Watch this 18minute archived webinar to learn the basics of modeling thermal stress in the comsol multiphysics software. Theoretical, closedform solutions are typically based on continuous mathematical. Thermal analysis is carried out for the application of. Comsol multiphysics and its gui but would like to learn more about how to set up a certain model. Thermal analysis of two wheeler brake disc using ansys. Thermal analysis is carried out for the application of braking force because of friction. The previous figure visually shows that the vented disc is less heated than the solid disc. Analysis of an automobile disc brake comsol multiphysics. Analyzing mechanical designs and systems gives you the understanding and ability to optimize your components and assemblies. So a careful design and material selection is necessary to avoid the premature failure of the disc brake. Surface temperatures of the disc and pad immediately prior to releasing the brake at t1.
Structural and thermal analysis of rotor disc of disc brake. This example models the heat generation and dissipation in a disc brake of an. So, the model is meshed and then analysed to get the detail and correct result of the stress of the contact surface figure 5 thermal meshing of disc brake figure 6 structural meshing of disc brake. It is then important to determine the temperature field of the brake disc. Multiobjective optimization of a disc brake system by using spea2 and rbfn v.
In the present work, thermal analysis of the wheelmounted brake disc r920k for the er24pc locomotive is investigated. The results obtained showed that temperature distributions and the subsequent stress distributions were proportional as contact materials were. Generally, brake system is designed to apply frictional resistance to stop the vehicle. Thermal analysis of both ventilated and full disc brake. The main purpose of this study is to analyze the thermomechanical behavior of the dry contact between the brake disk and pads during the braking phase. In this work, the analysis of the thermomechanical behaviour of the dry contact between the brake disc and pads was presented.
Test it out by attending a handson workshop, where you can get. Pdf study on transient thermal analysis of a disc brake during. Research paper structural and thermal analysis of disc brake. Analysis of disc brake squeal using the finite element method. Transient thermal and structural analysis of the rotor disc of disk brake is aimed at evaluating the performance of disc brake rotor of a car under severe braking conditions and there by assist in. The purpose of this paper is to develop a thermal model using comsol multiphysics software that aims to get an idea of the heat flow around the asic, as well as to address the thermal issues for integrated circuits at the tongue board. Conclusion the main conclusions drawn from the program of work reported in this paper are as follows. Pdf analysis of frictional heating and thermal expansion in a disc. You can even use these entries as a starting point for your own models. An attempt is made to analyse the brake disc using analytical as well as finite element analysis for its temperature as. Maximum temperature of the disc during repeated braking applications. Jun 01, 20 step by step procedure of how to do steady state thermal analysis of a disc brake fsae in ansys workbench.
Nov 10, 2015 in this thesis thermal stresses in a brake disc during a braking operation are simulated. The objective of this paper is to model and analyse stress concentration, structural deformation and thermal gradient of disc brake. The simulations are performed by using a sequential approach where the temperature history generated during a frictional heat analysis is used as an input. The comsol sales and support teams are available for answering any questions you may have regarding this. This paper studies about the model of a disc brake used in honda civic.
We discuss the advantages of performing a thermomechanical analysis early in the product design process as well as important mechanisms to consider, such as thermal expansion, phase change, and thermal creep. Analysis of frictional heating and thermal expansion in a disc brake. Finite element analysis of disc brakes for thermal effect. This example models the transient heating, and final temperature, of a disc brake of a car in brakeandrelease sequence. The issue of nonuniform frictional heating effects of mutual slipping of a disc over fixed pads is tested using fe models with the several possible to occur in automotive application heat transfer coefficients. Comsol multiphysics and the structural mechanics module use the finite element method to solve problems on a computational mesh using discrete numerical methods. Feb 07, 2016 thermal analysis of brake disc 2015 1.
Structural analysis is done on the disc brake to validate the strength of the disc brake and thermal analysis is done to. Abu bakare a faculty of mechanical engineering, usto oran university 3 oran, algeria b department of mechanical engineering, inha university, incheon, 402751, republic of korea c. Jul 07, 2017 brake disc static thermal fatigue life analysis. Design and thermal analysis of disc brake using ansys. Thermal analysis of rotor disc of disc brake of baja sae. Alternatively, one can also consider professional a. Thermal deformation and stress analysis of disk brakes by finite element method. A computational finite element model of a brake disc for determining transient axisymmetric twodimensional temperature field. The study investigates the thermal and mechanical effect of a braking action on a ventilated carbon ceramic brake disc assembly and determines the best vane profiles for maximum cooling and dissipation of heat. Sequential simulation of thermal stresses in disc brakes for repeated braking iii.
Thermomechanical analysis of automotive disc brake composite rotor. The standard disc brake two wheelers model using in ansys and done the thermal analysis and modal analysis also calculate the deflection and heat flux, temperature of disc brake model. Wei xiong arcada university of applied sciences department of industrial management. Thermal analysis of disc brake using comsol haripal singh and harshdeep shergill department of mechanical engineering, rieit, ropar, p b india r ecieved 15 april 2012 accepted 30 april 2012 abstract. Thermal analysis of a solid brake disc sciencedirect.
Research paper on modeling and simulation of disc brake to analyse temperature distribution using fea. Transient thermal and structural analysis of the rotor disc of disk brake is aimed at evaluating the performance of disc brake rotor of a car under severe braking conditions and there by assist in disc rotor design and analysis. Comsol simulation software is the perfect tool for achieving this. In vbf system the frictional resistance applied to the brake disc can be varied by changing the effective disc radius based on the pillion load. As a result, brake disc convective cooling analysis and optimization is nowadays mostly carried out using cfd commercial codes, see, e. It is important to model the transient heating and the following convective cooling to determine the minimum interval between a series of similar brake engagements.
Complex eigenvalue analysis of the coupled pad disc system has shown that unstable modes exist within different ranges of contact stiffness. Development of a thermal model using comsol multiphysics. The objective of this work is to investigate and analyze the temperature distribution of rotor disc during operation using comsol multiphysics. Thermal analysis of disc brake made of different materials. A microheater should have low power consumption, low thermal mass and better temperature uniformity.
Step by step procedure of how to do steady state thermal analysis of a disc brake fsae in ansys workbench. Numerical analysis of thermoelastic contact problem of disc. The analysis of the heat generation and dissipation between the rotor disc and pad during adverse braking has been done using comsol. Thermalmechanical coupled analysis of a brake disk rotor. Thermal analysis of locomotive wheelmounted brake disc. In this thesis thermal stresses in a brake disc during a braking operation are simulated.
However, the projects created are available openly. Here the disc brake is designed by using solidworks and analysis is done by ansys workbench r 14. Keywords disc brake, thermal analysis, ansys introduction the disc brake is a wheel. Disc brake model and analysis is done using ansys workbench 14.
Analysis of brake disc using finite element method, oct 1920, 2012 8. A thermal analysis is performed on the existing bipolar transistor model in the case when the device is operated in the activeforward configuration. The temperature distribution for vented disc at different time steps. The transient thermal analysis to determine the temperature distributions on the contact surface of a disc brake is performed. Browse the application gallery and download tutorial models with instructions and view example apps. Structural and thermal analysis of rotor disc of disc brake manjunath t v 1, dr suresh p m 2 pg student, department of mechanical engineering, ksit, bangalore, karnataka, in dia 1 hod, department of mechanical engineering, ksit, bangalore, karnataka, india 2 abstract. Professor, school of mechanical and building sciences, vit university, vellore tamil nadu india. Use partial differential equation toolbox and simscape driveline to simulate a brake pad moving around a disc and analyze temperatures when braking. Applications of comsol multiphysics software to heat transfer processes author. Thermal analysis of disk brake using comsol, international. After the analysis, it has been obtained that due to friction between disc pad and disc rotor the temperature rises. The friction heat, which is generated on the interface of the disc and pads, can cause high. Discover more publications, questions and projects in comsol multiphysics. Thermomechanical analysis of automotive disc brake composite.
Thermal analysis of disc brake using comsol research trend. The disc brake used in the automobile is divided into two parts. A threedimensional finite element model with a moving heat source was developed with comsol multiphysics to predict the temperature. Can anyone help with transient structural analysis of two wheeler disc brake 1 answer 2 views 0 followers does any body know how to do a flotran thermal analisys on ansys. Transient analysis of disk brake by using ansys software. For analysis ventilated disc brake was messed using triangular surface mesher. Numerical analysis of thermoelastic contact problem of. Analysis is also done by changing the design of disc brake. Macuzic et al thermal analysis of solid and vented disc brake during the braking process c d fig. Manjunath and suresh 20 treated a structural and thermal analysis of the disc brake rotor by using ansys workbench 14. The application gallery features comsol multiphysics.
Thermomechanical simulation of wear and hot bands in a disc brake by adopting an eulerian approach iv. Pdf structural and thermal analysis of disc brake in. Heat transfer problem with temperaturedependent properties. Thermal analysis of solid and vented disc brake during the.
Structural and thermal analysis of rotor disc of disc. Heat is generated due frictional contact between pad and disc. Thermal analysis of both ventilated and full disc brake rotors with frictional heat generation. By using comsol multiphysics and the heat transfer module, we can model the transient heating and final temperature of the cars disc brake in the given brake andrelease sequence. Complex eigenvalue analysis of the coupled paddisc system has shown that unstable modes exist within different ranges of contact stiffness. Thermal analysis of solid and vented disc brake during the braking. This work deals with the analysis of heat generation and dissipation in a disc brake of an car. One particular existing brake disc design for a medium passenger car was chosen for the investigation. The semiconductor interface calculates the carrier dynamics and currents within the device and outputs a heating term due to electrical processes. Comsol multiphysics users guide 2017 heat transfer module.
Pdf a brake is a mechanical device which slowing or stopping a moving object or preventing its motion. Pdf structural design and analysis of disc brake in automobiles. Structural analysis is done on the disc brake to validate the strength of the disc brake and thermal analysis is. Thermal and structural analysis of disc brake for different.
In this paper, we have looked for geometric optimization of the heater structure to achieve optimizing temperature uniformity by performing analysis using comsol multiphysics, a finite element analysis fea package. The disc brake is a device for slowing or stopping the rotation of a wh eel. Vinodh novel design and analysis of a brake rotor, 2012 ameer fareed basha shaik1, ch. The simulation strategy is based on computer code ansys11. Thermal analysis of both ventilated and full disc brake rotors with frictional heat generation a. The analysis is exemplified on a combination wrench during the application of torque on a bolt. I can also recommend using simscale, a cloudbased simulation platform. Introduction to modeling thermal stress with comsol. Comsol multiphysics and its gui but would like to learn more about how to set up. This example models the transient heating, and final temperature, of a disc brake of a car in brake andrelease sequence. Heat generation in a disc brake comsol multiphysics. This paper deals with the transient thermal analysis of brake disc of variable braking force vbf system using computer software ansys. The number of nodes used in this meshing is 43161 and elements are 28042. Thermomechanical analysis of automotive disc brake.
The brake disc and fluid zone are simulated as a 3d model with a thermal coupling boundary condition. Simscale offers a simulation environment that can be accessed for free. Pdf research paper on modeling and simulation of disc. Test it out by attending a handson workshop, where you can get a trial version of comsol multiphysics and its modules. Design and analysis of disc brake rotor for a two wheeler. Thermal analysis on disc brakes rotor vipul h hingu, lecturer, mechanical department, sb polytechnic, kj campus savli abstract in this paper, authors present our results of thermal analysis of disc brake rotor used by twowheelers in india.
Solve the heat equation with a temperaturedependent thermal conductivity. In this section two thermally coupled disc brake analysis examples are discussed. This tutorial demonstrates how to set up a simple static structural analysis. Scholar, school of mechanical and building sciences, asst. The aim of this paper is to realize the purpose of the holes in the disk brake. Pdf structural design and analysis of disc brake in. In this study, a typical disc brake system was modeled including brake disc and pads. This is significant to understand the action force and friction force on the disc brake new material, how disc brake works more efficiently which can help to decrease the accidents.
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