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Development of an AMESim Idle Rattle Model for System Design Parameter Analysis

This report outlines the objectives and work plan of the CAViDS Consortium project, focusing on the development of an AMESim idle rattle model. The aim is to analyze the impact of key design parameters—namely flywheel angular acceleration, oil level churning drag, pre-damper spring rate, and main shaft drive clearance—on idle rattle. The project involves constructing a basic model, populating it with measured and calculated parameters, calculating expected idle rattle with standard input, and performing parametric sensitivity studies while comparing results with experimental testing.

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Development of an AMESim Idle Rattle Model for System Design Parameter Analysis

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  1. CAViDS Consortium Idle Rattle Modeling A CAViDS Consortium Project CAViDS Report June 12, 2013

  2. CAViDS Consortium Project Objective Develop an AMESim idle rattle model to determine the effect of key system design parameters on idle rattle. The focus will be on flywheel angular acceleration oil level churning drag, pre-damper spring rate, and main shaft drive clearance.

  3. CAViDS Consortium Work Plan Construct basic AMESim idle rattle model Populate the model with measured and calculated parameters for target transmission Calculate expected idle rattle with standard input and perform parametric sensitivity study Compare results with testing

  4. CAViDS Consortium AMESim Idle Rattle Model

  5. CAViDS Consortium Standard Parameters

  6. CAViDS Consortium Initial Results

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