{"id":594,"date":"2022-09-05T19:11:48","date_gmt":"2022-09-05T19:11:48","guid":{"rendered":"https:\/\/insyte.website\/WordPress\/?post_type=glossary&#038;p=594"},"modified":"2022-09-19T06:34:29","modified_gmt":"2022-09-19T06:34:29","slug":"frottement","status":"publish","type":"glossary","link":"https:\/\/insyte.website\/WordPress\/glossary\/frottement\/","title":{"rendered":"Frottements Solide et Fluide"},"content":{"rendered":"<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_1f91f0-e8\" class=\"kt-row-layout-inner kt-layout-id_1f91f0-e8\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-60  kt-custom-second-width-40\"><style>.kadence-column_51f212-6c > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_51f212-6c > .kt-inside-inner-col,.kadence-column_51f212-6c > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_51f212-6c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_51f212-6c > .kt-inside-inner-col{flex-direction:column;}.kadence-column_51f212-6c > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_51f212-6c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_51f212-6c{position:relative;}@media all and (max-width: 1024px){.kadence-column_51f212-6c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_51f212-6c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_51f212-6c\"><div class=\"kt-inside-inner-col\">\n<p>En m&eacute;caniques on parle deux de cat&eacute;gories de frottements : <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Frottements <strong>Solides <\/strong>(encore appel&eacute;s frottements <strong>Secs<\/strong>)<\/li><li>Frottements <strong>Fluides<\/strong> (<strong>Visqueux <\/strong>et <strong>Turbulents<\/strong> selon la vitesse de placement dans le fluide)<\/li><\/ul>\n\n\n\n<p><strong>Remarque <\/strong>: concernant les frottements fluides, on est presque syst&eacute;matiquement dans le r&eacute;gime Turbulent (les vitesses de d&eacute;placement sont extr&ecirc;mement faible pour &ecirc;tre en r&eacute;gime Visqueux)<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column_ffda71-b1 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_ffda71-b1 > .kt-inside-inner-col,.kadence-column_ffda71-b1 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_ffda71-b1 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_ffda71-b1 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_ffda71-b1 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_ffda71-b1 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_ffda71-b1{position:relative;}@media all and (max-width: 1024px){.kadence-column_ffda71-b1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_ffda71-b1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_ffda71-b1\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/youtu.be\/3Urka71l1P4\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-49.png\" alt=\"\" class=\"wp-image-1053\" width=\"457\" height=\"305\" srcset=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-49.png 776w, https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-49-300x200.png 300w, https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-49-768x513.png 768w\" sizes=\"auto, (max-width: 457px) 100vw, 457px\"\/><\/a><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<style>#kt-layout-id_5c9f70-75 > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_5c9f70-75 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_5c9f70-75 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:0px;padding-bottom:41px;grid-template-columns:minmax(0, calc(45% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)))minmax(0, calc(55% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)));}#kt-layout-id_5c9f70-75 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_5c9f70-75 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){#kt-layout-id_5c9f70-75 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_5c9f70-75\" class=\"kt-row-layout-inner kt-layout-id_5c9f70-75\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-45  kt-custom-second-width-55\"><style>.kadence-column_e321ab-16 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_e321ab-16 > .kt-inside-inner-col,.kadence-column_e321ab-16 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_e321ab-16 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_e321ab-16 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_e321ab-16 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_e321ab-16 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_e321ab-16{position:relative;}@media all and (max-width: 1024px){.kadence-column_e321ab-16 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_e321ab-16 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_e321ab-16\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center has-medium-font-size\"><strong>Les frottements Solides<\/strong><\/p>\n\n\n\n<p>Ces frottements sont r&eacute;gis par la <strong><a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Loi de Coulomb&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Il s&amp;#039;agit ici de la loi de Coulomb r&eacute;gissant les ph&eacute;nom&egrave;nes de d&amp;#039;adh&eacute;rence et de glissement de deux mat&eacute;riaux l&amp;#039;un contre l&amp;#039;autre.&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-rowlayout alignnone&amp;quot;&amp;gt;&amp;lt;div id=&amp;quot;kt-layout-id_a6c7d4-4d&amp;quot; class=&amp;quot;kt-row-layout-inner kt-layout-id_a6c7d4-4d&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-column inner-column-1 kadence-column_1ad775-9e&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-inside-inner-col&amp;quot;&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-column inner-column-2 kadence-column_1dfc1e-bb&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-inside-inner-col&amp;quot;&amp;gt;&amp;lt;figure class=&amp;quot;wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;wp-block-embed__wrapper&amp;quot;&amp;gt;https:\/\/youtu.be\/N2ntC94zLC8?list=PLC4_GKbD2s7spDVcIgdxthMzpP00tVlyY&amp;lt;\/div&amp;gt;&amp;lt;\/figure&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/loi-de-coulomb\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>loi de Coulomb<\/a><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Frottements solides : le carton qui glisse (Cours)\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/tfs-0EEERNg?list=PLC4_GKbD2s7spDVcIgdxthMzpP00tVlyY\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column_3feca2-94 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_3feca2-94 > .kt-inside-inner-col,.kadence-column_3feca2-94 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_3feca2-94 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_3feca2-94 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_3feca2-94 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_3feca2-94 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_3feca2-94{position:relative;}@media all and (max-width: 1024px){.kadence-column_3feca2-94 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_3feca2-94 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_3feca2-94\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center has-medium-font-size\"><strong>Les frottement Fluides<\/strong><\/p>\n\n\n<style>#kt-layout-id_72b449-eb > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_72b449-eb > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_72b449-eb > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:0px;grid-template-columns:repeat(2, minmax(0, 1fr));}#kt-layout-id_72b449-eb > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_72b449-eb > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){#kt-layout-id_72b449-eb > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_72b449-eb\" class=\"kt-row-layout-inner kt-layout-id_72b449-eb\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row\"><style>.kadence-column_d7a536-5c > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_d7a536-5c > .kt-inside-inner-col,.kadence-column_d7a536-5c > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_d7a536-5c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_d7a536-5c > .kt-inside-inner-col{flex-direction:column;}.kadence-column_d7a536-5c > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_d7a536-5c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_d7a536-5c{position:relative;}@media all and (max-width: 1024px){.kadence-column_d7a536-5c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_d7a536-5c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_d7a536-5c\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center\"><strong>Visqueux<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"254\" height=\"159\" src=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-45.png\" alt=\"\" class=\"wp-image-1010\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center has-medium-font-size\">\\(\\vec f = &ndash; k \\cdot \\vec v\\)<\/p>\n\n\n\n<p>k est le coefficient de frottement.<br><br>Pour une sph&egrave;re Stokes a &eacute;tabli l&rsquo;&eacute;quation suivante :<br>\\(\\vec f =-6 \\pi \\eta R \\vec v \\)<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column_233121-15 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_233121-15 > .kt-inside-inner-col,.kadence-column_233121-15 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_233121-15 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_233121-15 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_233121-15 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_233121-15 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_233121-15{position:relative;}@media all and (max-width: 1024px){.kadence-column_233121-15 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_233121-15 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_233121-15\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center\"><strong>Turbulents<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"272\" height=\"160\" src=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-46.png\" alt=\"\" class=\"wp-image-1013\"\/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center has-medium-font-size\">\\(\\vec f = &ndash; \\frac {1}{2}  \\rho_f  S C_x v^2 \\vec u\\)<\/p>\n\n\n\n<p>\\(C_x\\) : Coefficient a&eacute;rodynamique (sans dimension)<br>\\(\\rho_f\\) : <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Masse volumique&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;La&amp;nbsp;&amp;lt;strong&amp;gt;masse volumique&amp;lt;\/strong&amp;gt;, dont le symbole est&amp;nbsp;\\(\\rho\\)&amp;nbsp;(rh&ocirc;), est une&amp;nbsp;propri&eacute;t&eacute; caract&eacute;ristique&amp;nbsp;qui repr&eacute;sente la quantit&eacute; de mati&egrave;re&amp;nbsp;(masse)&amp;nbsp;se trouvant dans un espace&amp;nbsp;(une unit&eacute; de&amp;nbsp;volume)&amp;nbsp;donn&eacute;.&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-rowlayout alignnone&amp;quot;&amp;gt;&amp;lt;div id=&amp;quot;kt-layout-id_ea646c-d6&amp;quot; class=&amp;quot;kt-row-layout-inner kt-layout-id_ea646c-d6&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-row-column-wrap kt-has-3-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-half kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-25  kt-custom-second-width-10  kt-custom-third-width-65&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-column inner-column-1 kadence-column_df07b7-71&amp;quot;&amp;gt;&amp;lt;div(...)&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/masse-volumique\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>masse volumique<\/a> du fluide  (\\(kg \\cdot m^{-3}\\))<br>S : Section apparente de l&rsquo;objet en d&eacute;placement (m&sup2;) (aussi appel&eacute; Section frontale et Maitre-couple)<br>v : Vitesse de d&eacute;placement du mobile dans le fluide (ou du fluide autour du mobile) \\(m \\cdot s^{-2}\\)<\/p>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Les frottements fluides (Cours)\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/Rli15sg5y2g?list=PLC4_GKbD2s7spDVcIgdxthMzpP00tVlyY\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<p class=\"has-theme-palette-1-color has-text-color has-medium-font-size\">Coefficient a&eacute;rodynamique<\/p>\n\n\n<style>#kt-layout-id_1b1b5f-a8 > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_1b1b5f-a8 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_1b1b5f-a8 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-bottom:0px;grid-template-columns:repeat(2, minmax(0, 1fr));}#kt-layout-id_1b1b5f-a8 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_1b1b5f-a8 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){#kt-layout-id_1b1b5f-a8 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_1b1b5f-a8\" class=\"kt-row-layout-inner kt-layout-id_1b1b5f-a8\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row\"><style>.kadence-column_7efee6-63 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_7efee6-63 > .kt-inside-inner-col,.kadence-column_7efee6-63 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_7efee6-63 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_7efee6-63 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_7efee6-63 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_7efee6-63 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_7efee6-63{position:relative;}@media all and (max-width: 1024px){.kadence-column_7efee6-63 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_7efee6-63 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_7efee6-63\"><div class=\"kt-inside-inner-col\">\n<p>Les trois objets ci-apr&egrave;s ont la m&ecirc;me section apparente, mais les Cx ne sont pas &eacute;quivalents.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"490\" height=\"402\" src=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-47.png\" alt=\"\" class=\"wp-image-1042\" srcset=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-47.png 490w, https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-47-300x246.png 300w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\"\/><figcaption>Section apparentes<\/figcaption><\/figure>\n<\/div><\/div><\/div>\n\n\n<style>.kadence-column_abefd5-ec > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_abefd5-ec > .kt-inside-inner-col,.kadence-column_abefd5-ec > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_abefd5-ec > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_abefd5-ec > .kt-inside-inner-col{flex-direction:column;}.kadence-column_abefd5-ec > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_abefd5-ec > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_abefd5-ec{position:relative;}@media all and (max-width: 1024px){.kadence-column_abefd5-ec > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_abefd5-ec > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_abefd5-ec\"><div class=\"kt-inside-inner-col\">\n<p>Quelques valeurs de Cx pour des formes simples<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"316\" height=\"419\" src=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-48.png\" alt=\"\" class=\"wp-image-1043\" srcset=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-48.png 316w, https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/image-48-226x300.png 226w\" sizes=\"auto, (max-width: 316px) 100vw, 316px\"\/><\/figure>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<p class=\"has-theme-palette-1-color has-text-color has-medium-font-size\">D&eacute;termination du Cx &agrave; l&rsquo;aide de SolidWorks<\/p>\n\n\n\n<p>A venir &hellip;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En m&eacute;caniques on parle deux de cat&eacute;gories de frottements : Frottements Solides (encore appel&eacute;s frottements Secs) Frottements Fluides (Visqueux et Turbulents selon la vitesse de placement dans le fluide) Remarque : concernant les frottements fluides, on est presque syst&eacute;matiquement dans le r&eacute;gime Turbulent (les vitesses de d&eacute;placement sont extr&ecirc;mement faible pour &ecirc;tre en r&eacute;gime Visqueux)&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"glossary-categories":[],"glossary-tags":[],"glossary-languages":[],"class_list":["post-594","glossary","type-glossary","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Frottements Solide et Fluide - Insyte.website<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/insyte.website\/WordPress\/glossary\/frottement\/\" \/>\n<meta property=\"og:locale\" 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