STP336

    On Experimental Solid Dynamics

    Published: Jan 1963


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    Abstract

    There is a strong interdependence between the apparent dynamic properties of materials and the quantities measured by various experimental techniques. The principal task facing the investigator lies in the inference of stress from the measured quantities. In this report emphasis is placed upon the test technique and its influence upon the measured quantities rather than upon the correlation of data with theory. Three different types of solid dynamics experiments are reviewed from the standpoint of interpretation of stress: (1) one-dimensional tensile impact studies in which dynamic strain measurements are made simultaneously at several stations remote from the impact area; (2) two-dimensional studies on impulsively loaded diaphragms where dynamic strain and dynamic deflection are measured in an essentially wave-free environment; and (3) dynamic photoclastic techniques employing stroboscopic lighting and repeated impacts where the minute details of a propagating wave can be investigated.


    Author Information:

    Gerard, George
    Vice President of Research and Engineering, Acting Chief, of Enviromeehanical Sciences, and Director of Engineering Sciences, Allied Hesearch Associates, Inc., Concord, Mass.

    Papirno, Ralph
    Vice President of Research and Engineering, Acting Chief, of Enviromeehanical Sciences, and Director of Engineering Sciences, Allied Hesearch Associates, Inc., Concord, Mass.

    Becker, Herbert
    Vice President of Research and Engineering, Acting Chief, of Enviromeehanical Sciences, and Director of Engineering Sciences, Allied Hesearch Associates, Inc., Concord, Mass.


    Paper ID: STP42026S

    Committee/Subcommittee: D20.10

    DOI: 10.1520/STP42026S


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