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Analytical And Experimental Studies Of Natural Vibration Modes Of Ring Stiffened Truncated Cone Shells With Variable Theoretical Ring Fixity
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Book Synopsis Analytical and Experimental Studies of Natural Vibration Modes of Ring-stiffened Truncated-cone Shells with Variable Theoretical Ring Fixity by : Eugene C. Naumann
Download or read book Analytical and Experimental Studies of Natural Vibration Modes of Ring-stiffened Truncated-cone Shells with Variable Theoretical Ring Fixity written by Eugene C. Naumann and published by . This book was released on 1971 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental and analytical investigations of the vibratory behavior of ring-stiffened truncated-cone shells are described. Vibration tests were conducted on (1) 60 [degree] conical shells having up to four ring stiffeners and for free-free and clamped-free edge constraints and (2) 90 [degree] conical shells, for two thicknesses, each with two angle rings and for free-free, free-clamped, and clamped-clamped edge constraints. The analytical method is based on linear thin-shell theory, employing the Rayleigh-Ritz method. Discrete rings are represented as composed of one or more segments, each of which is a short truncated-cone shell of uniform thickness. Equations of constraint are used to join a ring and shell along a circumferential line connection. Excellent agreement was obtained for comparisons of experimental and calculated frequencies.
Download or read book NASA Technical Note written by and published by . This book was released on 1972 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vibration Characteristics of Z-ring-stiffened 600 Conical Shell Models of a Planetary Entry Spacecraft by : Eugene C. Naumann
Download or read book Vibration Characteristics of Z-ring-stiffened 600 Conical Shell Models of a Planetary Entry Spacecraft written by Eugene C. Naumann and published by . This book was released on 1971 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation of the vibration characteristics of a 60 deg conical shell model of a planetary entry vehicle is described and the results presented. Model configurations include the shell with or without one or two Z-ring stiffeners and with or without a simulated payload. Tests were conducted with the model clamped at the small diameter and with the model suspended at the simulated payload. Additionally, calculated results obtained from application of several analytical procedures reported in the literature are presented together with comparisons between experimental and calculated frequencies and meridional mode shapes. Generally, very good frequency agreement between experimental and calculated results was obtained for all model configurations. For small values of circumferential mode number, however, the frequency agreement decreased as the number of ring stiffeners increased. Overall agreement between experimental and calculated mode shapes was generally good. The calculated modes usually showed much larger curvatures in the vicinity of the rings than were observed in the experimentally measured mode shapes. Dual resonances associated with modal preference were noted for the shell without Z-ring stiffeners, whereas the addition of stiffeners produced resonances for which the model responded in two or more modes over different sections of the shell length.
Book Synopsis Prediction of Centerline Shock-layer Thickness and Pressure Distribution on Delta Wing-body Configurations by : George E. Kaattari
Download or read book Prediction of Centerline Shock-layer Thickness and Pressure Distribution on Delta Wing-body Configurations written by George E. Kaattari and published by . This book was released on 1971 with total page 778 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1972 with total page 958 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis A Compilation of Research Reports of Physical Research Division, Dynamic Loads Division, Loads Division, 1921 - 1973 by : Gloria R. Champine
Download or read book A Compilation of Research Reports of Physical Research Division, Dynamic Loads Division, Loads Division, 1921 - 1973 written by Gloria R. Champine and published by . This book was released on 1977 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1972 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vibration and Aerodynamic Buckling Experiments for Blunt Truncated Conical Shells with Ring-supported Edges by : Robert Miserentino
Download or read book Vibration and Aerodynamic Buckling Experiments for Blunt Truncated Conical Shells with Ring-supported Edges written by Robert Miserentino and published by . This book was released on 1972 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The vibration and buckling characteristics of a series of 140 deg ring-supported conical shells have been investigated experimentally and analytically. Experimental results were obtained from 14 conical shells, each attached to a solid nose cap at the small end. The large (base) end was either free or attached to a solid ring of rectangular cross section. The size of the solid base rings of rectangular cross section was systematically varied to provide a wide range of edge restraint. Shell buckling was induced by aerodynamic loading at a Mach number of 3; the vibration data were obtained prior to the wind tunnel tests. The experimental vibration data indicated that the size of the base rings had a pronounced effect on the magnitude of the frequencies and on the frequency spectrum. For vibration modes having less than two circumferential waves, the frequencies descreased with increasing ring size; whereas, for modes with several circumferential waves, the frequencies initially increased rapidly with ring size and then became relatively insensitive to further increases in ring size. This latter behavior was similar to the trend exhibited by the variation of buckling pressure with ring size. The experimental results were in excellent qualitative agreement with theoretical results and indicated that current shell-of-revolution analyses are adequate for predicting the vibration and buckling behavior of ring-supported shells, at least for the simple isotropic shells considered in this investigation.
Book Synopsis Applications of Experimental and Theoretical Structural Dynamics by :
Download or read book Applications of Experimental and Theoretical Structural Dynamics written by and published by . This book was released on 1972 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Aeronautical Journal written by and published by . This book was released on 1972 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government Reports Index written by and published by . This book was released on 1972 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Roark's Formulas for Stress and Strain by : Warren Clarence Young
Download or read book Roark's Formulas for Stress and Strain written by Warren Clarence Young and published by McGraw-Hill Europe. This book was released on 2002 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ultimate resource for designers, engineers, and analyst working with calculations of loads and stress.
Book Synopsis Dynamics of Elastic Systems by : Witold Nowacki
Download or read book Dynamics of Elastic Systems written by Witold Nowacki and published by . This book was released on 1963 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Liquid Rocket Metal Tanks and Tank Components by : W. A. Wagner
Download or read book Liquid Rocket Metal Tanks and Tank Components written by W. A. Wagner and published by . This book was released on 1974 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidelines for earthquake resistant non-engineered construction by : Arya, Anand S
Download or read book Guidelines for earthquake resistant non-engineered construction written by Arya, Anand S and published by UNESCO. This book was released on 2014-08-25 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Basics of Foundation Design by : Bengt Fellenius
Download or read book Basics of Foundation Design written by Bengt Fellenius and published by Lulu.com. This book was released on 2017-03-17 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: The "Red Book" presents a background to conventional foundation analysis and design. The text is not intended to replace the much more comprehensive 'standard' textbooks, but rather to support and augment these in a few important areas, supplying methods applicable to practical cases handled daily by practising engineers and providing the basic soil mechanics background to those methods. It concentrates on the static design for stationary foundation conditions. Although the topic is far from exhaustively treated, it does intend to present most of the basic material needed for a practising engineer involved in routine geotechnical design, as well as provide the tools for an engineering student to approach and solve common geotechnical design problems.
Book Synopsis The Shock and Vibration Bulletin by :
Download or read book The Shock and Vibration Bulletin written by and published by . This book was released on 1987 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
