DockShock:  An Introduction to the DockShock DockShock:  An Introduction to the DockShock Concept
Sc. D. Russel Miller, Anteon Corporation
Mr. Roger Bagbey, Anteon Corporation
Mr. Erv Pettersen, Anteon Corporation
Ph.D. Christopher Mairs, Anteon Corporation

Abstract:
The DockShock Research and Development Program was initiated by the Office of Naval Research (ONR) to develop an environmentally acceptable and less costly alternative for conducting full ship shock tests compared to the current open ocean testing using large explosive charges. The DockShock system, currently being developed by Anteon and its sub-contractors, uses an array of electrochemical or electromechanical sources to create a shock and simulate the at-sea ship target response dockside. A bubble

screen is being used to mitigate the pressure pulse before it adversely affects the environment. This paper introduces the DockShock concept including background, objectives, requirements, constraints and alternative approaches that have been explored. 

The DockShock concept background extends over several years beginning in 2000 when the initial concept was presented to various Navy organizations. Potential site surveys began in the year 2001 and the advantages and disadvantages of the proposed concept were identified.  The feasibility of the concept was supported by preliminary computations in 2002. Refined source concepts and target response computations were initiated in 2003 and the concept design integration effort began in 2004.

The objectives and requirements for the DockShock system have evolved as potential shock pulse capabilities and Navy goals for the system have been refined. Requirements of the DockShock concept address protection of the surrounding environment, DockShock facility, structures and systems. Objectives define goals for source array impulse, target motions and dynamics response.

The alternative approaches include variations in source types, array configurations, site selections and mitigating protection systems. Evolution of the DockShock concept over the past five years will be presented.

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