Download more than 100 examples of thesis, proposal and project topics about free vibration in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
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 ...
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 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 Mechanical Engineering-Applied Design Abstract In this thesis, classical sheet theories, first-order shear deformation theory and refined two-variable theory for the free vibration problem are investigated using standard finite element and hierarchical finite element methods. The refined two-variable theory is an equivalent single-layer theory, in which two ...
Mechanical Engineering - Applied Design Orientation Abstract: Vibration is one of the important and basic concepts in engineering sciences. In simple words, any system that has mass and spring property has the ability to vibrate and can vibrate at a natural frequency. It can be said with certainty that 95% of vibrations in industries are harmful to systems. If the system is in ...
Master's Thesis on Car Structure and Body Abstract In recent years, many researchers have allocated their attention to a special category of materials, memory materials. The ability to absorb and control vibrations actively or passively, respectively, is affected by the features of shape memory and hysteresis energy loss caused by the pseudo-elastic characteristics of these ...
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 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.
Thesis for Master's Degree in Industrial Management Abstract Maintenance and repairs play an important role in maintaining reliability, availability, product quality, reducing risk, increasing efficiency and security of equipment. Manufacturing companies are always trying to reduce production costs. One of the basic costs of these enterprises is the cost of repairs, which mainly ...
Master's Thesis of Computer Engineering - Computer Architecture Abstract With the advancement of electronic device manufacturing technology and the cost-effectiveness of large-scale sensor networks, wireless sensor networks provide research fields with rapid growth and great interest, which have attracted a lot of attention in recent years. Large-scale wireless sensor networks ...
Dissertation for Master's Degree in Civil-Structural Engineering Abstract In our country, most of the structures and maybe all the conventional buildings are analyzed and designed independently, which means that these structures are mainly analyzed and designed by conventional software and considering a rigid or articulated support, and then the forces obtained at the base of ...
Dissertation for Master's Degree in Mechatronics Engineering Persian Abstract The purpose of this project is to introduce a new approach for troubleshooting gas transmission pipelines using mechanical waves, which is much cheaper and easier than other methods. who are currently working. These lines are usually located in difficult environmental conditions and far away and in ...
Abstract Underground facilities are an integral part of modern society and are used for many applications, including subways and railway lines, highways, material storage and water and sewage transportation. is used Underground facilities built in areas affected by earthquake activity must withstand both earthquake and static loading. By reviewing the historical cases of ...
A master's thesis in the field of civil engineering - hydraulic structures Abstract Liquid storage air tanks are used not only to store water, but also to store chemicals and toxic substances in different forms. Considering the use of these structures in civil and urban development and industrial networks, their importance is determined before and after the earthquake. The ...
Abstract This thesis deals with uncertainty estimation in robust control of robotic arms and presents new methods based on voltage control strategy for uncertainty estimation. The voltage control method is much simpler compared to the conventional torque control method, because it does not require a complex non-linear model of the robot. As a result, the volume of controller ...
Master of Chemistry (Chemistry-Physics) Abstract In the present work, the theory of stable structures, bond energies and interactions in H2SO4...HNO...(H2O)n clusters (n = 0-2) were studied at the MP2/aug-cc-pVDZ computational level. The presence of one and two H2O molecules strengthens the interaction between HNO and H2SO4 molecules, and this indicates the positive role of H2O ...
Mechanical Engineering Master's Thesis Proposed Design - Introduction The use of fibers in concrete started about 50 years ago and day by day their use in various fields has increased. Adding fibers to the mixing design improves the mechanical properties of concrete and the behavior of the structure after cracking. It also increases the softness and malleability of the section. ...
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 ...
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 ...
Master's thesis in the field of mechanical engineering - applied design approach. Abstract: Identifying the stiffness and damping coefficients of a beam support. By: Majid Abedi. Supports and connections play a fundamental and important role in engineering structures. It is necessary to identify different support parameters. Stiffness and damping parameters are the most ...
Dissertation for Master's Degree in Mechanical Engineering, Applied Design, Abstract: Microbeams are used as the main element in most sensors and actuators. In some cases, such as micro switches, this member may also be used in an environment containing fluid. Therefore, in this article, we analyzed the dynamic behavior and frequency analysis of a micro beam that is located in a ...
Dissertation for M.Sc Mechanical Engineering - Applied Design Orientation Abstract Bearings are widely used in various industries including automobile and aircraft industry. Therefore, it is important to check the bearings, therefore, in this research, the hardness matrix of the angular contact ball bearings has been investigated. In this research, the equations governing the ...
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 ...
Abstract Considering the sensitivity of the geographical location and the potentials in the Azad Qeshm Special Zone and the idea of ??improving the level of social interactions with other regions of the country and attracting domestic and foreign investors and improving the economic relations of the organization
Thesis of master's degree in the field: business management, orientation: international marketing Academic Year: 1391-1390 Abstract: This research aims to investigate investment attraction strategies and its obstacles in industrial development from
Accounting training group, academic thesis for obtaining a master's degree, abstract of the company's capital structure is the permanent financing of the company, which is shown by long-term debt and equity. Financing methods for the continuation of activity and the implementation of profitable projects are very effective in the growth process of the company and cause the ...
Abstract: The aim of this study is the way of spending free time of Shahrized teachers with emphasis on sports activities and its relationship with job burnout in academic year 92-93. This research is of a descriptive and expressive type, and the method of collecting data and information, documentary and library studies and field studies, as well as the data collection tool, a ...
Master's degree thesis Industrial Engineering - Socio-Economic System, February 2013 Abstract During the last decades, electric energy, along with other factors of production, plays a decisive role in the country's economic growth.
Dissertation to receive a master's degree in the field of meteorology with an urban orientation. Abstract: The researches conducted in the world mainly indicate a gradual increase in the average temperature. Today, the trend of freezing temperatures is one of the most important climate parameters that are evaluated to prove climate change in a region. Analyzing the trend of the ...
Dissertation for receiving a master's degree in the field: accounting. Abstract One of the existing mechanisms in order to reduce the agency problem and reduce the information asymmetry between shareholders and managers in the capital markets is the corporate governance system. The role of institutional shareholders in corporate governance and their presence in companies has ...
Thesis for obtaining a master's degree in the field of physical education and sports science, majoring in sports physiology. Objective abstract: The purpose of this study was to investigate the effect of post-activity strengthening exercise program (PAP) on physical indicators and the 100-meter freestyle record of 10- to 14-year-old female swimmers. Method: For this purpose, 24 ...
Dissertation for obtaining a master's degree in the field of physical education and sports science, general orientation. Introduction Man is a creature that is constantly learning. In the field of movement, learning is so important that it can even be said that human life depends on it. Coaches in sports fields are looking for optimal methods of teaching skills to their ...
Dissertation for Master's degree (M.A) specialization: sports management, abstract of the thesis (including summary, objectives, implementation methods and obtained results): The purpose of this research is to investigate ""how the athletes in the national team camps spend their free time"". Necessity and importance of the research: The present research is an attempt to find out ...
The first chapter of research overview 1- Introduction The growth and development of joint-stock companies over time led to the emergence and increase of a class of capital owners who did not directly participate in the management of the companies and guided and monitored the company's affairs through the selection of the board of directors. This new development created a new ...
Abstract Gas hydrates are a group of solid host compounds that play an important role in many processes such as gas storage, transfer and separation, heterogeneous catalysis and water purification. These crystals are formed at a temperature higher than the freezing point of water and high pressure. There are different methods to calculate the free energy difference: 1) ...
Thesis for obtaining a master's degree in the field of physical education and sports science, majoring in sports physiology. Objective abstract: The purpose of this study was to investigate the effect of post-activity strengthening training program (PAP) on physical indicators and the 100-meter freestyle record of 10- to 14-year-old female swimmers. Method: For this purpose, 24 ...
Dissertation for receiving a doctorate degree in the field of physical education, sports biomechanics, abstract: Osteoporosis is a skeletal disorder in which the mechanical strength of bones is reduced and leads to bone fractures, so it is important to pay attention to methods to maintain bone strength and prevent osteoporosis. The aim of this research was to determine the ...
Dissertation for receiving the master's degree ""M.Sc."" Orientation: Biotechnology Abstract: Lipases are one of the most important enzymes in biological systems in various industries. The application of free lipase is not cost-effective in industries due to its shorter half-life. Enzyme immobilization on different bases increases stability, repeated use, ease of product ...
Dissertation for Master's Degree (M.A) Major: Sports Management Abstract: Today, the progress of any organization depends on the management of that organization, it can be said that progress and development in any organization is owed to the management system of that organization. One of the most important factors that indicate correct management and can increase the efficiency ...
Dissertation for receiving a master's degree major: Accounting Abstract: The main purpose of this research is to investigate the effect of audit quality on the relationship between free cash flow and profit management in companies listed on the Tehran Stock Exchange. In other words, in this research, an attempt has been made to answer the question whether the high quality of ...
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 ...
Dissertation for Master's Degree in Mechanical Engineering (Applied Design) Abstract In this research, the analysis of vibrations, buckling and wave propagation of wrapped nano beam under axial load on Pasternak substrate is discussed. First, the displacement and displacement field of the wrapped beam is obtained. Then, using the obtained displacement field, strain-displacement ...
The thesis for obtaining a master's degree in the field of organic chemistry, abstract protection and deprotection of functional groups is one of the inevitable steps in the synthesis of multi-functional compounds. Selective protection of carbonyl groups is very important in modern organic chemistry. 1-Diacetates are one of the basic protective groups of the carbonyl functional ...
Dissertation for Master's Degree in Plant Production Engineering - Horticultural Science Orientation Abstract This research has been done for the first time in the world to show the effects of low temperatures and its duration on the germination percentage and the amount of seed vigor. To perform this test, pollen grains of 3 early flowering, medium flowering and late flowering ...
Dissertation for Master's Degree in Agricultural Engineering - Food Science and Technology - Food Technology Abstract Vegetable oil is considered a strategic product in our country. The amount of import of this product in the country is important, and for this reason, the effort to produce crude oil extracted from oilseeds in the country, at the level of competition with its ...
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 ...
Thesis for receiving a master's degree in the field of mechanics, energy conversion, abstract: free or natural convection heat transfer is one of the most useful phenomena in industry and in the environment around humanity. Due to its wide application, this phenomenon has attracted the attention of many researchers and has prompted researchers to follow the flow of free movement ...
Dissertation for M.Sc Master's Degree, Mechanical Engineering-Manufacturing and Production Abstract Nowadays, due to the need for parts with high strength and low weight, the method of manufacturing parts has become important. Hot gas forming [1] is a new process that, due to the elimination of side operations such as welding, the total weight of the parts is reduced, the ...
Field: executive management, abstract, introduction and purpose of research: Outsourcing means finding new service providers and new methods to provide materials, goods, components and services to them with confidence.
Expert thesis Master of Civil Engineering, Structural Orientation, September 2013 Abstract Today, with the progress of science in the construction industry, many methods have been presented to improve reinforced concrete structures
Master's degree thesis of Master's degree: MBA ???? Abstract: In recent years, the importance of the experience of buying pleasure
Dissertation for the degree of ""M.A."" Field: Educational Management Abstract of the present research with the aim of knowing and analyzing Investigating the relationship between trust in management and job satisfaction of teachers in water schools
endname? Rasht Master's Degree: Civil Engineering (M.S.C.) Focus: Hydraulic Structures Academic Year 2011-2012 Summary of the Minab River, the most important river of Khan? The fresh water is in Hormozgan province. this river
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 for receiving a master's degree in the field of executive management, strategic management, June 2013. Abstract: The purpose of this research is to investigate the relationship between transformational leadership and organizational citizenship behavior of employees.
Dissertation of master's degree in information orientation, Shahrivar 1390 Abstract: Purpose: The present study is to investigate the level of information literacy of the librarians of the National Library and Records Organization of Iran
Abstract The general purpose of the research is to analyze the content of social studies books for the fourth and fifth grades of elementary school based on metacognitive skills. Descriptive research method and basically a ""research"" Content analysis " is cup
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 for receiving a master's degree. " M.Sc» Orientation: road and transportation winter 2013 Abstract Traffic analysis is a necessary and complex component Transportation systems
Dissertation of master's course in the field of educational sciences, history and philosophy of education, winter 93 Abstract: This research aims to analyze the content of moral concepts and themes in the Holy Quran and with the aim of
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 receiving a master's degree in architectural engineering, specialization: Architecture, July 2019. Abstract Children have a very special place in today's world, as far as the future of nations and their global position can be predicted based on the characteristics of their children. In advanced countries, educational methods are determined for the flourishing of ...
Dissertation for receiving master's degree (M.A) in regional planning orientation, winter 2013 Abstract: Today, many researchers pay attention to the role of tourism in economic and social development
Dissertation for Master's Degree, Field: Architecture, Orientation: Architectural Technology, Spring 2014 Abstract With the formation of cities and the development of cities and communities, the needs and demands of people in the city
Dissertation for M.Sc degree in soil and soil mechanics engineering, summer 2013, first chapter, introduction of micro candles 1-1 Micro-candles in general in dealing with problematic soils
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 ...
Master's thesis of Ardakan Shahrivar Faculty of Art and Architecture 2013 During the Safavid era, Shah Ismail declared the Shia religion as the official religion of the Safavid dynasty. Continuity and long life of this dynasty and strength
Thesis academic certificate for obtaining the master's degree Major: Architecture, architectural trend, February 2013 Abstract of the influential role of therapeutic spaces and the environment in general, in the behavior and mood of Mes children
The final research of the DBA strategic management course in Tir 1391 Abstract The purpose of this research is to determine the components of the development of the leather industry infrastructure and to develop a suitable model for the development of the leather industry infrastructure.
Thesis of master's degree in media management, winter 2013, the study of Hamshahri, Jam Jam and Khorasan online newspapers, the literature abstract of the subject in the field of online newspapers, including articles
Abstract: Today, air pollution has become one of the main management challenges in different countries of the world, so that countries, in addition to internal policies and measures, organize pollution in the field of
Dissertation for receiving a master's degree (M.A.) orientation: development economics and economic planning summer 2012, the first chapter of the plan 1-1 Statement of the research problem: T
Thesis for obtaining a master's degree in economic sciences, February 2019 Abstract: The main objective of this research is to estimate the factors that determine the intensity of trade for member countries of the Organization of the Islamic Conference in the export of foreign goods.
Dissertation for Master's degree (M.A) Major: Climatology Abstract: Geographically, Iran has little rainfall due to its proximity to the subtropical high pressure center of STHP and the prevailing weather conditions of this system. In the southern regions of the country, as a result of the longer rule of this system, the drought phenomenon becomes more acute. Rainfall changes ...
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 ...
Dissertation for obtaining a master's degree M. A) Field: Geography and Urban Planning Chapter 1 (Research Plan) 1-1- Introduction The establishment of any urban element in a specific physical-spatial location of the city is subject to specific principles and rules and mechanisms (mechanisms) which, if followed, will lead to the success and functional efficiency of that element ...
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 ...
Master's thesis in accounting, the present research was done to provide evidence to clarify the relationship between the quality of profit and the liquidity of stocks, as well as to evaluate the impact of the quality of profit on the liquidity of stocks. In this research, 96 companies admitted to the Tehran Stock Exchange in the 5-year period of 1387-1392 (with one year in ...
Dissertation for Master's Degree in Counseling and Guidance (M.A) Abstract The purpose of this study was to investigate the effect of painting therapy on the mental health of male students of primary schools in Gachsaran city. The variables of the current research were mental health with dimensions (anxiety, hostility, physicalization, interpersonal sensitivity, obsession, ...
Thesis for Master's Degree in Family Counseling Abstract The main purpose of the present study is to examine the relationship between mothers' self-differentiation with parent-child conflict and the responsibility of female middle school students. The tools used in this research are 1- Self-Differentiation Questionnaire (DSI-R) of Yonesi. 2- Parent-Child Conflict Questionnaire ...