Post here to have your teams flair added to the lis. Sep 29, 2016 i am trying to simulate a fsae chassis frame in ansys. After designing this structural chassis, it is tested and analyzed for different fatigue, static and dynamic loadswhich is done on ansys software to obtain proper chassis design with minimum deflection for failure. Modal and static analysis of a standard allterrain vehicle. How do i mesh a tubular frame structure such as a formula sae car. So far, i have built some outriggers a subframe that imitates the location and mounting points of our suspension to use as my fixed constraints within ansys the simulation software that im using, which makes the most sense to me logically, as thats. In this various software like ansys and solidworks have been used for the process of doing modeling and analysis of the car frame. Analysis of torsional stiffness of the frame of a formula. As the method of analysis was done in the three stages such as the front impact test,side impact test. Formula sae and formula student are collegiate engineering competitions with over 500 participating schools that challenge teams of students press j to jump to the feed. The chassis will be designed using the computer aided design cad program solidworks and will be analysed using a finite element analysis fea program ansys. Next, the team conducted parameterization studies in mechanical and ansys workbench to optimize the configuration, thickness and diameter of. May 22, 2019 traditionally, fsae teams weld the tubes endtoend, in a joint that is considerably weaker than the rest of the frame.
Ansys baja car frame stress analysis in ansys work bench youtube. According to the fsae competition, the steering mechanism must be mechanically connected to the front wheels, i. The chosen geometry for the car is ackerman steering geometry. This wasnt an acceptable solution for the eagle trento team. Unofficial discussion forum for formula sae and formula student engineering competitions, part of the sae international collegiate design series. Cad applications in a formula sae project based on v. The grabcad library offers millions of free cad designs, cad files, and 3d models. In this video, you will learn how to prepare a chassis model in spaceclaim. For proper simulation in ansys, i need to find a way to create the frame as one single part with the whole frame treated as one body. Vehicle design i used catia v5s generative structural analysis workbench. Conventionally in fea, the frame is subdivided into elements. Using mechanical, the team designed a joint that transfers the mechanical stresses to the mechanical fit of the joints in the tubes rather than the weld.
Formula sae chassis analysis part 4 boundary conditions and solving duration. Roll cage design cad model finite element analysis fea finite element analysis fea is a computerized method for predicting how a product reacts to realworld forces, vibration, and other physical. I have been going through and running some simulations on our frame, according to the rule book af4. How do i mesh a tubular frame structure such as a formula sae car frame in hypermesh. The front and rear uprights have been designed using the 3dmodelling software solidworks and in accordance to the formula bharat. Ansys mechanical software is a comprehensive fea analysis finite element tool for structural analysis, including linear, nonlinear and dynamic studies. Keywords space frame tubular chassis, formula student, solidworks, ansys, finite element method. The project consists of modeling the roll cage in cad software considering the rules mentioned in the rulebook for fsae 2015.
Framing a lighter, stronger race car by paolo bosetti, professor, department of industrial engineering, university of trento, italy engineering student teams in universities around the world compete in the formula sae fsae competition to build a race car, giving them an opportunity to apply their engineering knowledge, in a practical and fun way. As proud supporters of the formula sae competition, leap australia works closely with many university fsae teams across australia and new zealand, offering assistance through training and mentoring of student teammembers who are applying cae techniques to maximize. The solid model is then analyzed by modal, static and frontal impact at certain speed. The team used ansys additive suite to ensure the cars frame joints would print correctly and ansys mechanical to reduce the mass of the car and increase its stiffness. The roll cage is tubular frame which has a circular cross section. Volume 2 design and analysis of space frame tubular. Atv roll cage analysis using 1d meshing and static. Ansys is proud to be an official sponsor of fsae team based programs and provides ansys software to teams in fsae, solar car, sae aero, sae mini baja and the sae clean snowmobile challenge. Process of extracting beams from solid and connecting various beam members are demonstrated. Ansys provides engineering simulation software for university based student teams participating in competitions such as formula sae fsae, solar challenge, electronic design competition, solar splash, spacex hyperloop pod design, racing aeolus, human powered vehicle challenge hpvc and many more. Formula sae and formula student are collegiate engineering competitions with over 500 participating schools that challenge teams of students. Formula sae chassis analysis part 3 generating joints and. Ansys workbench 16 frame structure analysis duration. Two approaches to optimize formula sae chassis design using.
How do i link a remote point with a body in ansys workbench. Keywords ansys, solidworks, fsae, finite element analysis, space frame chassis, chassis, beam element 189. In hypermesh 12, meshing is done and boundary conditions are applied. The design and development comprises of material selection, chassis and frame design, cross section determination, determining strength requirements of roll cage, stress analysis and simulationsto test the fsae against failure. Jan 20, 2014 leap australia would like to congratulate the team from monash university for winning the 20 australian formula sae competition. And here analysis has been done on the hyper mesh software. The frame was modeled as a structure made from beams. The engineering simulation product provides a complete set of elements behavior, material models and equation solvers for a wide range of mechanical. It has been assumed that this approach has worked, as past cars designed by this rule have performed exceedingly well at competition compared to other fsae vehicles during the dynamic events. This study involves the process of designing three chassis that are created based on the rules stated by fsae rules book 20172018. The frame is designed in cad software catia and the notching is done in solid works.
Traditionally, fsae teams weld the tubes endtoend, in a joint that is considerably weaker than the rest of the frame. Ansys formula saebaja sae tutorials impact test on bajafsae roll cageframedemo case with calculations fsae studentteam bajasae rollcage impacttest droptest rearimpact frontimpact torsionalregidity frontwheelbump rearwheelbump heaveloading sideimpact frace. Take your engineering simulation to a new level with simulationdriven ansys software simulation. Optimizing the frame joints of fsae cars using simulation. Fem simulation based on the experiment, an fem simulation model was created and simulated in ansys software. The selection a load step number 1, as shown in figure 7. Press question mark to learn the rest of the keyboard shortcuts. So, we have created a set of video tutorials help them get started with suspension design using various ansys products.
In parallel, five groups of senior level vehicle design students used ansys mechanical adpl to perform different optimization. In the automotive domain more emphasis has been given to driver safety. Ansys provides free student software products perfect for work done outside the classroom, such as homework, capstone projects, student competitions and more. To explore ansys software suites, select one of the areas of interest below. Formula sae chassis analysis in ansys mechanical problem. The suspension system is a device connecting the body with wheels. Formula sae chassis analysis part 1 preparing geometry in. Swanson sold his interest in the company to venture capitalists in 1993. Using additive suite and mechanical to optimize the joints of fsae car frames.
Keywords ansys, solidworks, fsae, finite element analysis, space frame chassis, chassis, beam element 189 1 introduction. Ansys uses the finiteelement method to solve the underlying governing equations and the associated problemspecific boundary conditions. Consider the plane frame structure in the figure below. The cad model contains 60 different parts with every member being a separate part. I am using 18 fillets based on rough measurements i took from the welds on the current frame. All kinds of forces and movements between the wheels and the ground passes to the body through the suspension. I am trying to simulate a fsae chassis frame in ansys. The catia software was used for the modelling and the ansys software was used for the analysis of the chassis. Ansys student products can be installed on any supported ms windows 64bit machine. There is a number of software which is available to perform analysis on the object such as hyper mesh, ansys, solid works, etc.
Using workbench for your product development simulations will result in higher productivity from integrated applications leveraging common and compatible data models. Ansys software computer aided engineering cae software. Dear all, in this videos i have covered how to perform 1d meshing and static analysis on atv roll cage 1. Design and optimization of formula sae suspension system. For any questions and support, join the ansys student commu.
The purpose of this physical testing was to determine the. Oct 24, 2016 the roll cage is tubular frame which has a circular cross section. To improve the accuracy of results the suspension was also modeled with elements as truss. I am quiet new to ansys and is finding it difficult to figure out a few things. Are there any other alternative softwares to ansys and. Structural performance analysis of formula sae car ravinder pal singh1 department of mechanical engineering, chitkara institute of engineering and technology, rajpura, patiala, punjab, india abstract formula sae competitions take place every year and challenge teams of engineering students to design and build a small singleseater racing car. Pdf design and optimization of fsae chassis using fea. The aim is to achieve a perfect steering geometry for the fsae car. Hello all, i am carrying out a draft static linear analysis for a bike frame with the use of 3d beam elements. I have designed my chassis on solidworks using weldments and is planning to do the analysis on ansys. There are differences in the features provided and hence the industries they are suitable for.
There are few basic and simple steps which are to be followed in order to perform all the different types of static analysis on the race car and they are given as follows. While the process of solving finite element problems is a science, creating the models is quite an art 2. Our renewable products can be downloaded by students across the globe. Chassis torsional rigidity analysis for a formula sae racecar. Each fsae team dedicates special efforts in optimizing a chassis to understand its strength and area for weight reduction.
There are plenty of simulation software solutions that compete with them. Analysis of formula student race car ijert journal. Ansys software creates greater efficiency, drives innovation and reduces physical constraints so you can conduct simulated tests like never before. Join the grabcad community today to gain access and download. Pdf design and static structural analysis of a race car. Prior to importing the frame into ansys, i add fillets to represent these welds. From ansys main menu select general postproc read results by load step. Ansys is a finiteelement analysis package used widely in industry to simulate the response of a physical system to structural loading, and thermal and electromagnetic effects. The important thing is to have your expectations clear. Hence an optimization was required to reach the targets. The below figure provide the detail information of the changes which are done in the old frame. The software analysis is done taking into consideration the whole chassis for the applied load, but in the theoretical calculations we consider only the critical clamp to check the stresses induced, hence the theoretical values might differ slightly from the ansys results.
The chassis under investigation for torsional stiffness is from the university of western ontarios formula sae race car. The fea is done on the old frame by using the ansys as a tool and the result which was obtained is shown below. It develops and markets multiphysics engineering simulation software for product design, testing and operation. Design optimization of a roll cage of a sae baja car. Junior level vehicle design students demonstrate the application of the process to their own individual fsae chassis designs. Fsae finite element analysis fea blog leap australia. Design and static structural analysis of a race car chassis for formula society of automotive engineers fsae event. Atv roll cage analysis using 1d meshing and static analysis. Go through the truss and beam tutorials before attempting this problem. Aarms, bell crank, pushrod, ansys, spring and dampers 1. Design, analysis and manufacture of 2011 rev formula sae. May 25, 2016 dear all, in this videos i have covered how to perform 1d meshing and static analysis on atv roll cage 1. Within these activities, students use simulation technology to virtually prototype then build and test many aspects of different types of vehicles.
It has been assumed that this approach has worked, as past cars designed by this rule have performed exceedingly well at competition compared to other fsae. Depending upon structure the chassis should have resistance to deformation that is stiffness. Two approaches to optimize formula sae chassis design. This project aims to provide a chassis for the 2011 rev electric fsae race car vehicle, the design must comply with the rule outlined by the 2011 fsae rulebooksae, 2011.
The frame was simulated for pure torsional forces that originate from front suspension 7. The space frame chassis that we made is of tubes and having roll cage structure. Visit leap website for more information on cfd, fea, cad, cam and related software products, plus our training and webinar schedule. However, i am unsure how we will validate the overall size of the welds on the actual frame during manufacturing. Formula sae chassis analysis part 1 preparing geometry. Paper open access design and optimization of fsae chassis. The elements available dofs are ux, uy, uz, rotx, bike frame constraints ansys.
Sep 20, 2019 each fsae team dedicates special efforts in optimizing a chassis to understand its strength and area for weight reduction. Formula sae vehicle chassis design tutorials fsae fea ansysmechanical formulasae chassis rollcage crash frame latest by vganore 20 september 2019. Hello everyone, i am working on a fsae chassis as we speak. Rather, it states the problem to be solved and provides some tips and guidance on solving it using ansys mechanical. Keywords fsae, chassis, frame, solidworks, ansys, fea. There are few basic and simple steps which are to be followed in order to perform all the different types. The chassis was passed through the various test which was conducted by them for e. Formula sae chassis analysis part 3 generating joints and meshing. Looking for downloadable 3d printing models, designs, and cad files.
With unequaled engineered scalability, a multiphysics foundation, and adaptive architecture, ansys software delivers more power and better results than other cae tools. Formula sae vehicle chassis design tutorials ansys student. The ansys workbench platform is the backbone for delivering a comprehensive and integrated simulation system to our customers. Introduction chassis is an essential structural backbone of an automobile, especially in a racing car.
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