The cars are meant to be build and marketed as weekend racers for nonprofessional drivers. Download or buy, then render or print from the shops or marketplaces. Student formula japan sfj is a competition held annually by the japanese society of automotive. Placement of attenuator in a frame of a formula car international journal of mechanical and production engineering, issn. Vignesh 3 in their work tested the plate and tube type impact attenuator by drop weight test analysis method. Numerical simulation of the impact crash test, journal of. Design of the impact attenuator for a formula student racing car. It is very important to notice that it was not used all car body structure, but only the frame that. Design and optimization of an fsae frame, suspension, and. For the purpose of this notice and subsequent discussions an impact attenuator that has been 1 properly fabricated 2 from the required material and 3 to the dimensions of the standard impact attenuator design posted to this page is referred to as the type 11 impact attenuator.
The challenge is to develop an impact attenuator system that can effectively absorb the impact energy within the given space and fulfil the specified rate of deceleration. Worawat, design and analysis of impact attenuator for student formula, sae technical paper, 2015. Design and experimental verification of composite impact. In this study, the method of analyzing the thinwall crashing box of impact attenuator for student formula is proposed by the means of simulation and validation following formula society of automotive engineerssae rules. Perform finite element analysis using lsdyna software and interpretation of the results in terms of peak deceleration and total energy absorption. The formula sae racing competition requires an impact attenuator to be attached to the front of the racing vehicle to slow the vehicle in the event of a frontal crash. Formula sae standard impact attenuator fsaeia12 as per rule b3. I made a model in solidworks priamidal with 3 aluminum honeycomb panels. The student formula participants are challenged to pass the boundaries so that in designing and making the impact attenuator must pay attention to the strength and use of the minimum material so. University of liverpool motorsport testing various impact attenuator designs for use at the formula student competition in 20. The results of the data from the impact attenuator test with abaqus software are attached to figure 4. Design of crash worthy impact attenuator for racing automotive applications. The main aim of this paper is to design and fabricate a lightweight, costeffective impact attenuator for formula sae cars made up of used cola and beer aluminum cans. Impact attenuator absorbs the required amount of energy 7350j before total crushing of the device.
Impaxx foam is highly suited for applications in a variety of industries requiring enhanced safety features through energy absorbing countermeasures. Design and fabrication of impact attenuator for formula. Completion of all forms are mandatory depending on your class and fuel type and failure to submit them may cause a deduction of points or disqualification from the competition. On friday 334 teams finished the registration quiz for formula student germany 2020, which has been a new record for fsg. This study focuses on an impact attenuator structure designed for a racing car under the formula student fs regulations. An educational engineering exercise at philadelphia university munzer sy ebaid, shatha ammoura, and kutiaba jm alkhishali international journal of mechanical engineering education 2016 44. 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. Chassis and impact attenuator design for formula student race car 30th august 2012 by ahmed oshinibosi, bentley, leeds graduate project supervisor. I have to make an impact attenuator to absorb a blow in the event there is.
University of liverpool motorsport formula student team. Design of ia and positioning to aip dimensions dimension of the front bulkhead design of aip material, thickness, dimensions attachment method of the ia to the aip. 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. To accomplish this, a literature study will be carried out to find any relevant information regarding baffle silencers.
The design of a formula student front impact attenuator. Written by giovanni belingardi and jovan obradovic discusses the design of an impact attenuator on conical nose shape using two different materials, steel s275jr uni en 10025 fe430 and. The impact attenuator designed by them is shown below in fig. A two stage impact attenuator was built for testing. Design and physical testing of impact attenuator for fsae. Previous designs of the front impact attenuators made by ure are based on very simple and. Paper open access design and testing impact attenuator of. Fsae impact attenuator manufactured from dow impaxx 700 product details impaxx 700 foam is a highly engineered, extruded, thermoplastic foam that utilizes dow proprietary process technology to maximize efficiency and minimize weight. The fsae rules require the impact attenuator have minimum dimensions of 200 mm by 200.
Geometry of the model this work is based on the analysis and improvement of the design of the impact attenuator and after on the design and improvement of the behavior of the links of the energy absorbing structure to the car body. Impaxx 700 foam is a highly engineered, extruded, thermoplastic foam that utilizes dow proprietary process technology to maximize efficiency and minimize weight. Properly fabricated and mounted impact attenuators made from dow impaxx 700. This project included the design, modeling, fabrication and testing of two impact attenuator design.
From the test result, the impact attenuator fulfills the 2017 formula sae t3. Here you will find all forms and documents that must be completed for entry to formula student. Mounting holes shown are for reference only attachment is up to the team to determine. Finite element validation of an energy attenuator for the. Design, build, and test a formula student racing car. This new design utilized the standard aluminium 6063 circular tubes, cut and welded into specific configurations i. This is the first year that the team has competed at this event, and is likely to be a permanent addition to the teams calendar. Building an electric vehicle for formula sae msc software. Analysis of impact attenuator for formula sae car,international journal of scientific and research publications, volume 2, issue 10, october 2012 1 issn 22503153. Geometric modelling to perform any type of worthwhile analysis, the design team decided the geometrical limits of the impact attenuator should be determined.
Design and analysis of impact attenuator for student formula 2015010094 in this study, the method of analyzing the thinwall crashing box of impact attenuator for student formula is proposed by the means of simulation and validation following formula society of automotive engineerssae rules. The most important part of the front impact attenuator is made out of rohacell foam. Mar 27, 2012 i am a student who is working on the formula student. Study and design of impact attenuator for passenger vehicle. Design, manufacture and testing of an impact attenuator for a. This foam absorbs and dissipates the kinetic energy of the car during a crash. Finite element model complete simulation was done using finite element model developed in hyper mesh software. The student community is a public forum for authorized ansys academic product users to share ideas and ask questions.
Formula sae impact attenuator, worcester polytechnic institute, plascore, 20092010. This current project is carried out at philadelphia university and describes the work associated with the design, build, and test a formula student racing car in order to compete at formula student competition at uk 2014. The formula sae rules committee has tested a type 11. Formula student impact attenuators, then the next step was the requirement analysis in order to set the goals for the design process from the aspect of the team and the car, while the formula student rules had to be met. Our test results indicated that the specimen satisfied the requirements of b3. Ulm formula student impact attenuator testing 2012. An overview of design optimization of impact attenuator. Numerical simulation of several impact attenuator design for.
Impact attenuator nose cone designing for formula student. Overall dimensions of the attenuator taken were 210 x 210 x 100 mm3. Novel design of impact attenuator for an eco challenge. Ulm formula student impact attenuator testing 2012 youtube. Design and fabrication of impact attenuator for formula sae car. Based on the calculated results, it is found that impact attenuator made up of aluminum cans satisfies all functional requirements and design rules set up by formula sae. Design of the impact attenuator for a formula student racing car 56 3. Additionally computational software will be made to complement the written methods. The formula student competition in gyor, hungary marks the final competition event of the university of liverpool motorsport teams summer season. Apr 02, 2014 chassis and impact attenuator design for formula student race car 30th august 2012 by ahmed oshinibosi, bentley, leeds graduate project supervisor. Numerical simulation of several impact attenuator design for a formula student car conference paper pdf available in aip conference proceedings 19311. Numerical simulation of the impact crash test, journal of the serbian society for computational mechanics.
The chassis design centered around accommodating this new battery and creating a roomier cockpit. Drop test analysis of impact attenuator for formula sae car. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. The study will include older established methods while also attempting to find more recent ones. C barton read the full report here abstract generally, in the automotive industry, weight reduction, cost of engineering design. Design and analysis of impact attenuator for supra saeindia. To critically assess the functionality of the impact attenuator arrester device, a small cluster of the honeycomb crosssection was modelled within solidworks, then run through static structural analysis using ansys software. The formula sae competition is organized by the society of automotive engineers, and was developed to allow college students to design, manufacture, and drive a formula style racecar. Pdf design of the impact attenuator for a formula student. Chassis and impact attenuator design from leeds altair. Design and development of impact attenuator for racecar safety.
Impact attenuator, formula student, crashworthiness, beverage tins. Custom designs must be physically tested to show that the attenuator absorbs at least 7350 joules of energy and that a 300 kg vehicle impacting. Wpis fsae racecar requires an impact attenuator that can protect the driver and frame when mounted on the front bulkhead of the vehicle. The only constraint for the maximum volume of the impact attenuator is the nose cone of the racecar. Also, the peak deceleration is 26g and average deceleration is 10. Formula sae and formula student are collegiate engineering competitions with over 500 participating schools that challenge teams of students to design and build a formula style car. The formula sae rules committee has tested a type 11 impact attenuator specimen built from dow impaxx 700 energy absorbing foam. An exact year later singhal arpit and subramanium s. Mar 05, 20 university of liverpool motorsport testing various impact attenuator designs for use at the formula student competition in 20. Jun 03, 2010 solidworks sae design project teaches students how to use solidworks software to help design a vehicle for the formula sa. Forms for the 2020 competition will appear here shortly. Manufacturing of formula student impact attenuator. Fsae impact attenuator 3d cad model library grabcad.
Calculation methods for predicting attenuation of parallel. Impact attenuator the following details should be submitted with the impact attenuator data submission description of. Introduction student formula japan sfj is a competition held annually by the japanese society of automotive engineers jsae which competes 2 categories including static event and dynamic event. The fs rules require that the dynamic response of the energy absorption system should be such that, for a 300 kg car impacting into a rigid barrier at 7 ms speed, the acceleration peak cannot exceed the value 40 g, and the. We widened the front of the frame to incorporate a standard impact attenuator and to make for a more comfortable ride during the lengthy endurance race. Design of the impact attenuator for a formula student. Our teams main goal was to design an impact attenuator that will meet and surpass the deceleration and size requirements set forth by fsae rules. The initial design was made on the creo parametric 2. An impact attenuator, which is also known as a crash attenuator or cowboy cushions, is a device which is. The paper entitled design of the impact attenuator for a formula student racing car. The student formula participants are challenged to pass the boundaries so that in designing and making the impact attenuator must pay attention to the. Design of ia and positioning to aip dimensions dimension of the front bulkhead design of aip material, thickness, dimensions attachment method of. Design and analysis of impact attenuator for student formula.
The cross section allowed by the nose, which covers the impact attenuator, is just 100 mm high and 200 mm wide along the frontrear direction of the racing car. The impact attenuator has to comply with rules speci ed by the formula student organization 04. Witteman, formula student racing team eindhoven crash safety, mt06. Through my work i had to design the geometry, considering factors such as aerodynamics, manufacturability and the connection. Design, manufacture and testing of an impact attenuator. Design of the impact attenuator for a formula student racing car 54 2. Generally, in the automotive industry, weight reduction, cost of engineering design and reduction in vehicle development cycle time are becoming increasingly focused on.
Design of a formula student impact attenuator tue 1. Paper open access design and testing impact attenuator. An overview of design optimization of impact attenuator for. According to the formula competition rules, the impact attenuator must satisfy the following requirements. Design and analysis of impact attenuator for student formula 2015010094. Cost effective impact attenuator for a formula student car.
Design and development of impact attenuator for racecar. Conclusion the behavior of an impact attenuator for formula sae. This impact attenuator is manufactured using materials mentioned before. Impact attenuator nose cone designing for formula student racecar. Design and fabrication of impact attenuator for formula sae. Design and testing impact attenuator of formula sae fg17 garuda. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The car is evaluated in automotive design and performance through a series of static and dynamic events which focus on safety, manufacturability and of course out.
I am a student who is working on the formula student. Numerical simulation of the impact crash test by giovanni belingardi and jovan obradovic. Solidworks sae design project teaches students how to use solidworks software to help design a vehicle for the formula sa. International research journal of engineering and technology irjet eissn.
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