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Technical Paper

Simulation Driven Optimization of Automotive Floor Console Mounting Brackets – An Overview

2018-04-03
2018-01-1020
Floor consoles or Center consoles are an indispensable part of Automotive Cockpit systems in modern passenger vehicles. It occupies space between the front seats in the car and has a lot of utilities and functionalities. The center console design can be very simple as just providing an enclosure for the gear shifter and parking brake and as complex as having storage bins with armrest which can slide. Now-a-days a lot of functionalities are being provided by the center console such as housing the AC vents at the rear, provision for USB and power outlets etc. All these utilities within the center console demand a certain amount of structural rigidity to meet the functional requirements as well as applicable regulatory requirements. The console mounting bracket usually serves to attach the plastic center console to the steel underbody. It also acts as a load carrier for the console and its design influences the overall stiffness and modal characteristics of the console system.
Technical Paper

An Investigation of Body Inertance Response for Occupant Safety Control Module Attachment Regions

2016-04-05
2016-01-0473
Current generation passenger vehicles are built with several electronic sensors and modules which are required for the functioning of passive safety systems. These sensors and modules are mounted on the vehicle body at locations chosen to meet safety functionality requirements. They are mounted on pillars or even directly on panels based on specific packaging requirements. The body panel or pillar poses local structural resonances and its dynamic behavior can directly affect the functioning of these sensors and modules. Hence a specific inertance performance level at the mounting locations is required for the proper functioning of those sensors and modules. Drive point modal frequency response function (FRF) analysis, at full vehicle model for the frequency range up to 1000 Hz, is performed using finite element method (FEM) and verified against the target level along with test correlation.
Technical Paper

A Novel Virtual Approach of Air Intake System Acoustic Sensitivity Study for Passenger Vehicle

2017-01-10
2017-26-0206
Modern day customer awareness on noise and comfort is extremely increasing, which demands OEM manufacturers to focus on NVH attributes and to meet environmental legislative requirements. Noise generation mechanism in Air Intake System (AIS) is one of the major sources for vehicle interior noise and it occurs mainly because of air column oscillation by sharp pressure pulsation from opening and closing of valves in engine cylinders. Air intake system designer has immense challenges to attenuate intake noise during design stage, in order to meet the vehicle interior noise requirements by using multiple resonators to tune the desired broad band frequencies and to choose the optimum number of resonators. The placement of resonator on both the clean duct and dirty sides is also a key challenge for better noise reduction from air intake system.
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