Download more than 100 examples of thesis, proposal and project topics about linear vibration analysis in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
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 ...
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 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 ...
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 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 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 ...
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 (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 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 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 Civil Engineering – Earthquake Engineering 2013 Abstract: Concrete beam and slab bridges with neoprene supports are among the most common highway bridges in the country.
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 in the field of civil engineering, structural orientation. Abstract: Investigating the effect of span length on bridge behavior under the simultaneous effect of horizontal and vertical components. Among all types of structures, bridges are one of the pillars of vital arteries that need to be used after an earthquake to provide access to hospitals, fire stations, ...
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 ...
Dissertation for Master's Degree in Civil Engineering, Structures Chapter 1: Introduction-1-Introduction In recent years, the philosophy of traditional methods, which were based on the design of structures against natural hazards, has undergone major changes. Extensive destruction of structures designed on the basis of old regulations in recent earthquakes, advances in analysis ...
Dissertation for receiving a master's degree in the field of civil engineering in the field of earthquakes. Abstract: The introduction of damage generators is very close to the concept of inelastic behavior and, as a result, hysteresis energy. Therefore, it can be said that the hysteresis energy at these levels can be a significant criterion for the design or control of the ...
Dissertation for Master's Degree in Civil Engineering - Structural Orientation Abstract: The most basic goal in the seismic design of structures is to prevent the structure from collapsing during severe earthquakes, which is the basis of the governing theory of seismic behavior, the result of investigating the nonlinear behavior of the structure during an earthquake and the ...
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 ...
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 ...
Master's thesis in the field of mechanics, specialization: mechanical engineering - energy conversion. Abstract: One of the most important components of fluid transmission systems are control valves, which can be seen in different routes of oil and gas transmission pipelines, etc. In control valves, the most important issue is the property of the flow in order to achieve the ...
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 ...
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 ...
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 ...
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 ...
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 ...
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
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 ...
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 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 ...
Thesis for obtaining a master's degree in the field: business management, orientation: financial management. Abstract In today's world, due to the increasing speed of science and knowledge, organizations are forced to use communication technology to adapt to the changing environmental conditions, and in this direction, they must invest. With the entry of a telecommunication ...
Doctoral Dissertation of Soil and Foundation Mechanics Abstract In this research, the discrete element method was used to analyze the wave propagation and investigate the factors affecting the wave speed in granular soils. The method of separate elements is important due to the possibility of preparing completely similar samples and checking the effect of changes of a certain ...
Dissertation for receiving the master's degree ""M. Sc."" Field: Agricultural Engineering Major: Water Structures Abstract The sediment transfer process is a completely complex, variable and non-linear phenomenon. So that the behavior of the river in the sediment transfer capacity for a certain discharge is different in different times. Therefore, due to the complexity of the ...
Dissertation for receiving a master's degree in the field: civil engineering, orientation: structure. Abstract: In this paper, a new approach for optimal selection of acceleration maps and their scaling to perform dynamic time history analysis, to achieve the average response spectrum that has a suitable match and a small distance with the target spectrum and represents the ...
Master's Dissertation of Discontinuous Structure Abstract: In recent years, the use of composite material in the construction and strengthening of structures has expanded greatly. The structure of this material is such that there is a possibility of crack formation between the layers. Due to the increase in load, these cracks grow and cause a sharp drop in the strength and ...
Master's Thesis (M.Sc) in Civil Engineering majoring in Engineering and Construction Management Abstract: The transportation industry as a vital artery and an important economic, social, cultural and political connecting link has always been considered and the strategic role and sensitivity of this industry in providing services that meet the needs of various sectors of society ...
Master's Thesis of Structures Abstract In the welding process, after a stage of cooling of the body, due to the uneven distribution of temperature, stresses remain in it, which are called residual stresses. To obtain these stresses, the temperature history of the object during the welding process must be available. For this purpose, first a thermal analysis is done to obtain the ...
Dissertation for Master's Degree in Civil Engineering - Earthquake Engineering Abstract The city of Birjand, as the capital of South Khorasan province, is located in the structural zone of Sistan, which is particularly sensitive due to its proximity to seismic and fundamental faults (Neh Khawri and Westi faults in the south, Ardkol fault in the northeast, Nawaz fault in the ...
Dissertation for Master's Degree in Civil Engineering, Marine Structures, Abstract: Tension-based platforms are among economic marine platforms for use in deep waters. The correct prediction of the platform's dynamic response to environmental loads is very important in its economic and safe design. In this research, the dynamic behavior of the tension base platform under the ...
Dissertation to receive M.Sc degree in civil engineering, structural orientation. Abstract: One of the ways to strengthen the building against lateral loads is the use of a wind system (convergent or divergent). The increasing use of steel braces to deal with earthquake forces requires that the seismic performance of these types of systems be given more attention. The common ...
Master's thesis in the field of business management, financial orientation. Abstract In this research, as an example, forecasting the timing of stock transactions of 17 active companies in the Tehran Stock Exchange was carried out. In this way, firstly, the primary data, which includes 3 variables of the final price, the lowest price and the highest stock price during the period ...
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 ...
Department of Business Management Thesis for Master's degree (M.A.) Abstract Today, all managers in all organizations want to make optimal use of the facilities and capacities available in different departments. Therefore, the existence of a model to provide feedback in order to improve various branches of organizations and to obtain a tool to meet the needs of managers seems ...
The thesis for obtaining a master's degree in the field of mechanical engineering, applied design, is an abstract of the experience of losing a limb. The full understanding of this feeling will be possible only when a person loses a limb. Obesity and longer life expectancy have increased the number of knee replacement implants [1]. Due to the increase in life expectancy as well ...
Master's Thesis in Telecommunication Electrical Engineering (Field Orientation) Abstract Analysis and simulation of metamaterial reflective array antenna at terahertz frequency In recent years, microstrip reflective array antenna has attracted a lot of attention and has been studied by many researchers. Because this antenna combines the outstanding features of array antenna and ...
Dissertation for Master's Degree in Mechanical Engineering Field: Applied Design Abstract In this thesis, stability analysis of composite beam reinforced with carbon nanotubes on elastic support under axial force is investigated. The distribution of nanotubes is assumed to be uniform[1]. To determine the properties of materials reinforced with nanotubes, the results of molecular ...
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 ...
Master's Thesis in Mechanical Engineering (Applied Design) Abstract of Gas Turbine Rotor Stress Analysis Using Continuous Damage Mechanics In this thesis, Lometer's unified model based on continuous damage mechanics is used to model the stress-strain behavior of a gas turbine rotor sample. The unified damage law, which is used to model creep-fatigue interaction, is based on the ...
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 ...
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 ...
Master's Thesis in Mechanical Engineering (Applied Design): Abstract of the analysis of leading damage in pin connections of composite materials. The purpose of this research is to analyze the leading damage in pin connections of composite materials. To do this, finite element software ABAQUS and FORTRAN programming have been used. The contact between the composite plate with ...
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 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.
Master's degree thesis of Master's degree: MBA ???? Abstract: In recent years, the importance of the experience of buying pleasure
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 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 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
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 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 ...
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 ...
The final performance (dissertation) to obtain the master's degree in the field of world music playing in July 2013. Abstract During the last years, many efforts have been made in the field of comparing the two instruments of violin and violin.
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. ...
Dissertation for Master's Degree (M.A.) Major: General Examining the relationship between mental health and academic progress in a group of middle school girls taking into account the employment status of mothers; Shiraz 2013 Abstract: The present study was conducted in order to investigate the relationship between mothers' employment and mental health and the academic progress ...
Dissertation for receiving a master's degree, specialization: accounting, abstract: according to the efficient market theory, one of the characteristics of an efficient and ideal market is the absence of transaction costs and, as a result, high liquidity. With the increase in liquidity, the cost of transactions will decrease significantly. Liquidity also plays an important role ...
Master's Thesis in Urban Affairs Management Abstract Municipality is one of the most key organizations that plays an important role in providing urban services to citizens. By applying the knowledge of information technology and telecommunication systems as well as the ability of internal and experienced specialists in urban management, this organization has created a system ...