Hertzian Stress Calculator – Elliptical and Point Contacts: Online

TriboNet

February, 23 2017

Here is an updated Hertzian Stress Calculator:

This is a simple Hertz contact calculator for elliptical and circular contacts. A corresponding Matlab file can also be downloaded.

TriboNet

Administration of the project

Unleashing the Hidden Potential of Recycled Plastics in Tribology – Part 1: Polyethylene

13.11.2023

Table of Contents What happens to recycled plastic?Tribology to the rescue!Why does this matter?Recycling with a purpose What happens to recycled plastic? Plastic recycling is great. It is everywhere. Or at least, the talk of [...]
An Engineering approach to study cancer cells

19.11.2024

Table of Contents Introduction MethodologyResults and discussionsReference Introduction Over the past decade, several methods have been developed to measure the mechanical properties of live cells, with atomic force microscopy (AFM) based indentation testing being the [...]
Superlubricity of nanodiamonds glycerol colloidal solution

22.03.2016

Earlier we reported about superlubricity achieved with a mixture of water and 30 [wt%] glycerol by researchers from Tsinghua University, Beijing. The same investigators just published a paper using this as a base lubricant and [...]
‘Space Fabric’ Links Fashion and Engineering

11.07.2017

Raul Polit Casillas grew up around fabrics. His mother is a fashion designer in Spain, and, at a young age, he was intrigued by how materials are used for design. Now, as a systems engineer [...]
Tribology Informatics

02.02.2023

Table of Contents IntroductionWhat is Tribo-InformaticsHow does tribo-informatics workApplication of tribo-informatics in tribologyLimitations Future development Credit: This article is the summary of Tribo-informatics approaches in tribology research by Nian et.al, published in Springer [1] Introduction [...]

@keyframes pulse{0%{transform:scale(1)}35%{transform:scale(1.1)}60%{transform:scale(1.05)}100%{transform:scale(1)}}[data-type="core-embed/youtube"],[data-type="core-embed/vimeo"]{clear:both}.container-youtube,.container-vimeo{font-size:0;line-height:0}.container-youtube noscript,.container-vimeo noscript{display:block;font-size:1rem;line-height:1.2em;text-align:left}.preview-lazyload{opacity:1;position:relative;transition:opacity 0.25s}.js-lazyload--not-loaded .preview-lazyload{opacity:0}.entry-content a.preview-lazyload,a.preview-lazyload{background-color:transparent;border:0;height:315px;width:100%;max-width:100%;display:inline-block;margin-top:0;box-sizing:border-box}.entry-content a.preview-lazyload,a.preview-lazyload,.lazy-load-info-extra{text-decoration:none;color:#fff;font-family:Arial, serif;font-size:14px;line-height:18px}a.lazy-load-vimeo{text-decoration:none}.lazy-load-div{display:table;height:100%;width:100%}.lazy-load-div::before{font-size:50px;font-family:Arial, sans-serif;opacity:0.7;z-index:3;display:table-cell;vertical-align:middle;text-align:center}.lazy-load-div:hover{opacity:0.95}.lazy-load-div:hover::before{opacity:0.9}.css_white_pulse .lazy-load-div::before,.css_black_pulse .lazy-load-div::before{font-size:70px;animation:pulse 3s infinite linear}a.lazy-load-youtube:hover,.lazy-load-vimeo:hover{text-decoration:none}.lazy-load-div,.lazy-load-info,.lazy-load-info-extra{max-width:100%;color:#fff}.lazy-load-div,.titletext,.overlaytext{opacity:0.8}.lazy-load-div{position:absolute;top:0}.lazy-load-info,.lazy-load-info-extra{position:relative;padding:7px 15px}.lazy-load-info{pointer-events:none}.lazy-load-info-extra{display:none;position:absolute;bottom:0}.preview-lazyload ~ .lazy-load-info-extra{display:block}.container-youtube embed,.container-youtube iframe,.container-youtube object,.container-youtube video,.container-vimeo embed,.container-vimeo iframe,.container-vimeo object,.container-vimeo video{margin-bottom:0 !important}.entry-content a.lazy-load-youtube,a.lazy-load-youtube,.lazy-load-vimeo{margin-bottom:0 !important}.entry-content a.lazy-load-youtube iframe,a.lazy-load-youtube iframe,.lazy-load-vimeo iframe{margin-bottom:0 !important}a.lazy-load-youtube{display:block !important}.wp-embed-responsive .wp-block-embed[class*="wp-embed-aspect-"]{position:relative}.wp-embed-responsive .wp-block-embed[class*="wp-embed-aspect-"] .container-lazyload{position:absolute;left:0;top:0;height:100%;width:100%}.lazy-load-block-play{cursor:pointer}.lazy-load-block-play .preview-lazyload{pointer-events:none}

#TB_ajaxContent{overflow:hidden!important}.ul-YoutubeGallery{display:inline-block;width:97%;margin-bottom:10px}.ul-YoutubeGallery li.li-YoutubeGallery{float:left;margin:0 12px 15px;width:auto;list-style-type:none}.ul-YoutubeGallery li h3.title-YoutubeGallery{margin-bottom:5px;min-height:30px;color:#444}.ul-YoutubeGallery li img.img-YoutubeGallery{border-radius:3px 3px 3px 3px;box-shadow:0 1px 4px rgba(0,0,0,0.2);max-width:100%;height:auto}.ul-YoutubeGallery li blockquote.blockquote-YoutubeGallery{display:inline-block;width:100%;padding:4px 0;font-style:italic;color:#666;font-size:11px;margin:0}.chr-default-pagination{width:100%;display:inline-block;text-align:center}.chr-default-pagination a{border:1px solid #BFBFBF;margin:2px;padding:3px 5px;text-decoration:none;color:#21759B}.chr-default-pagination a.selected{border-color:#000;font-weight:700;cursor:default;color:#444}.ul-Widget-YoutubeGallery{display:inline-block;width:100%}.ul-Widget-YoutubeGallery li.li-Widget-YoutubeGallery{display:block;margin-bottom:10px}.ul-Widget-YoutubeGallery li h3.title-Widget-YoutubeGallery{color:#444;line-height:normal;margin-bottom:5px}.btn-YSG-Widget{text-decoration:none;font-weight:700}.

Sign Up for Monthly Newsletter

Hertzian Stress Calculator – Elliptical and Point Contacts: Online

TriboNet

Maximum Contact Temperature Rise in a Sphere-on-Flat Contact

Hardness conversion astm E 140 - 97

Density Calculator and Unit Conversion

Viscosity Calculator: Barus and Roelands Equations

Viscosity Index Calculator (ISO 2909 / ASTM D2270)

Stribeck Friction Calculator for Line Contact: Online

Stribeck Friction Calculator for Elliptical Contact: Online

Truncated Paraboloid on Elastic Flat: Online Calculator

Cone with a Parabolic Cap: Online Calculator

Indentation of an Elastic plane by Truncated Cone: Online Calculator

Rigid Cone on Elastic Flat: Online Calculator

Rigid Flat Punch on Flat: Online Calculator

EHL Film Thickness Calculator (Central and Minimum): Line (Cylindircal) Contact

EHL Film Thickness Calculator (Central and Minimum): Elliptical (Point) Contact

Hertzian stress (subsurface) calculator - Line Contact

Indentation of Elastic Body by Sinusoidal Surface: Online Calculator

Indentation by a Flat Elliptical Punch: Online Calculator

Adhesion Calculator for Rough Surfaces - Bearing Area Model

Hardness Calculation – Knoop Hardness Number

Hardness Calculation – Brinell Indenter

Vickers Hardness Calculation, Hardness Test and Formula

Hertzian Calculator - Line Contact: Online

Hertzian Stress Calculator - Elliptical and Point Contacts: Online