Evaluation of bond graph based object oriented approach to determination of natural frequencies of packaging system elements

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Title: Evaluation of bond graph based object oriented approach to determination of natural frequencies of packaging system elements
Author: Jaram, Vladimir
Abstract: Packaged items passing through distribution system encounter vibrations. It needs to be examined what happens to an object, packaged or unpackaged, in the distribution environment when it is subject to outside vibrations, so that we may predict its behavior resulting from distribution vibrations. To prevent product loss from both static and dynamic forces encountered in distribution, corporations are turning in increasing numbers to services of package engineering. This work evaluates the application of Bond Graphs Based Object-Oriented Approach to Determination of Natural Frequencies of Packaging System Elements. Using the Bond Graph, a model of the Package-product system under testing was developed to closely simulate the real testing model and conditions. The testing model equipment and packaging system were developed using the Bond Graph computer assisted modeling approach. Using simulation, vibrations characteristics of the packaging model were obtained, i.e., natural frequencies and other relevant properties of the system (model). An analysis of the frequency characteristics was conducted by application of physical modeling using a suitable visual computer development platform. The results obtained by simulation, and those obtained on the vibration table (32,9 Hz vs. 26,777 Hz) are close to each other, they are very encouraging, and they open further possibilities. This work has proved that the Bond Graphs based approach has its place in a computer aided total Packaging Distribution Design process. It should also enable one to shorten the entire design/testing process, to insure that those expensive parts (products) are not destroyed during the testing process, and that the finished package design meets the design objectives. This work has proved that satisfactory results could be obtained by computer simulation employing the Bond Graph methodology.
Record URI: http://hdl.handle.net/1850/15212
Date: 2001

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