of investment funds, and the effect of fund management, which is obtained through the variance of the difference between the fund's return and the ...
Dissertation for receiving a master's degree, specialization: accounting, abstract of the theory of dividend irrelevance predicts that in efficient capital markets, dividend policy should not have an impact on investment decisions. While in the inefficient markets, the restrictions on the supply of foreign funds that come from asymmetric information can force companies to ...
Thesis for receiving the degree of M.Sc. Industrial Engineering-Industrial Engineering Summer 2013 Abstract: In today's age, are there fewer companies? It can be seen that it is exclusively related to the production of a product.
Dissertation for Master's Degree in Industrial Engineering, Industrial Orientation, Esfand 90, Abstract Today, due to the progress in technology, the globalization of markets, the diversity of customer demand, and the increase
Dissertation for master's degree in accounting research abstract: The purpose of financial reporting is to provide appropriate information for decision making by the users of financial information. Financial reporting may take the form of financial statements or other information transfer tools. Much of the information provided by financial reporting is based on predictions ...
Dissertation for Master's Degree (M.A.) Major: General Abstract The purpose of this research was to predict children's mental health and resilience based on marital satisfaction and mothers' attachment styles. The method of the present research was descriptive correlation of the predictive type. The statistical population of this research is made up of all the 10-12-year-old ...
Dissertation for Master's Degree in Clinical Psychology Abstract In this research, the moderating role of coping strategies and social support in the relationship between quality of life, psychological symptoms and parenting styles has been examined and 120 female heads of households in Alborz province were selected as the research sample. Research evidence and the results of ...
Dissertation for Master Degree (M.A.) Direction: General Abstract The relationship between personality traits and addiction to computer games was tested on a sample of 400 students (200 men and 200 women). In the present study, it is assumed that five personality dimensions (neuroticism, extroversion, openness, agreeableness, and conscientiousness) can predict addiction to ...
Dissertation for receiving a master's degree, Major: Accounting Abstract: In this article, we seek to predict and provide a solution to find the added economic value of companies admitted to the Tehran Stock Exchange market. The basis of the predictions made in this research is the information of the audited financial statements. The data used are the data between 1382 and 1387. ...
A master's thesis in the field of psychology and education of exceptional children, examining the dimensions of cognitive processing in students with learning disorders. The aim of this research was to examine the dimensions of cognitive processing in students with learning disorders. For this purpose, 120 children (82 boys and 38 girls) aged 7 to 13 years were selected by ...
Dissertation for Master's Degree in Psychology (M.A) Major: General Abstract The purpose of this research is to investigate the relationship between the perception of God and social identity in the lifestyle of students and employees of the Islamic Azad University of Dere Shahr and tries to answer the question of whether there is a relationship between the above-mentioned ...
Dissertation for Master's degree (M.A.) field and direction: Accounting Abstract: The subject of this thesis is ""the effect of profit management on the relationship between corporate governance and profit quality"". In this research, the relationship between profit management and profit quality, corporate governance and profit quality, profit management and corporate governance ...