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1 Journal of Polish CIMAC

1 2012

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Spatial approximation of impact test results of unit load

Piątkowski T., Sempruch J., Tomaszewski T.

Journal of Polish CIMAC

2012

Vol. 7, no 3

243-251

The paper presents an application proposal of B-spline surface of third order in the approximation of test results of unit load impact. The accelerations appearing during tests of free fall of the object from the height on undeformable ground were recorded by means of tri-axial acceleration sensor placed inside the tested load. An approximation was realized with the help of numeric optimization using the SQP method. The control points, forming initially the sphere surface, are the decision variables of the optimization task. The spatial visualization of data (using B-spline surface) is developed to streamline an interpretation and analysis of results recorded during tests. It allows precise load places determination, which require introduction of constructional modifications to improve the protective packaging properties.