MESSAGE FROM PROF ISAAC KAPLAN

MESSAGE FROM Prof

Dynamic excitation of any machine tool structure is based on natural frequency of the structure and corresponding mode shape. Initial work of the thesis presents a systematic procedure and details of the use of experimental analysis and finite element modal analysis technique for determining the structural dynamic response of end milling machine.The simplified experimental modal analysis of dif...

Prof. Dr. Prof. Prof.

A Message from New Editor-in-Chief

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Happenings — from the Chair , Prof

I am pleased to say that we have had a very active and productive year in terms of both research and education here at Duke Physics. This is my first year as Chair, as many of you know, and it was a year of challenges and learning for me personally. Certainly the most interesting things I learned came from finding out what my colleagues in other subfields are doing; this broad view – from bioph...

Kaplan–Meier Estimator

The Kaplan–Meier estimator is a nonparametric estimator which may be used to estimate the survival distribution function from censored data. The estimator may be obtained as the limiting case of the classical actuarial (life table) estimator, and it seems to have been first proposed by Böhmer [2]. It was, however, lost sight of by later researchers and not investigated further until the importa...