Baja tutor knowledge base for baja sae enthusiasts. The cars all have engines of the same specifications. The frame design discussed in this paper is compliant to the 2011 mini baja rules. Index terms sae, atv, static stress analysis, ansys apdl 12.
Design and development of roll cage for an allterrain vehicle khelan chaudhari, amogh joshi, ranjit kunte, kushal nair. After having consulted automotive design literature, previous sae competitors, and an independent study on the baja challenge, the team has developed the knowledge base to field a competitive vehicle in the programs first year. Otoole, examination committee chair associate professor of mechanical engineering university of nevada, las vegas baja sae is an intercollegiate competition to design, fabricate, and race a. Your feedback will be important as we plan further development of our repository. As many people have not seen a baja sae vehicle, below is an image of the 2010 car during testing. Design of an sae baja racing offroad vehicle powertrain. The teams are challenged to design, build and test a recreational offroad vehicle that conforms to the limitations established by the baja sae rules 2012. Analysis of the brake system was perform ed on t he. Pdf computational analysis for optimisation of baja sae roll cage. Sae baja, atv, roll cage, static structural, ansys workbench, meshing, fea. The choice of material was limited to steel as per sae rules.
An introduction to computational frontal static stress. Kullgren, change of velocity and pulse characteristics in rear impacts. Chassis torsional rigidity analysis for a formula sae racecar. Design and optimisation of sae mini baja chassis ijera. The frame model is taken from the solidworks sae tutorials. Structural analysis is the determination of the effect of loads on. Introduction to formula sae suspension and frame design edmund f. Baja sae 20162017 page 4 of 125 abstract the purpose of the society of automotive engineers sae baja major qualifying project mqp was to analyze the preexisting baja sae bsae vehicles to determine flaws and design a new chassis that improved upon the previous designs. Introduction onsidering the functional objectives and the rules laid by the sae baja, a preliminary design of the frame structure was developed wherein the structural members and their end connections were simply represented by their centre lines and points.
Mracing, the formula sae team at the university of michigan, ann arbor, designs and builds a new car every year. The university of akron 2015 sae zips baja offroad racing team 2015 suspension system design ryan w. Static analysis and optimisation of chassis and suspension. According to sae international 2016 collegiate design series, baja sae rules, under. Static analysis of the roll cage of an allterrain vehicle. Analysis of baja chassis strength of materials bending scribd. Suspension design for this competition is one of the most varied items seen at race. Sae baja is a collegiate program where each team builds an offroad race vehicle to a strict set of rules, and competes across the nation with other teams. Chassis is an important part of the baja vehicle that.
Key design features include onesizefitsall ergonomics, modular. We focused our efforts to determine quantitative values for loadings within the sae baja vehicles front and rear suspension, chassis, and drivetrain. The paper discusses the fe analysis of existing and modified steering knuckle. Our objective as the mini baja frame team is to design and implement a prototype vehicle frame that is both costeffective and competitive in an allterrain racing environment. Which are the materials used for chassis in baja sae. A weld test required by sae and defined in section 31.
Teams of students from universities all over the world design and build small offroad cars. Baja sae challenges engineering students to design and build an offroad vehicle that will survive the severe punishment of rough terrain and in some competitions, water. Design, static and dynamic analysis of an allterrain vehicle chassis and suspension system. Jawad and jason baumann lawrence technological university. Knowledge base analysis for roll cage of atv loading analysis to properly approximate the loading that the vehicle will see an analysis of the impact loading seen in various types of accidents was required. Issn 2277 design and development of minibaja chassis. Aisi 1018 mildlow carbon steel offers a good balance of toughness, strength.
The roll cage not only forms the structural base but also a 3d shell surrounding the. Jul 30, 2012 the frame model is taken from the solidworks sae tutorials. Notably, it is a referred, highly indexed, online international journal with high impact factor. Baja sae utep 2014 design report team jaabaz, vit university research pdf available. The video covers the setup and running of a static analysis on the model as well as the post processing of the results which show.
Pdf design and analysis of chassis for sae baja vehicle. The baja sae series is a competition sponsored by the society of automotive engineers sae which gathers students from universities all around the world. Baja sae rule book states that the material used for. In the design the main constraints was minimizing the weight of the vehicle without any compromise on the strength of the frame. Baja sae design report university of colorado boulder. Each plane was carefully set to ensure that revisions to the frames angular and linear. Pdf baja sae utep 2014 design report team jaabaz, vit. Aisi 1018 and 4 pipes are good choices for chassis in a baja vehicle. The society of automotive engineers sae mini baja was originated at the university of south carolina in 1976. The main objective for the mini baja competition was to design and fabricate a oneman allterrain vehicle having more than two wheels that could compete with manufactured versions from the viewpoint of safety. A simple offroad vehicle frame is considered for the present study, which is of a vehicle designed for a.
Impact test on bajafsae roll cageframedemo case with calculations. Design, analysis and optimization of a baja sae frame yogesh chandra manipal institute of technology, department of mechanical and manufacturing engineering, manipal university, udupi576103, karnataka, india abstract. Design, analysis and optimization of a bajasae frame. The frame analysis was completed using solidworks finite element analysis fea. International journal of science and research ijsr is published as a monthly journal with 12 issues per year. The use of finite element analysis was valuable to the design and analysis of the frame for sae baja off road vehicle. The research was conducted to choose the best possible material. Proengineer model of frame frame fabrication before we started fabricating our frame, a series of tests were performed to make sure that our methods. So, after market analysis on cost, availability and properties of these two alloys. Expanding on these original specifications, team 6 and the baja team have agreed that an appropriate total gear ratio can range from 10. Design analysis and fabrication of roll cage of mbaja atv. Baja sae is an annual intercollegiate competition in which teams race a once seat. Ansys training videos for baja workbench, cae, fluent altair solid thinking.
Initially, static structural analysis was performed to check for the members under high. As the baja atv has a number of parts, the failure modes and effects analysis were broken. Computational analysis for improved design of an sae baja. This paper thoroughly deals with various load analysis on. Design, analysis and optimization of a baja sae frame. Roll cage is the skeleton of the vehicle that not only forms a structural frame but also provides three dimensional spacing around the driver. Computational analysis for improved design of an sae baja frame structure by nagurbabu noorbhasha dr.
Fem analysis after finalizing the frame along with its material and cross section, it is very essential to test the rigidity and strength of the frame under severe conditions. This vehicle must be able to endure the trials of the society of automotive engineers sae mini baja competition. The society of automotive engineers sae student organization at the university of kentucky designs and builds a baja car, an offroad vehicle, every year and enters a nationwide competition. Design and development of roll cage for an allterrain vehicle. Sae baja suspension overview definition suspension is the term given to the system of shock absorbers and linkages that connects between a vehicle and its wheels. This report will present a thorough look at the design, analysis, construction, and testing. The material was selected on the basis of cost, availability, performance and weight of material. Analysis of baja chassis free download as pdf file. First, the rules set specific requirements on the building materials material type and geometry. Baja sae is an intercollegiate design competition run by the society of automotive engineers sae. Sae technical paper series 20020300 design, analysis and testing of a formula sae car chassis william b. Paper open access related content analysis of steering. As in real work situations, these future engineers work together as a team to discover and resolve technical challenges in design, test, and manufacturing, as well as business.
Figure 12 rounded square nose model of first frame design. The report being elaborated below involves the design, analysis and fabrication of a multitubular space frame. Material selection as per the constraint given in the rulebook1, the roll cage material must have at least 0. Finding values for these specific loads will allow the team to. Design of formula sae suspension theory in practice. The terrain that must be covered is extreme and the horsepower is limited. Design and analysis of chassis for sae baja vehicle 1 shiva krishna j, 2 ambesh shetye, 3 prabhudev m allapur 1,3 assistant professor,dept. Research paper automobile engineering india volume 9 issue 2, february 2020. Baja sae is an intercollegiate competition organized by society of automotive engineers sae to design, build and race offroad vehicles. Results the primary outcome of the 202014 baja sae mqp was a frame that was designed to be eligible for future baja sae competitions and inherited by the 20142015 baja sae mqp. Among these, the structural failure should be given the highest preference as it directly affects the safety of the driver.
The university of akron 2015 sae zips baja offroad racing. Technical questions about the baja sae rules must be submitted to. David obrien, jordan b wolpert back to the basics was the name of the game for blue raider baja brb for the 2009 season. Sae baja originated in 1976 at the university of south carolina, where the first competition took place. The baja team also requested that team 6 avoid using. Design, analysis and testing of a formula sae car chassis. What is the method to calculate the loads for various. Submitted questions must include your name, university, phone number, rule number in question and the baja sae event your team is planning to enter. For this a proper analysis regarding forces and stresses induced on the frame and properties of the material are considered.
The design of the mini baja frame is defined by the design safety rules set out by the sae. We had successfully analyzed the roll cage structure for its strength against the collision from front, rear as well as side. One major task in building a successful baja car is to design a strong and yet weight efficient frame roll cage. The frame of the sae baja vehicle needs to be lightweight and structurally. Frame analysis results, case 1 conclusion roadrunner racing has designed and analyzed a vehicle for the 2015 baja sae competition. Design, analysis and optimization of a bajasae frame yogesh chandra manipal institute of technology, department of mechanical and manufacturing engineering, manipal university, udupi576103, karnataka, india abstract. Formula sae is an international collegiate student design competition focused around the design, manufacturing, testing, and racing of an openwheel racecar. Design, static and dynamic analysis of an all terrain. Baja sae, the atv design event provides a platform for the undergraduate students to apply the principles of engineering science to expose their proficiency in the automotive world.
Salinas university of missouri rolla abstract this paper is an introduction to formula sae fsae suspension and frame design based on the experience of the design team at umrolla. Bhola patel design engineer at cetpa infotech abstract this paper acts as a mock design report describing the overall chassis design that i developed for the baja sae competition. With the design of each new car comes the design of a new chassis. The frame should be able to withstand the impact, torsion, roll over conditions and provide utmost safety to the driver without undergoing much deformation. Aisi 1018 mildlow carbon steel has excellent weldability and produces a uniform and harder case. Introduction to formula sae suspension and frame design. Design of an sae baja racing offroad vehicle powertrain eric t. Design and development of minibaja chassis international. We began by setting up a series of construction lines and planes to get a general vehicle layout. With a focus on safety, manufacturability, durability, and performance, this vehicle has been engineered and validated to overcome the harshest of terrains. Introduction the objective of the study is to design and develop the roll cage for allterrain vehicle.
1546 1110 405 1262 1056 510 6 1140 283 1137 845 1054 190 1434 1008 622 1114 223 1202 748 1152 635 1091 1599 143 369 1150 1009 932 595 906 519