OPTIMIZATION OF VIBRATION MOUNT PROPERTIES FOR APPLICATION TO SHIPBOARD DIESEL ENGINES. PHASE II

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Authors
  1. Hutton, S.G.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN);Vibe-Tek Research Ltd, Vancouver BC (CAN)
Abstract
This report describes the capabilities of a MATLAB program VVES10 that has been developed in order to assist in the optimal design of isolators for marine engines. The program models the engine as a rigid body, the isolators in terms of a material with viscoelastic properties, and the engine support system as a collection of elastic beams. The full three-dimensional character of the problem is accounted for and the program enables a comparison of different isolator materials and different isolator geometries to be conducted. An analysis of the transmissibility characteristics of a full-scale engine is conducted as an application of the program. This analysis highlights the issues that are important in designing optimal isolator properties and also provides base data for comparison with future experimental results.
Keywords
Computer programs (MATLAB);Diesel engine vibration;Resilient suspension;Vibration isolation;Viscoelasticity;Engine mounts
Report Number
DREA-CR-98-449 — Contractor Report
Date of publication
01 Oct 1998
Number of Pages
73
DSTKIM No
99-00729
CANDIS No
510628
Format(s):
Hardcopy;Document Image stored on Optical Disk

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