A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Which suspension setup is the best for an fsae or student car. Having the suspension fundamentals nailed allows for better chassis design actual understanding of torsional rigidity and in general an overall better vehicle as your trade offs. Formula sae chassis design to improve suspension tuning. Fsae engineering teams can exercise their vehicle designs under various road conditions, performing the same tests they normally run in a test. Typical rear suspension screen, here analyzing an angled 4 link rear suspension and driveshaft movement and u joint angles. In this paper, kinematics analysis software adamscar was used to establish the fsae car racing double wishbone independent front suspension simulation model, kinematics simulation analysis has been used to get the wheel beats of each parameters variation. Industrialstrength multibody dynamic simulation software available for free to university fsae teams. The primary software used is optimum kinematics, a geometric modeling software that specializes in automotive suspension design 10. Solidworks sae design project teaches students how to use solidworks software to help design a vehicle for the formula sae competition. Adams car software allows students to design and simulate their fsae vehicles to. This is the fifth in the video series developed for ucis racecar engineering program. Optimum kinematics will be used for creating the bulk of the suspension design.
At the end of the year the team was unable to complete the fabrication of the 2009 fsae racecar. Smitty describes the principles of suspension design. Adams sponsorship for student competitions, please fill out the application form. Look in the folder for the firmware level you are currently using. Design of a suspension system for a formula student. According to the developer flowsquare is a twodimensional computational fluid dynamics cfd software for unsteady, nonreactivereactive flows. Adams car software allows students to design and simulate their fsae vehicles to maximize their vehicle performance. Optimize various parameters such as suspension stiffness or location of. Design of suspension system for formula student race car core. Adamscar for student competition teams and university use msc provides bundles of software, including full adams and nastran suites, to competition teams at no cost. The suspension solutions design team has completely designed built and tested an independent rear suspension system for the 2008 fsae car. If youre part of a new team, i suggest putting a lot of emphasis on this.
Introduction to formula sae suspension and frame design. Fsae suspension and frame design based on the experience of the design team at umrolla. Cite this article anshul dhakar and rishav ranjan, force calculation in. Complete graphs and reports are included, and several new. Optimum suspension geometry for a formula sae car pdxscholar. The best software for students in formula sae and formula student. Jul 23, 2017 smitty describes the principles of suspension design.
All accelerations, either lateral or longitudinal, must be put to the ground through the tires, which are held in contact with the ground by the suspension system. The suspension analyzer does a complete 3d suspension analysis, including bump steer, ackerman, caster gain, anti dive, tire scrub, camber gain and much more. Table 8 bolt specification at different mountings of bell crank. 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.
After rules analysis, which limits the suspension a minimum travel and wheelbase, project targets were defined, than a benchmarking was made on top teams. In 2009, the wpi fsae team designed and began manufacturing a racecar for the 2009 formula sae competition. This thesis is brought to you for free and open access. Design analysis of suspension especially for racecar suspension is very crucial to achieve maximum performance and handling. Simscales fea and cfd software offers the perfect soultion for formula sae and formula student teams. Design of suspension system for formula student race car. Design of a carbon fiber suspension system for fsae applications. If you are involved with vehicle engineering work at your school, especially for student competitions such as formula sae, baja, solar car, and hybrid or autonomous. The suitability of a product for a specific application can be confirmed only by ovako once given.
The vehicle presented in this project is the fsaeprototype of the university of padua, which competed in the 20 season of the series. Design of a suspension system for a formula student race car. These parameters are intended to describe a racing package similar to dartmouth formula racings 2006 fsae car. A formula student race car is a simplified version of formula one race car designed. Design of formula sae suspension theory in practice. This thesis open access is brought to you for free and open access by digital. As far as easy to use and understand gui and simulation time is considered i would recommend you to use optimum k and suspensionsim for your kinematic and compliances of suspension system. Finally, the analysis of static stress on the main components of fsae racing using the simulation module was performed to form the car suspension system so that it meets the design requirements of the fsae regulations.
Industry standard vehicle dynamic software industrialstrength multibody dynamic simulation software available for free to university fsae teams. No matter the engine work, no matter the aero work, in fsae suspension handling is king. The car currently features a solid rear axle, and the task of converting it to incorporate an interchangeable rear suspension has been undertaken in order to. Looking for downloadable 3d printing models, designs, and cad files. Optimum kinematics will be used for creating the bulk of the suspension. Thirdly, the front and rear suspension models were set up by the solidworks 3d software. Which software should one use to design suspensions for. My team uc berkeley formula sae team did not use this software, since we developed our. Car design tools for chassis, suspension, aerodynamics. The load paths and fbd have been drawn and axial stress in the all the linkages. An active suspension system will collect dynamic vehicle data and, with this collected. The chosen project is based on the redesign of the steering and suspension system the for university of southern queenslands 2008 formula sae society of automotive engineers or fsae vehicle.
In effect, the hok joint removes a free rotational dof along the rods spin axis if it. There may be significant differences in dynamic tuning parameters for different fsae packages. Optimumg is an international vehicle dynamics consultant group that works with automotive companies and motorsports teams to enhance their understanding of vehicle dynamics through seminars, consulting, and software development. The car right after the silverstone event in 20 fsae is a students engineering competition where student teams from around the world design, build, test, and race a smallscale formula style racing car. These forces have been calculated for all the links of a double wishbone suspension geometry. The purpose of this paper is to present experimental data on designing and optimizing a carbon fiber suspension system for formula cars. May 07, 2017 as known, pull rod helps in reducing the cg, which is not a negligible one but pull rod system poses a lot of packaging difficulties. Simulation and optimization of fsae racing suspension. Lotus engineering software has been developed by automotive engineers, using them on many powertrain and vehicle projects at lotus over the past 20 years. Introduction the suspension system is one of the most important systems to consider when designing a fsae car. Design and optimization of formula sae suspension system.
Formula sae interchangeable independent rear suspension design. Introduction to formula sae suspension and frame design edmund f. Fsae suspension development in virtual environment 2018360231 through adamscar software, it was developed a complete template of a double wishbone suspension with a single shock absorber per axle for a formula sae prototype. The aim of this software is to provide a handy cfd environment so that more people can get to know what cfd is like and simulate flows for their educational andor academic. As a little bit of background, i was a suspension design engineer on the uc berkeley. The classis 60s sports and racing car rear suspension. The suspension system is one of the most important systems to consider when designing a fsae car. Mostly rear pull rod can interfere with your drive shafts. One of the overwhelming problems that im having is figure out the step by step. Help best software for suspension geometry for mac. Reducing weight while maintaining structural integrity is one of the key challenges formula sae teams face as they try and design the suspension of the formula car.
Ireland, my suspension team is saved for the moment. Redesign of an fsae race cars steering and suspension system. Also, for professors, msc products are available at discounted prices for classroom and research use. Encapsulated spherical bearings on wishbones no rod ends in bending. A basic description of each dynamic parameter is included in appendix a.
For the amateur car designer, there are many tools available today that make designing a car easier. Solve realworld problems using the same platform utilized by 24 out of the top 25 automobile manufacturers in the world. Which software should one use to design suspensions for the. Analysis of wishbones, upright, fsae, tiredata, etc. Maintain free length and rate throughout a near infinite. The 2002 lawrence technological universities formula sae car will be used as an example throughout this paper. To verify that, i compered my results with the results obtained using lotus suspension analysis software.
Computer simulation is a key part of the automotive development process. Not a good solution, but carrol smiths tune to win has a method to test suspension geometry using paper and brass brads, though that requires you to get crafty. Lower lateral link, upper reversed aarm, twin trailing links rear a variation on the above. From creating an accurate model of the car and every nut and bolt in it in 3d, to the design and simulation of critical aspects such as the chassis and suspension, software programs have become commonplace to amateur car design. If you don t see it there not all versions have it, check the newer ones until you find the folders. Nov 21, 2011 a quick video of the mtsu fsae suspension setup that i designed. How much thought goes into your suspension geometry. The unequal aarms with tierod on front and rear suspension are detailed.
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