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CAD/CAM/CAE Technology, 2017
Viewing 1 to 24 of 24
Numerical Investigation of Jet-Wake and Secondary Flows in a Hydrodynamic Torque Converter
Author(s): Chen, J. and Wu, G.
Abstract Jet-wake flow and secondary flows are undesirable in torque converters as they are responsible for flow losses and flow nonuniformity; that is, jet-wake flow and secondary flows negatively af....
Transient Fatigue Analysis of Exhaust System Mounting Brackets for Commercial Vehicle - Correlation
Author(s): P, S., Sujatha, C., and K., C.
Abstract In commercial vehicles, exhaust system is normally mounted on frame side members (FSM) using hanger brackets. These exhaust system hanger brackets are tested either as part of full vehicle du....
A Similarity Evaluation Metric for Mesh Based CAE Model Simplification and Its Application on Vehicle
Author(s): Yang, X., Zhan, Z., Jiang, N., Yang, J. et al.
Abstract To obtain higher efficiency in analysis process, simplification methods for computer-aided engineering (CAE) models are required in engineering. Current model simplification methods can meet ....
Local Deformation of Hollow Crankshafts under Transient Conditions and their Effect on Durability and Slider Bearing Behavior
Author(s): Basic, M. and Resch, T.
Abstract This paper describes a numerical study of the effect of hollow crankshafts on crankshaft local strength and durability as well as slider bearing contact behavior. Crankshaft dynamic simulatio....
Predicted Machining Dynamics for Powertrain Machining
Author(s): Ziada, Y., Yang, J., and DeGroat-Ives, D.
Abstract Owing to decreased development cycle timing, designing components for manufacturability has never been as important. Assessing manufacturing feasibility has therefore become an increasingly i....
A Geometrically Exact Isogeometric Blended Shell: Formulation, Benchmarking, and Automotive Application
Author(s): Zou, Z., Willoughby, D., Scott, M., El-Essawi, M. et al.
Abstract We present a geometrically exact isogeometric blended shell formulation. In other words, all geometric quantities appearing in the blended theory are evaluated exactly and no approximations a....
Development of Prediction Method for Engine Compartment Water Level by Using Coupled Multibody and Fluid Dynamics
Author(s): Tanaka, Y., Yamamura, J., Murakawa, A., Tanaka, H. et al.
Abstract When vehicles run on the flooded road, water enters to the engine compartment and sometimes reaches the position of the air intake duct and electrical parts and causes the reliability problem....
Water Ingress Analysis and Splash Protection Evaluation for Vehicle Wading using Non-Classical CFD Simulation
Author(s): Khapane, P., Chavan, V., and Ganeshwade, U.
Abstract Physical testing of a vehicle wading through water is performed to gauge its capability to traverse through shallow to deep levels of water, wherein various vehicle performance parameters are....
Leveraging Mathematical Models for Efficient Design of Chassis and Powertrain Systems
Author(s): Katare, S., S, R., Ram, G., and Nammalwar, G.
Abstract Model based computer-aided processes offer an economical and accelerated alternative to traditional build-and-test "Edisonian" approaches in engineering design. Typically, a CAE based design ....
Multi-Fidelity Total Integrated Simulation Technology for High Pressure Pump with Squeeze Film Effect
Author(s): Oh, U., Kusano, K., Nonaka, N., and Yamakawa, H.
Abstract Automotive fuel can be efficiently combusted by injecting it into the cylinders at high pressure to atomize it to pass the regulations for exhaust gas and fuel economy. For this reason, autom....
The Ecosystem for Engineering Design Applied to Formula SAE
Author(s): Jones, R., Steingrimsson, B., Etesami, F., and Yi, S.
Abstract Modern mechanical design is heavily supplemented by computer-aided design and engineering (CAD/CAE) tools. The predominance of these tools have been developed to augment the analysis efforts ....
The Finite Element Analysis of Axle Nut Crimping
Author(s): Lai, J., Ziada, Y., and Yang, J.
Abstract In the assembly of axles and wheel hubs, a nut is frequently used to fasten them as one unit. In order for the nut to hold the assembly in its final position, crimping is a widely-used method....
Prediction Method for Water Intrusion into the Engine Air Intake Duct while Running on Flooded Road at the Early Stage of Vehicle Development
Author(s): Yoshitake, K., Tateyama, H., and Ogawa, A.
Abstract Vehicles are required durability in various environments all over the world. Especially water resistance on flooded roads is one of the important issues. To solve this kind of problem, a CFD ....
Optimizing the Geometry of Degas Bottle Using CAE/CFD
Author(s): Mehravaran, M. and Zhang, Y.
Abstract Degas bottles have been extensively used in vehicles in order to act as an air pillow on top of the cooling loop and provide space for expansion. One of the important characteristics of the b....
Development of a Particulate Trapping System and Investigation of Effects of Viscosity of the Filter Media Using Experimental and Computational Methods
Author(s): Liu, Y.
Abstract A cost effective, portable particulate management system was developed, prototyped, and evaluated for further application and commercialization, which could remove and dispose particulate mat....
Use of an Eulerian/Lagrangian Framework to Improve the Air Intake System of an Automobile with Respect to Snow Ingress
Author(s): Huber, C., Weigand, B., Reister, H., and Binner, T.
Abstract A simulation approach to predict the amount of snow which is penetrating into the air filter of the vehicle’s engine is important for the automotive industry. The objective of our work was to....
Sand Dune Impact Simulation
Author(s): Khapane, P. and Bhosale, S.
Abstract Robustness to sand dune impact is one of the key requirements for Jaguar Land Rover products. Historically off road vehicles were built on a ladder sub frame; and the steel cross beam at the ....
High Frequency Sloshing - Energy Dissipation and Viscous Damping through CFD
Author(s): Blas Martinez, L., Palma, R., Gomez, F., Vaishnav, D. et al.
Abstract Liquid sloshing is an important issue in ground transportation, aerospace and automotive applications. Effects of sloshing in a moving liquid container can cause various issues related to veh....
CFD Driven Parametric Design of Air-Air Jet Pump for Automotive Carbon Canister Purging
Author(s): Vaishnav, D., Ehteshami, M., Collins, V., Ali, S. et al.
Abstract A jet pump (also known as ejector) uses momentum of a high velocity jet (primary flow) as a driving mechanism. The jet is created by a nozzle that converts the pressure head of the primary fl....
Towards a One Day Frame Model Build
Author(s): Katare, S., Reddy, D., Ourchane, A., and Nammalwar, G.
Abstract Virtual Verification (VV) of engineering designs is a critical enabler in the Product Development (PD) process to reduce the time-to-market in a cost efficient manner. Reliance on cost effect....
Effects of Journal Roundness Phase and Amplitude on Lubrication of Engine Bearings with Consideration of Straightness
Author(s): Wang, B., Zhou, J., and Xu, M.
Abstract Manufacturing tolerances are inevitable in nature. For the bearings used in internal combustion engines, the manufacturing tolerances of roundness, which is of the micron scale, can be very c....
Analytical Prototype Model Development - Continuous Model Build Approach
Author(s): Sundaram, D., Maire, S., Peruru, S., Shinde, S. et al.
Abstract Computer Aided Engineering (CAE) has been widely utilized as an essential component of the product development phase in the automotive industry. Every successful automotive company has establ....
Computational Aeroacoustics of Mufflers for Exhaust Air Rush Prediction and Experimental Validation
Author(s): Mishra, S., Gummadi, N., Bozzi, L., Vaughn, N. et al.
Abstract Air rush noise is exhaust gas driven flow-induced noise in the frequency range of 500-6500 Hz. It is essential to understand the flow physics of exhaust gases within the mufflers in order to ....
Effective Application of CAE Guidance for Hemmed Closures Throughout the Vehicle Development Process
Author(s): Kulkarni, H., Wang, Y., and Alanoly, J.
Abstract The perceived quality of automotive closures (flushness and margin) is strongly affected by flanging and hemming of the outer panels and assembly respectively. To improve the quality of closu....
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