Week - 10 Hyperelastic Material Models

AIM: To Create and Simulate the Vehicle Direction Detection based on the requirements using Matlab & Simulink. KEYWORDS: Data Dictionary, SIgnal, Calibration value, Storage Class, etc., SOFTWARE: Matlab & Simulink OBJECTIVE:  Development of MATLAB Simulink model as per requirement. Tag the requirements to…

AIM: To calculate the utilisation of 18kWh Lithium Iron Phosphate (LiFePo4) Battery pack and make the detailed report for the same. KEYWORDS: Voltage, Current, Capacity, Life cycle, Li-ion, Constant power, Constant current, etc., OBJECTIVE: 1. To study the ANR26650M1-B battery cell along with specification. 2. To…

AIM: To simulate the Battery Management System (BMS) with 3 different cases in Simulink. KEYWORDS: State flow, Kalman filter, Coulomb counting, Balancing, Fault cell, etc., SOFTWARE: Matlab & Simulink OBJECTIVE: 1. Initially the model is simulated for 20000 secs with the first case and study the results based on the Kalman…

AIM: To study the different types of Lithium-ion batteries and their characteristics. KEYWORD: LCO, LMO, NCA, NMC, LFP, LTO, Battery capacity, Electrolyte, etc.,   INTRODUCTION: Lithium is the lightest of all metals, has the greatest electrochemical potential, and provides the largest specific energy per weight. Rechargeable…

AIM: To Simulate the Birdstrike on Aero-engine using Explicit Analysis in LS-Dyna. KEYWORDS: Include, Elastic, Non-Linear Plasticity, Boundary conditions, Elform, etc., SOFTWARE: LS-Dyna OBJECTIVES: 1. The given file contains all the 4 parts which as to separate and save part wise. 2. The suitable material is to be created…

AIM: To demonstrate spherical, revolute, cylindrical, and translational joints between two rigid bodies and two deformable bodies.  KEYWORDS: Revolute joint, Spherical joint, Constrained node rigid body (CNRB), Extranodes, Cylindrical joint, Translational joint, Elastic material, Rigid material, etc., SOFTWARE:…

AIM: To simulate and validate the specimen with given data. KEYWORDS: Mooney Rivlin constants, Ogden material constant, Dogbone specimen, Tensile, Engineering Stress, Engineering Strain, etc., SOFTWARE: LS-Dyna OBJECTIVE:  1) To calculate the Mooney Rivlin and Ogden material constants and compare both using stress-strain…

AIM: To Simulate and Validate the curve as shown in the above figure. KEYWORDS: Dogbone Specimen, Rigid material, tensile, True stress, Engg stress, etc., SOFTWARE: LS-Dyna OBJECTIVE: 1. From the above video link, extract the data from the figure and used it for validation. 2. Using the diagram of the true stress-strain…

AIM: To perform the simulation in order to reduce the run time with the help of mass scaling in LS-Dyna. KEYWORDS: DT2MS, TSSFAC, Timestep, Implicit, Explicit, etc., SOFTWARE: LS-Dyna OBJECTIVE: 1) To learn about the mass scaling Technique to reduce the computational time for the analysis. 2) The limit for the…

Aim: To perform the Head Impact Simulation and calculate the Head Impact Criterion (HIC) value for the following cases. KEYWORDS: HIC, Pedestrian, Hood, Include, AIS, etc., SOFTWARE: LS-Dyna OBJECTIVE: 1) Simple head model impacting against a rigid wall (Case-1). 2) Child headform dummy model impacting against…

Aim:  To perform the simulation using ELFORM = 1, 2, -1, -2 and calculate the stretch ratio.   KEYWORDS: ELFORM, Stretch ratio, Strain, Stress, etc., SOFTWARE: LS-Dyna OBJECTIVE: 1) To Create a block of 10mmx10mmx10mm dimension with 10 elements for each direction and use the material card attached (Ogden_Material.k).…

AIM: To perform the simulation of crashes using beam and solid spot welds and compare the outputs. KEYWORDS: Contact energy, Hourglass, Contact, Boundary condition, Materials, Section, Initial Velocity, etc., SOFTWARE: LS-Dyna OBJECTIVE: For the given meshed model check for the number of parts and rename…

AIM: To create the simulation of falling of mobile on the ground using proper input. KEYWORDS: Contact energy, Hourglass, Contact, Boundary condition, Materials, Section, Initial Velocity, etc., SOFTWARE: LS-Dyna OBJECTIVE: For the given meshed model check for the number of parts and rename accordingly.…

AIM: To implement the proper connections for given meshed model (Rear door model) .  KEYWORDS: Spot weld, Spot line, CONMi, Cluster, C-Bush etc., SOFTWARE: Ansa OBJECTIVE: To study the various types of connections and apply suitable connections to the Model. INTRODUCTION: The way that some parts of an assembly are…

AIM: To Create meshing for the vehicle hood by cleaning geometry errors and making midsurface using ANSA. KEYWORDS: Topo, Cons, CFD, Nastran, mesh, etc., SOFTWARE: Ansa OBJECTIVE: 1. To check the number of parts included in the given assembly. 2. To clean up the geometry for each part and do topo. 3. Creating midsurface…

AIM: To create the simulation of falling of mobile on the ground using proper input. KEYWORDS: Contact energy, Hourglass, Contact, Boundary condition, Materials, Section, Initial Velocity, etc., SOFTWARE: LS-Dyna OBJECTIVE: For the given meshed model check for the number of parts and rename accordingly. Creating suitable…

AIM: Morphing the given component with various techniques. KEYWORDS: Morphing, Topo, Wrap tools, etc., SOFTWARE: Ansa OBJECTIVE:  ( i ) For the given component check for the geometrical errors.  ( ii ) After the clean up the geometry errors, morphing the component.  ( iii ) Morphing the component can be…

AIM: To Create connectors for the given model as mentioned above. KEYWORDS: Bolt, Spot, Seam, Spring, Hexa, Rigid, etc., SOFTWARE: Hyperworks OBJECTIVE: Checking for the geometry cleanup is a primary thing that helps to define the geometry completely. After the geometry cleanup, quad meshing is performed based on the study.…

AIM: To create 3D tetra mesh for the given models as per quality criteria. KEYWORDS: Tetrarapid, Quicktetra, Volume Tetra, Tet collapse, etc., SOFTWARE: Hyperworks OBJECTIVE:  Initially check for the geometry cleanup of housing, crank housing, and suspension strut. After the geometry cleanup, meshing is performed…

AIM: For the given rearview mirror model, apply structured (Ortho Tria & Tria) and unstructured (Tetra rapid or Tetra FEM) mesh accordingly. KEYWORDS: Ortho tria, Tria, Tetra Rapid, Volume mesh SOFTWARE: Ansa OBJECTIVE: To check for Geometry errors, and wkt the model is not a solid type. Meshing the faces with structured…

AIM: To Create meshing for the Bottle Cap Model by cleaning geometry errors and making midsurface using ANSA. KEYWORDS: Topo, Cons, CFD, Nastran, mesh etc., SOFTWARE: Ansa OBJECTIVE: 1. To check the number of parts included in the given Model. 2. To clean up the geometry and do topo. 3. Creating Mid_Surface and again check…

AIM: To Mesh the given Hood component with the given quality criteria. KEYWORDS: Aspect ratio, Warpage, Skewness, Latch, Hinge, Inner & Outer Extract.  SOFTWARE: Hypermesh OBJECTIVE: To clean up the geometry for each part and create the Midsurface. After creating the midsurface, mesh the part with the given…

AIM: To Analyze the Side Crash (BIW) of a Car by simulating with recommended parameters. KEYWORDS: A-pillar, B-pillar, Rigid Wall, Rigid Body, Section, Skew, Frame, etc., SOFTWARE: Hypermesh - Hypercrash OBJECTIVE: Check the given Car BIW for any free parts are presented. Check for the Penetration &…

AIM: To Analyze the Frontal crash (BIW) of a Car by simulating with recommended parameters. KEYWORDS: A-pillar, B-pillar, Bumper, Rigid Wall, Rigid Body, Accelerometer, Section, Skew, Frame, etc., SOFTWARE: Hypermesh - Hypercrash OBJECTIVE: Check the given Car BIW for any free parts that are presented. Check for the Penetration…

AIM: To Create the mesh for the Side door component with given quality criteria. KEYWORDS: Aspect ratio, Skewness, Warping, Taper, Geometry cleanup, Midsurface, etc., SOFTWARE: Hyperworks OBJECTIVE:  ( i ). For the given component check for Geometry clean up & Topo the model. ( ii ). After the cleanup, perform…

AIM: To Create the mesh for the Floor Panel component with given quality criteria. KEYWORDS: Aspect ratio, Skewness, Warping, Taper, Geometry cleanup, Midsurface, etc., SOFTWARE: Hyperworks OBJECTIVE:  ( i ). For the given component check for Geometry clean up & Topo the model. ( ii ). After the cleanup, perform…

AIM: To calculate specific heat, entropy, enthalpy, and molecular weight for all species given in NASA thermodynamic data file using Matlab. KEYWORDS: Specific heat, Entropy, Enthalpy, Molecular weight, Atomic mass SOFTWARE: MATLAB OBJECTIVE: 1. To calculate specific heat, entropy, enthalpy, and molecular…

AIM: To mesh the given Dashboard model based on quality criteria. KEYWORDS: Topo, Batch mesh, Jacobian, Aspect ratio etc., SOFTWARE: Ansa OBJECTIVE:  ( i ). For the given component check for Geometry clean up & Topo the model. ( ii ). After the cleanup, perform the midsurface and again check for geometry clean…

AIM: To mesh the given Rear Suspension Assemble model based on quality criteria. KEYWORDS: Topo, Tetra Rapid, Tetra FEM, Ortho tria, Aspect ratio, etc., SOFTWARE: Ansa OBJECTIVE:  ( i ). For the given Rear Suspension Assemble model check for Geometry clean up for each part & Topo the part. ( ii…

AIM: To Calculate the given equation by using the Explicit and Implicit methods. KEYWORDS: Nonlinear analysis, load control, Explicit, Implicit, Newton-Raphson, Taylor Series, etc., INTRODUCTION: The finite element method (FEM) is a numerical problem-solving methodology commonly used across multiple engineering disciplines…

AIM: To create the 1D element on the given component with the given cross-section and DOF. KEYWORDS: Bar, Beam, Rod, Spring, Rigids (RBE2), RBE3, etc., SOFTWARE: Hypermesh OBJECTIVE: Initially, the given component is checked for geometry errors and do an auto cleanup tool. After the geometry cleanup, Midsurface is created…

AIM: To convert the given SI unit systems to default unit system in LS-Dyna (Kg-m-s) with conversion factor. Given: MASS 1kgLENGTH 1mTIME 1sFORCE 1NSTRESS 1PaENERGY 1NmDENSITY 1Kg/m3YOUNG'S Modulus  210GPaVelocity 56.33KMPHGRAVITY 9.8m/s2 Conversion to gm-mm-ms: N = Kg*m/s2     = 1e-3 kg * 1e-3 m /…

AIM: To create the mesh for bumper assembly and to study the different case in hypercrash based on interface concept and plot the results. KEYWORDS: Interface, Node, Penalty, Master node, Slave node, Gap, Penetration, Scale factor, Stiffness, Strain, Resistive force. SOFTWARE: Hypermesh -> Hypercrash OBJECTIVE:  To Mesh…

AIM: To run the simulation for 7 different cases and obtain the results. LAW1_Elastic LAW36_Elasto_plastic LAW2_EPSMAX_Failure LAW2_EPSMAX_Crack LAW2_EPSMAX_No_Fail LAW2_Johnson_Cook LAW27_Elasto_Plastic_Brittle KEYWORDS: Epsilon max, Elastic, Yield, Von_moses stress, Kinetic energy, Internal energy etc., SOFTWARE: Hypermesh…

AIM: To simulate the crash beam file using Hypermesh and plot the results. KEYWORDS: Engine run time, Energy error, mass error, Hourglass, Von mises stress, etc., SOFTWARE: Hypermesh OBJECTIVE: 1.Using the crash beam file , change the run time to 55 ms. 2. Change the number of animation steps during simulation to a minimum…

AIM:  ( 1 ). To calculate the speed of sound and time of steel rail by using material property. ( 2 ). To apply 3D mesh for Arm_bracket and Housing components. ( 3 ). Practise the 1D element for the given component. KEYWORDS: Tetra mesh, Hexa8, Beam, Truss, Spring, Speed of Sound,  Youngs modulus, Density…

AIM: To create Mid_surface and Mesh the given component using Hypermesh. KEYWORDS: Toggle, Washer split, Equivalence, Project, Position, Node, Mesh etc., SOFTWARE: Hypermesh OBJECTIVE: Check for Geometry clean up for the given component. After the clean up, create the mid surface using Auto-mid option. Apply meshing for…

( i ) Geometry Clean_up: ( ii ) Structured Mesh:  Tria mesh used on plane surface and Ortho tria mesh used on curved surface and some neighbouring faces. ( iii ) Unstructured Mesh: Here, Tetra FEM is used for volume. NOTE:  Time taken to complete this model is nearly 6 hrs, because there are some improper construction…

( i ) Switch Panel Model: QUALITY CRITERIA: MID-SURFACE: The midsurface can be done manually, auto-mid is not working for this model. MESHING: There are some 2 % off elements formed only in the features. To complete this model, it took around 5 hr 30 mins.   ( ii ) Component Model:   MID-SURFACE:  The…

AIM: 1. To Calculate the energy required for braking for defined driving cycle. 2. To Study Electric brakes, Mechanical brakes, and braking torque for electric motor. 3. Plotting contour of Brushless DC motor speed, torque and efficiency values using Matlab. KEYWORDS: Brakes, Induction motor, EV, Driving cycle SOFTWARE:…

AIM: 1. To Study the equivalent circuit of induction motor. 2. Calculating the ratio of starting torque at half voltage & frequency to rated values. 3. Plotting the speed-torque characteristics for frequency control method using matlab. 4. To Study the operation of BLDC motor. KEYWORDS: Induction motor, BLDC motor,…

AIM:  1. To Study the Power Electronics Circuit and their Losses. 2. To Study the Duty cycle control signal of simple power electronic circuit using Matlab. 3. To Study the Square wave & Sine modulated one. 4. To Study the Variable Frequency Drive (VFD) and Vector Control Drive (VCD) operation. KEYWORDS: Switches,…

AIM: 1. To Study the Induction Motor operation. 2. To calculate the starting time of a drive with following parameters. 3. To determine the stability of a drive with following equations. KEYWORDS: Induction motor, load torque, electromagnetic clutch, syncronous speed SOFTWARE: Matlab OBJECTIVE: 1. Study the operation of…

AIM: 1. To Study the 'Speed control of a DC motor using BJT H-bridge' by using Simulink. 2. To Study the 'Four-Quadrant Chopper DC Drive (DC7) block' by using Simulink. 3. To prepare EV model using DC7 block in Simulink. KEYWORDS: Chopper, H-bridge, DC motor, IGBT SOFTWARE: Matlab, Simulink OBJECTIVE: 1. Study the 'Speed…

AIM: 1. To study the power converters used in vehicle. 2. To calculate the steady state speed of Electric Vehicle. 3. To Study the Induction motor and brushless motor. KEYWORDS: Power converter, Inverter, Duty cycle, Electric vehicle, Induction motor, Brushless motor. SOFTWARE: Matlab OBJECTIVE: 1. Study about power converters…

AIM: 1. To Implement DC machine torque speed characteristics equations in MATLAB script file. 2. Distinguish between power cables and signal cables in wiring of an electric vehicle. 3. To study the voltage levels for a battery pack of electric vehicle. KEYWORDS: DC machine, Power cable, Signal cable, Electric vehicle,…

AIM: 1. To study the mapped and dynamic model of the vehicle. 2. To study the conversion of gallon. 3. To study the WOT drive cycle used in HEV. 4. To study the comparison of HEV and EV powertrains. KEYWORDS: Mapped motor, Gallon, WOT, HEV powertrains SOFTWARE: Matlab, Simulink, Excel OBJECTIVE:  1. To study the difference…

AIM: 1. To Study the FTP drive cycle of electric vehicle using Advisor tool. 2. To Study the battery capacity of the electric vehicle Advisor tool. 3. To Study the gradeability test with PRIUS_Jpn default file in Advisor tool. KEYWORDS: FTP drivecycle, battery, electric vehicle, Advisor tool, gradability. SOFTWARE: Matlab,…

AIM: 1. To calculate the ratio of hill-climbing power required by fully loaded tata ultra truck to the half-loaded one. 2. To calculate the minimum length of the flyover on a national highway. 3. To study the drive cycle and prepare a new drive cycle in excel. 4. Model the WOT (Wide Open Throttle) response of GM EV1 car.…

AIM: 1. To calculate the maximum speed of the motor used in electric scooter. 2. To calculate the vehicle propulsion power using Excel. 3. To calculate total traction power by varying rolling resistance. 4. To study the gradeability, average speed and forces acting on the range rover sport car. KEYWORDS: Electric Scooter,…

AIM: To study the system level simulation of an all terrain vehicle. KEYWORDS: CVT, lookup table, Dashboard, baja ATV SOFTWARE: Matlab, Simulink OBJECTIVE: 1. Study the baja ATV model without dashboard. 2. Study the baja ATV model with dashboard. 3. Study the baja ATV model using lookup table without dashboard. 4. Study…

AIM: 1. Implement control logic of a “washing machine” using Stateflow as per given sequence:  If the power supply is available, the system gets activated  If the Water supply is not available, stop the process & indicate through LED Soaking time should be 200s followed by Washing time of 100s.…

AIM: 1. To determine the workdone of the shaping machine as the tool moves from 0 - 100 mm at a certain force. 2. To evalute the equation by using array datas and store the datas using To File block in simulink. 3. Study the Mass-Spring-Damper system in simulink. KEYWORDS: Shaping machine, To File, Damper. SOFTWARE: Matlab,…

AIM: 1. To determine the movement of doorbell plunger using simulink. 2. Sense the temperature of a heater by thermistor using simulink. KEYWORDS: Solenoid, Thermistor, Resistor SOFTWARE: Matlab, Simulink OBJECTIVE: To determine the movement of doorbell plunger by applying certain condition. To sense the temperature of…

AIM: 1. To evaluate the equation by using simulink blocks. 2. Suspension system comparison using simulink. KEYWORDS: Shock absorber, Damping co-efficient, stiffness, sprung mass and unsprung mass. SOFTWARE: Matlab, Simulink OBJECTIVE: To calculate the equation by using simulink. Run the suspension systems and compare the…

AIM: To evaluate the Global maxima by genetic algorithm using Matlab. KEYWORDS: Genetic Algorithm, optimoptions, PopulationSize. SOFTWARE: Matlab INTRODUCTION: As early as 1962, John Holland's work on adaptive systems laid the foundation for later developments.By the 1975, the publication of the book Adaptation in Natural…

AIM: To study the 'N' polynomials of the curve fittings using matlab. KEYWORDS: curve fitting, temperature, specific heat SOFTWARE: Matlab INTRODUCTION: A curve fitting is the process of constructing a curve, or mathematical functions, which possess the closest proximity to the real series of data. By curve fitting, we…

AIM: To study the transient behavior of simple pendulum and create animation of motion of the simple pendulum. KEYWORDS: Simple pendulum, Newtons II law, ODE SOFTWARE: Matlab OBJECTIVE: 1. To determine the velocity and displacement of simple pendulum. 2. Create animation of motion of simple pendulum using movie command.…

AIM: To study the working of an OTTO cycle by using matlab and determine the engine parameters. KEYWORDS: Otto cycle, Thermal efficiency, Isentropic, Isochoric. SOFTWARE: Matlab OBJECTIVE: 1. To study the working method of an Otto cycle. 2. To determine the thermal efficiency of an engine. INTRODUCTION: Otto cycle engine…

AIM: TO Simulate and create animation of forward kinematics of a 2R robotic arm by using matlab programming. KEYWORDS: Kinematic, Robotic Arm, Degrees of freedom SOFTWARE: MATLAB OBJECTIVE: 1. Simulation of forward kinematics of a 2R robotic arm (movement of links). 2. Animated video of an output. INTRODUCTION: …