Ethnicity and Nationalism Assignment Example | Topics and Well Written Essays - 5500 words

Ethnicity and Nationalism - Assignment Example Instrumentalist views, on the other hand, aim to understand why these ascriptive identities arise among people and how they are attached to different sets of people. They believe that it occurs due to the present nature of the state which is broken up and consists of different groups of people. Primordialists study the claims about determinacy of races by racists whereas instrumentalists study language, tribe, race, religion etc. In the modern nations that have been created today after many nations gaining their independence, it has become imperative for every government to ensure that a homogenous set of people reside there in order to maintain uniformity as well as unity. Because they needed a literate workforce, modern societies preferred consensus among the people. This further helped to bring about peace and harmony among different groups of people by involving understanding. Nationalism refers to a comprehension among various individuals living under the purview of a single nat ion; ethnicity, on the other hand, refers to the race of each human being, and the roots or the land that he and his forefathers originated from. These aspects are as different from each other as is a balloon from a rubber tree. This means that the rubber tree may belong to a particular piece of land or territory, however, the balloon may be manufactured anywhere after extracting the rubber and taking it elsewhere where there are means enough to produce balloons. Primordialists believe that people are born with certain identities and that is how they may be classified for the rest of their life. This belief falls short when it comes to people that migrate or are born in families that may not be subordinate to their culture. Over the years, a human being adapts a number of attributes to himself; he may learn a different language, may reside in a different nation or even marry into a different family from his culture or race altogether. All of this makes a big difference in his life a s he is not the same person from his roots anymore. The generations born after him, bit by bit, catch on to some more tendencies of his, thus leading to the formation of a different ascriptive identity altogether.

The Bbc And The Public Service Broadcasting Media Essay

The Bbc And The Public Service Broadcasting Media Essay John Reith had founded BBC in 1922, to inform, educate and entertain. In the 1930s the BBC expands by the construction of Broadcasting House, the first ever purpose-built broadcast center in the UK. The BBC creates an ever expanding range of radio broadcasts across arts, education and news, launches the Empire Service, and experiments with the worlds first ever regular TV service under John Logie Baird. The TV service closes during World War 2, which makes BBC radio crucial. Winston Churchill makes his famous inspirational speeches over the BBC airwaves, and BBC news becomes a lifeline for countless listeners in the UK and around the world. Radio also launches some of its long-running programs such as Womans Hour and Book at Bedtime; and creates the groundbreaking Third Programme. The 1950s is the decade of television. In 1953, 20 million BBC viewers watched Elizabeth II crowned. Following television innovations include Attenboroughs Zoo Quest, Blue Peter for children, the creation o f daily news bulletins and analysis programs such as Panorama, and the first ever British TV soap. The building of the first ever purpose-built TV center in the world takes place in the 1960s. In this decade also a momentous technological breakthrough happens, as the nation gasps at pictures of man on the moon and observes the transition to new color television. In the 1970s, Morecambe and Wise make the whole nation laugh. The Family shows us ourselves as never before in the first fly-on-the-wall documentary. Drama expands to span both the dark and the literary, from Dennis Potter to the BBC Shakespeare Project. A devastated world gives a new focus to the BBC in the 1980s. One of the largest TV audiences ever is recorded for Charles and Dianas wedding and the BBC launches its most popular TV soap of all time, EastEnders. In the 1990s BBC enters the digital age in this decade, developing a range of digital broadcasting and internet services. Also news goes 24 hours, Princess Diana do minates the documentary headlines and by the end of the 1990s, 19 million people watch her funeral. The 2000s is the digital decade, the BBC responds to audiences need to have program content anytime, any place, anywhere. The IBBC iPlayer launches successfully at the end of 2007, which gives viewers in the UK the opportunity to catch up on programs screened over the previous seven days. Also the BBC website grows fast with an average of 3.6 billion hits per month. http://www.bbc.co.uk/historyofthebbc/innovation/index.shtml 3. What are the implications of the 1954 Television Act? The Television Act of 1954 created Independent Television, a new advertising-financed service, to compete with BBC. This of course caused implications for the BBC, since they were no longer the only commercial television. http://www.museum.tv/eotvsection.php?entrycode=britishtelev 4. What was the influence of the introduction of commercial television? 5. What is included in the Television broadcasting Act of 1990? Rules introduced on cross-media holdings to prevent ownership being concentrated in too few hands. National newspaper owners prevented from holding more than a 20% stake in TV companies, with similar restrictions on cross-ownership between commercial TV, satellite TV and national radio stations. Loophole controversially protected Rupert Murdoch on basis that Sky was defined as a non-UK service. Continental companies allowed bidding for licenses or taking over license-holders. Companies allowed owning more than one license: holders of one of nine large franchises (e.g. north-west England) also allowed controlling one of six small franchises (e.g. south-west England). Independent Television Commission (ITC) becomes new light touch regulator governing terrestrial and cable-satellite services, with key task of awarding 15 ITV regional licenses and national breakfast license by auction: license to go to highest bidder, assuming it meets quality threshold and ITC does not invoke exceptional circumstances to choose an under bidder. Radio Authority set up, awarding licenses (also by competitive tender, i.e. auction) for three new national commercial stations and for many more local commercial stations. Broadcasting Standards Council given statutory status, although rulings not binding. Channel 5 to be set up, with license awarded by auction. Channel 4 to lose its link with ITV by being allowed to sell its own advertising, but not (as the free-marketers would have preferred) to be privatized. Advertisers had lobbied for the competition in the sale of air-time this ensured, but no one knew if the channel could generate enough ad revenue without compromising program standards. Hence the safety net 14% of all commercial terrestrial ad revenue (the funding formula) protecting its funding. http://www.guardian.co.uk/media/2000/nov/20/broadcasting.mondaymediasection2 An Act to make new provision with respect to the provision and regulation of independent television and sound program services and of other services provided on television or radio frequencies; to make provision with respect to the provision and regulation of local delivery services; to amend in other respects the law relating to broadcasting and the provision of television and sound program services and to make provision with respect to the supply and use of information about programs; to make provision with respect to the transfer of the property, rights and liabilities of the Independent Broadcasting Authority and the Cable Authority and the dissolution of those bodies; to make new provision relating to the Broadcasting Complaints Commission; to provide for the establishment and functions of a Broadcasting Standards Council; to amend the Wireless Telegraphy Acts 1949 to 1967 and the Marine, c., Broadcasting (Offences) Act 1967; to revoke a class license granted under the Telecommu nications Act 1984 to run broadcast relay systems; and for connected purposes. http://www.palermo.edu/cele/pdf/Regulaciones/ReinoUnidoBroadcastingAct(1990).pdf 6. What is the role of BBCs Royal Charter, the BBC Trust and Ofcom?  »Ã‚ ¿The Royal Charter is the legal basis for the BBC. It sets out the public purposes of the BBC, guarantees its independence, and outlines the duties of the Trust and the Executive Board. The word trust is used in the name of the BBC Trust in an informal sense, to suggest a body which discharges a public trust as guardian of the public interest. The word is not used in its technical legal sense, and it is not intended to imply that the members of the Trust are to be treated as trustees of property or to be subject to the law relating to trusts or trustees. Ofcom means the Office of Communications; http://downloads.bbc.co.uk/bbctrust/assets/files/pdf/about/how_we_govern/charter.pdf http://www.bbc.co.uk/bbctrust/governance/regulatory_framework/charter_agreement.html 7. What broadcasting stations exist in the UK? Mention history, type of station, target audience and mission of the station. 8. What are the trends in television viewing in the UK? 9. What are the advantages of new forms of television viewing? 10. How is the television market financed in the UK? 11. What are the expectations for the future television landscape in the UK? (From a broadcasters point of view) 12. What is cross-media ownership?

Animation :: essays research papers

Animation   Ã‚  Ã‚  Ã‚  Ã‚  Animation is a visual technique that creates the illusion of motion, rather than recording motion through live action. The technique is used mainly for motion pictures. Animation can be created by illustrators, filmmakers, video makers, and computer specialists. Animation is most popular in creating cartoon movies. Advertisers also employ animation to develop commercials for television. In addition, producers of instructional films may use animation to help explain a difficult idea or one that could not be shown in live action. Animation can also be combined with live action in a movie. Many animators continue to make many drawings by hand. Since the mid-1980's, however, computer assistance combined with hand-drawn animation has become standard in many movie studios. These methods created such feature-length animated films as The Lion King (1994) and The Prince of Egypt (1998).   Ã‚  Ã‚  Ã‚  Ã‚  One increasingly important type of animation is computer-generated imagery (CGI), in which the computer creates the characters and backgrounds and animates them without actually photographing either cels or figures. Films made entirely with CGI include Toy Story (1995), Antz (1998), and A Bug's Life (1998).   Ã‚  Ã‚  Ã‚  Ã‚  Most CGI-animated characters start with a sketch or small sculpture called a â€Å"maquette† that is used for reference. The artist then creates a computer image called a wireframe model. The wireframe model serves as a framework for a shell or skin that gives the computer image a solid, three-dimensional appearance. To move the character, a computer animator changes the positions of the wireframe model in a number of key frames. The computer then supplies the frames between the key frames, moving the model from one of the animator's positions to the next.   Ã‚  Ã‚  Ã‚  Ã‚  After creating the three-dimensional model, the artist adds color, texture, and shading in a process known as texture mapping. Texture mapping makes the surfaces of the characters and scenery look real. A texture map can be created by a computer program or scanned from an actual photograph.   Ã‚  Ã‚  Ã‚  Ã‚  The final step is called rendering. During rendering, the computer calculates the effect of light, color, and texture on the model's surface. For a film or video, the computer will produce a two-dimensional digital picture of the characters for each frame of the animation. The computer artist usually adjusts many visual effects, such as camera focus and transparency, during the rendering phase.

Do Thin Models Warp Girls’ Body Image?

â€Å"Do Thin Models Warp Girls’ Body Image? † Nanci Hellmich’s â€Å"Do Thin Models Warp Girls’ Body Image? † published in Elements of Argument summarizes the effects models’ images have on young girls. Hellmich brings to our attention the influence models have on the female mindset. Psychologist, Sharon Lamb, points out that it is perfectly normal that girls want to look good, but it should not be their main focus (706). Many of the models developing a serious eating disorder, is portraying to young girls that having an eating disorder or being extremely thin is the standard way to look (706).The issue of body image is one, which grows greater as the years go on. An ex-Victoria Secret model was â€Å"shocked† by how thinner their figures are becoming (705). From a very young age, girls are hit from every direction to have a thin body. Whether it is television, movies, or magazines. Having a tremendously thin body in today’s so ciety is what is expected. Hellmich’s purpose is to show the negative vibe models’ give off to the younger generations of girls. In the world today, girls feel as though if they do not look exactly like the models’ they see all over media, than they are over weight.She also points out that being thin is not the only issue people face. They also face the issue of being overweight, which also affects a person’s health (707). Hellmich does an outstanding job at showing us professional input using ethos. She points out that psychologist and eating-disorder experts think fashion industries have push models into dangerously unhealthy body types (705). Professor of psychiatrics in Chicago states, â€Å"super-thin models can play a role in causing anorexia† (706).The models that young girls of this time are looking up to are pushing themselves to develop a life stopping eating disorder. Pathos is found when we think about how young the impression of what a re bodies are suppose to look like begins. Researchers have found that young girls start getting this message as young as first grade (707). Even at an age as early as that they feel that the culture is telling them that they have to look like a model. Writers for magazines say that girls should not wish to look like the models they envy because they are â€Å"freaks of nature† (707).Sarah Murnen, a professor of psychology, conducted a study with girls ages ten and older on what level they had with their body esteem. More then 6,000 girls had poor body image from the exposure they had to fashion magazines, where as a trivial 18 percent rejected the image of models and felt comfortable with their bodies (707). Hellmich brings out numerous facts on the issue of body image in young girls. Glamour’s points out that they believe that every woman no matter what shape or size deserves respect. They do not run photographs of women who are at an unhealthy weight.Every woman can look wonderful without wearing a smaller size (708). This shows the majority of magazine producers are making it a priority to select women for their magazines who are of all shapes and sizes. The tone of this article is one of concerned and worried. Concern for the younger generations of girls and what they see as beautiful. As the seasons pass, ex-models are noticing the differences in the models weight. Psychologist and experts are beginning to worry about the influence models are having on very impressionable females.Over all, the article’s claims are effective. Showing girls who think looking like an extremely thin model is not the best choice. The terrible measures girls have to take to look like the world is telling them to look, can be dangerous and life taking. Works Cited Hellmich, Nanci, â€Å"Do Thin Models Warp Girls’ Body Image? † Pediatrics, Vol. 114, No. 3, September 2004. Rpt. in Elements of Argument: A Text and Reader. 10th ed. Annette T, Rott enberg and Donna Haisty Winchell. Boston: Bedford/St. Martin’s, 2012. 705-709. Print.

Residual Stress

INFLUENCE OF RESIDUAL STRESSES ON FATIGUE FAILURE OF BUTT WELDED STAINLESS STEEL PIPE Areef A Department of Mechanical Engineering Chendhuran college of Engineering and technology Pudhukkottai, Tamilnadu [email  protected] com Abstract— This project is aimed to understand the influence of residual stresses on the fatigue failure of butt welded stainless steel pipe joints. In order to carry out this study it requires an experimental fatigue failure data and a computer aided analysis of these results. A finite element scheme will be developed to simulate the residual stress in weld using the experimental data.A Thermo-elasto-plastic analysis will be used to replicate the butt welded pipe joint and the residual stress will be determined. Residual stress that arises in welded joints by heating and cooling cycles during the welding process is another major factor in fatigue failure of welded structures. Welding residual stresses might lead to a drastic reduction in the fatigue st rength of welded elements. In multi cycle fatigue (N > 106 cycles), the effect of residual stresses can be comparable to the effect of stress concentration.The effect of residual stresses on the fatigue life of welded elements are significant as regards relieving harmful tensile residual stresses and introducing beneficial compressive residual stresses in the weld toe zones. The fatigue failure can be classified in to two categories based on the number of cycles taken to fail. A. High cycle fatigue High-cycle fatigue is when the number of cycles to failure is large, typically when the number of cycles to failure, Nf is greater than 103. B. Low cycle fatigue Low- cycle fatigue is when the number of cycles to failure is small, typically when the number of cycles to failure, Nf is less than 103.III. RESIDUAL STRESS ON WELD Residual stresses can be defined as the stresses that remain within a material or body after manufacture and material processing in the absence of external forces or thermal gradients. They can also be produced by service loading, leading to inhomogeneous plastic deformation in the part or specimen. Residual stresses can be defined as either macro or micro stresses and both may be present in a component at any one time. They can be classified as: Macro residual stress that develop in the body of a component on a scale larger than the grain size of the material.Micro residual stresses that vary on the scale of an individual grain. I. INTRODUCTION Welding has a number of detrimental effects on the structural integrity and in-service performance of the weldments. These detrimental effects are due to imperfections induced by the welding in the weldments, of which the structural shape change behavior, residual stresses and the weld solidification cracks are reported to have very severe degrading effects on the mechanical strengths and possibly can lead to catastrophic failure.Fatigue is a type of fracture that occurs in welds that are subjected to c hanging or varying stresses over time. Fatigue is mainly caused by the environment in which the welded joints are utilized. Fatigue fracture is a ductile fracture, and therefore occurs by non-uniform plastic deformation. Micro cracks and voids form after a certain number of cycles and grow proportional to the number of cycles eventually grow large enough to overcome recovery mechanisms and move quickly to fracture. The rate of this crack nucleation is proportional to the frequency of the applied stress.II. FACTORS IN FATIGUE FAILURES Fatigue failures of welded joint are initiated by many factors, such as stress concentration, environment, loading and residual stresses. Stress concentration is mainly caused by the geometrical discontinuity and thus initiates fatigue crack at the locations of discontinuity. Stress concentration may also result from weld defects and metallurgical discontinuity. Fatigue strength of weld component may also be significantly affected by the environment, su ch as oxygen, sulfur, and temperature.In addition to the axial stresses in the piping systems reduction in fatigue life also takes place by multiaxiality of loading or stresses. Micro residual stresses that exist within a grain, essentially as a result of the presence of dislocations and other crystalline defects. IV. CAUSES OF RESIDUAL STRESS Residual stresses are generated during most manufacturing processes involving material deformation, heat treatment, machining or processing operations such as welding, machining, grinding, and rod or wire drawing etc.It is possible to classify the origin of residual stresses in the following way: 1. 2. 3. Differential plastic flow Differential cooling rates Phase transformations with volume changes are one of the main factors leading to the origination and propagation of fatigue cracks in welded elements. The residual stresses in the welded joints are formed as the result of differential contractions which occur as the weld metal solidifies an d cools to ambient temperature. In fact, welding introduces high heat input to the material being welded.As a result of this, non-uniform heat distributions, plastic deformations and phase transformations occur on the material. These changes generate different residual stresses patterns for weld region and in the heat affected zone (HAZ). Residual stresses induced by shrinkage of the molten region are usually tensile. Transformation induced residual stresses will cause more critical phase transformations. When the effect of phase transformations is dominant compressive residual stresses are formed in the transformed areas.Tensile residual stresses are detrimental to the initiation and growth of fatigue cracks. Weld fatigue failure is often particularly sensitive to residual stress due to stress concentrations induced by the weld joint geometry and weld imperfections. Welding residual stress acts as a booster to the fatigue problem. Hence, crack growth rate becomes considerably highe r in the weld vicinity compared to that far from weld. The fatigue failure mechanism in the presence of weld residual stress is not well understood and it is the intent of this project to explore this mechanism.However, to quantify the effects of welding residual stresses in the design stage, one has to numerically simulate its distribution and redistribution and possible relaxation in a structure due to cyclic loading. This requires the need for a robust, reliable and numerically efficient method for modeling residual stresses. Previous studies reveals that depending upon mean stress, stress amplitude, and stress ratio of uni axial cycle stressing and two kinds of failures ratcheting failure and fatigue failure. Figure 3.Explains the variation of ratcheting strain with stress amplitude. In which we shall see that stress increases apparently with the increase in nominal stress amplitude. It implies that the effect of nominal stress amplitude on ratcheting is more significant than me an nominal stress. The variation of mean stress with ratcheting strain is explained in figure 4. In which we shall see that ratcheting strain also has an increasing trend with the mean nominal stress up to a particular limit. V. EXPERIMENTAL TECHNIQUESWelding residual stresses are generated in a structure as a consequence of local plastic deformations introduced by local temperature history consisting of a rapid heating and subsequent cooling phase. During the welding process, the weld area is heated up sharply compare to the surrounding area and fused locally. The material expands as a result of being heated. The heat expansion is restrained by the surrounding cooler area, which gives rise to thermal stresses. The thermal stresses partly exceed the yield limit, which is lowered at elevated temperatures.Consequently, the weld area is plastically hot-compressed. After cooling down too short, too narrow or too small comparing to the surrounding area, it develops tensile residual stres s, while the surrounding areas are subjected to compressive residual stresses to maintain the self-equilibrium The distribution of residual stresses in a welded pipe is more complex, Fig. 1 shows the possible expansion and shrinkage in a butt welded pipe. In this case, shrinkage of the weld in the circumferential direction induces circumferential force, F, shearing force, Q, and bending moments, M, to the pipe.Figure. 2 shows a characteristic residual stress profile on a low carbon steel welded component. Also the distribution of residual stresses in a pipe is affected by many factors such as diameter, wall thickness of the pipe, weld geometry, and welding procedure. From the graphical plot we shall see that the maximum value of the harmful residual stress is about 360 N/mm2 (tensile stress) near the welding line and it decreases to be about 165 N/mm2 at the distance of 80 mm from the welding axis.The minimum residual stress is about 90 N/mm2 near the welding line and it becomes abo ut 60 N/mm2 in compression at the instance of about 60 mm, then it reduces to about 10 N/mm2 in tension at 80 mm distance from the axis. Such high tensile residual stresses are the result of thermoplastic deformations during the welding process and A. Sample Used The material used for the study is stainless steel material of grade SS304. The material is chosen because of its following properties. It has an excellent corrosion resistance in a wide range of atmospheric environments and many corrosive media.Considering its heat resistant property it is not suitable to use in a range of 425-860 °C if subsequent aqueous corrosion resistance is important. This material has excellent weld ability by all standard fusion methods, both with and without filler metals. Welding of 304 can be done with Grade 308 and 308L rods or electrodes (and with their high silicon equivalents). Heavy welded sections in Grade 304 may require post-weld annealing for maximum corrosion resistance. Tensile Stren gth (MPa) min 515 Yield Strength 0. 2% Proof (MPa) min 205 Elongation (% in 50mm) min 40 Rockwell B (HRB) max 92 Brinell (HB) max 201D. Finite element analysis Most of the residual stress studies were conducted based on either axi symmetric or 2D plane assumptions due to the limitations of the finite element codes and computer resources available during the time of the study. Moreover, the thermo-mechanical problem was assumed to be uncoupled where the thermal and mechanical responses were treated separately. Furthermore fatigue failure usually initiate at the stress concentration area and fatigue loading is usually not axi symmetric, and hence a two dimensional model can not simulate the fatigue failure response of weld joints accurately.In order to simulate the fatigue response of welded joints in the presence of residual stresses, it is essential to conduct a three-dimensional analysis. Figure 5. Illustrates the solid and FE model of the specimen RESULT AND DISCUSSION 3D finite e lement fatigue response analyses for a socketwelded joint were performed by using ANSYS. This is needed in order to include the calculated residual stress and strain fields as the initial stresses and strains in the fatigue analysis. A fixed boundary condition at the socket end is imposed.Same finite element mesh and the material model used in the residual stress analysis, are restricted to be used in the fatigue analysis. The following are some of the discussions we found out after the comparative experiments on Fatigue machine and computer aided simulation. High tensile residual stresses, at or above the yield stress level, exist near the weld toe area, especially at the weld start/stop location. The magnitude of the residual stresses reduces quickly as the distance from the weld toe increases. The residual stress distribution does not change much when the slip-on gap in the socket weld joint is reduced to zero.Hence, the increase in fatigue life of socket welds with no slip-on ga p is unrelated to residual stress. The improvement in fatigue life may come from the change in failure mode, which in turn, may be influenced by the change of the external load stress or strain distribution. REFERENCES [1] Guozheng Kang, Yugie Liu, and Zhao Li â€Å"Experimental study on ratchetting-fatigue interaction of SS304 stainless steel in uni-axial cyclic stressing† – International journal of Materials Science and engineering, Volume 435, 2006, Pages 396-404. N. S. Rossini, M. Dassisti , K.Y. Benyounis, A. G. Olabi â€Å"Methods of measuring residual stresses in components† International journal of Materials and Design, Volume 35, 2012, Pages 572–588. Y. Kudryavtsev and J. Kleiman â€Å"Fatigue of Welded Elements: Residual Stresses and Improvement Treatments† Integrity Testing Laboratory Inc. 80 Esna Park Drive, Units 7-9, Markham, Canada presented paper in the year 2005. Z. Barsoum â€Å"Residual stress analysis and fatigue of multi-pass welded tubular structures†International journal of Engineering Failure Analysis, Volume 15, 2008, Pages 863–874. M.Farajian-Sohi, Th Nitschke-Pagel, K â€Å"Residual stress relaxation in welded joint under static and cyclic loading† Issued from International Centre for Diffraction Data 2009 ISSN 1097-0002. Grade 304 Table. 1 Mechanical property of SS grade 304 Elastic modulus (Gpa) 193 Thermal conductivity (W/m. K) 16. 2 Specific heat (J/kg. K) 500 Electrical resistivity (ohm) 720 Grade Density (kg/m3) 304 8000 Table. 2 Physical property of SS grade 304 B. Stainless steel welding Methods There are three methods of stainless steel welding which are preferred over the rest.Metal Inert Gas (MIG) welding, Tungsten Inert Gas (TIG) welding, and Shielded Metal Arc Welding (SMAW). Stainless steel welding requires a bit more finesse than welding mild steel or aluminum, because heat is an enemy in this process. Also the fumes made from any of these processes are very harmf ul, and great care must be taken to avoid breathing them. TIG welding utilizes a tungsten welding electrode, a filler metal rod and an inert gas to shield the weld. This welding method requires little or no post-weld finishing. The tungsten tip in the welding torch is touched to the material to be welded.This creates an arc that the welder dips the filler metal rod into and allows it to melt into the welding puddle. The shielding gas prevents contamination from entering the weld and allows the weld to flow out smoothly. Heat is controlled through a foot switch. So the suggested welding method is TIG welding. C. Fatigue test Butt welded piping joints were tested in a cantilever setup. In these test the welded joint to be tested is located near the heavy and stiff support column. The fatigue loading cycle is applied to the other end of the pipe using the actuator of a servo- hydraulic testing machine through a pin end fixture setup.The pin end fixture consists of a self-aligning ball bearing and a pin, which is snugly fitted to the ball bearing and tightly attached to the end fixture. One of the pin end fixtures is tightly screwed to the actuator rod and the other welded to the specimen. [2] [3] [4] [5] [6] D. Akbari, I. Sattari-Far Faculty of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran â€Å"Effect of the welding heat input on residual stresses in butt-welds of dissimilar pipe joints† International Journal of Pressure Vessels and Piping, Volume 86, 2009, Pages 769–776. [7] B. Brickstad, B. L.Josefson â€Å"A parametric study of residual stresses in multi-pass butt-welded stainless steel pipes† International Journal of Pressure Vessels and Piping, Volume 75, 1998, Pages 11-25. Figure 3. Relation between ratcheting strain with stress amplitude Figure 4. Relation between ratcheting strain with Mean stress Figure 1. Distribution of longitudinal fillet weld Residual stress on a butt welded pipe Figure 5. Solid model (a) and FE model (b) of welded pipe Figure 2. Distribution of longitudinal fillet weld on a carbon steel welded component Axial residual tress distribution in a buttwelded joint