Contact stresses for closely conforming bodies--application to cylinders and spheres

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Dept. of Transportation, Office of the Secretary, Office of University Research, for sale by the National Technical Information Service , Washington, Springfield, Va
Strains and stresses., Locomotives -- Cylin
StatementW. Woodward and B. Paul.
SeriesReport - Dept. of Transportation ; no. DOT-TST-77-48
ContributionsPaul, B. 1931-, United States. Dept. of Transportation. Office of University Research., University of Pennsylvania. Dept. of Mechanical Engineering and Applied Mechanics.
The Physical Object
Pagination272 p. :
ID Numbers
Open LibraryOL17646404M

Get this from a library. Contact stresses for closely conforming bodies-- application to cylinders and spheres. [W Woodward; B Paul; University of Pennsylvania.

Department of Mechanical Engineering and Applied Mechanics.; United States. Department of Transportation.

Office of University Research.] -- Since worn wheels and rails contact conformally, the existing contact stress theories for. Woodward, W., & Paul, B. Contact stresses for closely conforming bodies: application to cylinders and spheres. Contact Stresses for Closely Conforming Bodies--Application to Cylinders and Spheres.

Details Contact stresses for closely conforming bodies--application to cylinders and spheres PDF

PB Publication Date: Personal Author: Woodward, W.; Paul, B. Page Count: Contact Stresses for Closely Conforming Bodies--Application to Cylinders and Spheres. PB Publication Date. CONTACT STRESSES FOR CLOSELY CONFORMING BODIES--APPLICATION TO CYLINDERS AND SPHERES.

Since worn wheels and rails contact conformally, the existing contact stress theories for nonconformal contact are not adequate.

In this report a general numerical method of solution for three dimensional, frictionless, conformal, elastic contact problems is Cited by: Contact stresses for closely conforming bodies--application to cylinders and spheres / By William.

Woodward, joint author. Burton Paul, Pennsylvania. University. Dept. of Mechanical Engineering and Applied Mechanics. and United States. Department of Transportation.

Office of University Research. These contact stresses are called Hertz contact stresses, which was first studies by Hertz in The Hertz contact stress usually refers to the stress close to the area of contact between two spheres of different radii.

After Hertz’s work, people do a lot of study on the stresses arising from the contact between two elastic bodies. Woodward, W., Paul, B. Contact stresses for closely conforming bodies—application to cylinders and spheres. Technical Report 2, DOT-TST–48, National Technical Information Service,   W.

Woodard, Contact stresses for closely conforming bodies--application to cylinders and spheres. Ph.D. dissertation, Univ. of Pennsylvania (). Hartnett, On the axisymmetric contact of closely conforming elastic, bodies.

Ph.D. dissertation, The Univ. of Connecticut (). WoodardContact stresses for closely conforming. Contact Stresses for Closely Conforming Bodies—Application to Cylinders and Spheres,” Technical Report No. DOT-TST, U.S. Department of Transportation, Office of the Secretary, Office of University Research.

B. Paul and J. Hashemi, Contact pressures on closely conforming elastic bodies, Journal of Applied Me- chanics (Trans. ASME) 48, (September ). Woodward and B. Paul, Contact stresses for closely conforming bodies-application to cylinders and spheres, Technical Report No. 2, DOT-TST The model consists of a mixed-lubrication process that considers the roughness effect and asperity contact, a thermal process for temperature analyses, and a thermal-elastic process for deformation calculations.

In this model, the interactive journal, lubricant. Contact phenomena. I: stresses, deflections and contact dimensions for normally-loaded unlubricated elastic components | Engineering Sciences Data Unit | download |.

Contact stresses for closely conforming bodies: application to cylinders and spheres. Technical Report Woodward, W; Paul, B. Since worn wheels and rails contact conformally, the existing contact stress theories for nonconformal contact are not adequate.

A general numerical method of solution for three dimensional frictionless, conformal. The structure configuration of rod and spring contacts is widely used in the microelectromechanical relay. Low and stable electrical contact resistance is a fundamental requirement for reliability.

In addition the solution to a non-Hertzian contact problem with a multiply connected contact region is solved; namely, the case of two spheres in contact where one of them has a surface defect or pit.

Professor Johnson first reviews the development of the theory of contact stresses since the problem was originally addressed by H. Hertz in Next he discusses the influence of friction and the topographical roughness of surfaces, and this is incorporated into the theory of contact mechanics.

contact stress theory, the highly concentrated contact stresses are treated separately from the general distribution of stress in two bodies that arises from their shape and the way in which they are supported.

It also gives the well-developed methods to solve boundary-value problems for the elastic half-space for the solution of contact problems. Contact stresses for closely conforming bodies--application to cylinders and spheres / (Washington: Dept. of Transportation ; Springfield, Va.: Available through the National Technical Information Service, ), by William Woodward, Burton Paul, Pennsylvania.

University. methods, which have played an important role in the modern development of clastic contact stress theory, arc only mentioned in passing. In this respect the more mathematically sophisticated reader will find Gladwell's book a valuable complement to Chapters This is a user's book rather than a course text-book.

The material is grouped according to application: stationary contacts, sliding. THE APPLICATION OF THE MIXED FINITE ELEMENT METHOD TO THE ELASTIC CONTACT PROBLEM by JORCITO TSENG (B.A.

Sc., The University of British Columbia, ) A THESIS SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF APPLIED SCIENCE in THE FACULTY OF GRADUATE STUDIES Department of Civil Engineering We accept this thesis as conforming. Open Library is an open, editable library catalog, building towards a web page for every book ever published.

Read, borrow, and discover more than 3M books for free. Contact mechanics is the study of the deformation of solids that touch each other at one or more points.

[1] [2] The physical and mathematical formulation of the subject is built upon the mechanics of materials and continuum mechanics and focuses on computations involving elastic, viscoelastic, and plastic bodies in static or dynamic l aspects in contact mechanics are the. The book then describes wear resistant coatings produced by various deposition routes, highlighting the microstructure property relationship in these coatings.

The coverage includes coatings and hardfacings produced from welding processes and modern developments such as friction surfacing and pulsed electrode surfacing techniques. He has more than 50 years experience in teach- ing and practicing mechanical engineering design.

He is the author of a McGraw-Hill textbook, Advanced Strength and Applied Stress Analysis, Second Edition; and coau- thor of a McGraw-Hill reference book, Roark’s Formulas for Stress and Strain, Eighth Edition. Introduction. Mechanical loading, particularly dynamic loading, is believed to play a major role in the development and progression of knee joint osteoarthritis [1,2].Furthermore, motion (i.e., kinematics) and loading (i.e., contact pressures) appear to have an interactive effect on disease progression [3,4].Motion and loads are also important in artificial knees, influencing wear [5–8.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. Woodward W and Paul B.

Contact stress for closely conforming bodies—application to cylinders and spheres.

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DOT-TST, Google Scholar. Shi, FH, Wang, QA. Mixed-TEHD model for journal-bearing conformal contacts—part I: model formulation and approximation of heat transfer considering asperity contact. A great deal of progress has been made in the development of materials, their application to structures, and their adaptation to a variety of systems and integrated across a wide range of industrial applications.

This encyclopedia serves the rapidly expanding demand for information on technological developments. In addition to providing information for manufacturers and assemblers of materials. Contact mechanics is the study of the deformation of solids that touch each other at one or more points.

A central distinction in contact mechanics is between stresses acting perpendicular to the contacting bodies' surfaces (known as the normal direction) and frictional stresses acting tangentially between the surfaces.

This page focuses mainly on the normal direction, i.e.

Description Contact stresses for closely conforming bodies--application to cylinders and spheres PDF

on frictionless. Despite its worldwide application, dry-mix shotcrete is characterized by a 30 to 40% material loss due to rebound. For cases in which steel fibers are used, fiber rebound tends to be even greater at approximately 75%.

This represents one of the main drawbacks to this technique and is one of the primary challenges facing the shotcrete industry today. Therefore, this work aimed at examining the.

The book includes case studies on bearings, automotive tribology, manufacturing processes, medical engineering and magnetic data storage that illustrate some of the modern engineering applications in which tribological principles play vital roles.

Each chapter is complemented by a set of questions suitable for self-study as well as classroom use.Rules for cylinders, spheres and cones as given in EN clauses, and require no comment, the equations being standard and familiar.

It is only when one comes to the intersection of a sphere and a cone (on the same axis) in to that comment is needed, as described below under 7B.

10 ©UNM – All rights.The objective of this work is to present to the engineering reader information about the practical aspects of Engineering involvement within Oil & Energy Industrial facilities promotion.

These industries produce various types of gases in condensed form for the transportation through the pipelines for supply to the real consumer or the end user and also various petrochemical products as well as.