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Title: Study and Parametric Analysis of Trafficability, Running Gear, and Stability Considerations for Nearshore Bottom-Crawling Vehicles
Authors: Turnage, Gerald W.
Seabergh, William C.
Mobility and Environmental Systems Laboratory (U.S.)
Keywords: Motor vehicles, Amphibious
Mathematical models
Publisher: U.S. Army Engineer Waterways Experiment Station
Series/Report no.: Technical Report (U.S. Army Engineer Waterways Experiment Station);no. M-78-3
Abstract: The Surfzone Transition Analytical Methodology (STAM) is a computerized mathematical model that was developed to predict the trafficability and stability performance of bottom-crawling vehicles operating in the nearshore region (from shoreline to 150-ft water depth). STAM input requires detailed mathematical descriptions of (a) the vehicle's design characteristics, (b) its performance requirements, and ( c) the specific near shore environment. From these descriptions, STAM predicts (a) vehicle trafficability performance in terms of vehicle/obstacle interference and vehicle ability to negotiate soft soil, develop drawbar pull, and maintain tractive force while operating on either a fine-grained or a coarse-grained ocean bottom, and (b) vehicle stability performance in terms of vehicle resistance to lateral and to longitudinal overturn, plus vehicle ability to maintain forward motion and to resist side sliding. STAM predicts the performance of only two-track, single-chassis bottom-crawling vehicles because this well-developed chassis/running gear combination was judged most suitable for near-future nearshore operations. Detailed guidelines are presented to assist the user of STAM in (a) evaluating the potential of a particular vehicle design to satisfy stated performance requirements in a specified nearshore environment, and (b) making tradeoffs in the selection of vehicle design parameter values to define the optimum design that most closely satisfies the vehicle's performance requirements within a specified nearshore environment.
Description: Technical Report
Gov't Doc #: Technical Report M-78-3
Rights: Approved for public release; distribution is unlimited
Size: 185 pages / 11.61Mb
Types of Materials: PDF/A
Appears in Collections:Technical Report

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