{"id":13765,"date":"2018-07-09T16:17:22","date_gmt":"2018-07-09T14:17:22","guid":{"rendered":"https:\/\/iste.yhello.co\/?post_type=product&#038;p=13765"},"modified":"2024-01-03T13:42:29","modified_gmt":"2024-01-03T13:42:29","slug":"mecanique-discrete","status":"publish","type":"product","link":"https:\/\/www.istegroup.com\/en\/produit\/mecanique-discrete\/","title":{"rendered":"M\u00e9canique discr\u00e8te"},"content":{"rendered":"<p>La vision discr\u00e8te de la m\u00e9canique est bas\u00e9e sur les id\u00e9es fondatrices de Galil\u00e9e, le principe de relativit\u00e9 et celui d\u2019\u00e9quivalence \u2013 qui postule l\u2019\u00e9galit\u00e9 entre la masse li\u00e9e \u00e0 la gravit\u00e9 et la masse inertielle. \u00c0 ces principes s\u2019ajoutent la d\u00e9composition de Hodge-Helmholtz, le principe d\u2019accumulation des contraintes et l\u2019hypoth\u00e8se de dualit\u00e9 des effets physiques.<\/p>\n<p>Ces principes permettent d\u2019\u00e9tablir l\u2019\u00e9quation du mouvement bas\u00e9e sur la conservation de l\u2019acc\u00e9l\u00e9ration consid\u00e9r\u00e9e comme une quantit\u00e9 absolue, somme d\u2019un gradient d\u2019un potentiel scalaire et d\u2019un rotationnel d\u2019un potentiel vectoriel ; ces potentiels repr\u00e9sentant les contraintes de compression et de rotation sont mis \u00e0 jour dans cet ouvrage \u00e0 partir des op\u00e9rateurs discrets.<\/p>\n<p><em>M\u00e9canique discr\u00e8te<\/em>\u00a0montre que cette \u00e9quation du mouvement discr\u00e8te est repr\u00e9sentative des \u00e9coulements compressibles ou incompressibles de fluides visqueux ou parfaits, de l\u2019\u00e9tat de contrainte dans un milieu solide ou visco\u00e9lastique et de la propagation des ondes non lin\u00e9aires.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La vision discr\u00e8te de la m\u00e9canique est bas\u00e9e sur les id\u00e9es fondatrices de Galil\u00e9e, le principe de relativit\u00e9 et celui d\u2019\u00e9quivalence \u2013 qui postule l\u2019\u00e9galit\u00e9 entre la masse li\u00e9e \u00e0 la gravit\u00e9 et la masse inertielle. \u00c0 ces principes s\u2019ajoutent la d\u00e9composition de Hodge-Helmholtz, le principe d\u2019accumulation des contraintes et l\u2019hypoth\u00e8se de dualit\u00e9 des effets [&hellip;]<\/p>\n","protected":false},"featured_media":13769,"template":"","meta":{"_acf_changed":false,"_links_to":"","_links_to_target":""},"product_brand":[],"product_cat":[3262],"product_tag":[],"class_list":{"0":"post-13765","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-non-classe","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-variable"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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