THREE DIMENSIONAL STRESSES IN ICEBREAKER PRIMARY STRUCTURES.

The validity of the current design practice of selection of icebreaker primary structure scantlings on the basis of two dimensional analyses is examined by comparing the results of a two dimensional analysis with the results of three analyses of more than one frame connected by longitudinal members....

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Bibliographic Details
Main Author: Genalis,Paris
Other Authors: MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF NAVAL ARCHITECTURE AND MARINE ENGINEERING
Format: Text
Language:English
Published: 1967
Subjects:
Marine Engineering
Structural Engineering and Building Technology
Mechanics
*ICEBREAKERS
*SHIP STRUCTURAL COMPONENTS
MECHANICAL PROPERTIES
SHEAR STRESSES
BENDING
DEFLECTION
ROTATION
MOMENTS
FORCE(MECHANICS)
JOINTS
COMPUTER PROGRAMMING
GRAPHICS
MATHEMATICAL MODELS
NUMERICAL METHODS AND PROCEDURES
THESES
AXIAL FORCES
COMPARATIVE STUDIES
STRESS COMPUTER PROGRAM
TRUSSES
TWO DIMENSIONAL ANALYSIS
Icebreaker
Online Access:http://www.dtic.mil/docs/citations/AD0680069
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0680069
Description
Summary:The validity of the current design practice of selection of icebreaker primary structure scantlings on the basis of two dimensional analyses is examined by comparing the results of a two dimensional analysis with the results of three analyses of more than one frame connected by longitudinal members. Bending moments, and axial and shear forces are calculated at the ends of each member of the truss structure. Deflections and rotations of each end of each member and deflections and rotations of each free joint are included. All analyses have been performed using the stiffness matrix method as utilized by the current version of the STRESS computer program. Through the use of this program, its applicability to two and three dimensional analyses (of icebreaking vessel's primary structure and ship's framing analyses, in general) is examined. (Author)

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