A MIXED 3D-1D FINITE ELEMENT FORMULATION FOR ANALYSIS OF GEOMATERIAL STRUCTURES WITH EMBEDDED CURVILINEAR INCLUSIONS: APPLICATION TO LOAD TRANSFER IN MOORING ANCHOR SYSTEMS

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ALEXANDRE LUIS BRAUN
ANDRÉ BRÜCH
SAMIR MAGHOUS

Abstract

A FINITE ELEMENT MODEL FOR STRUCTURAL ANALYSIS OF MEDIA WITH EMBED-DED INCLUSIONS IS PRESENTED. THE “EMBEDDED ELEMENT CONCEPT” IS ADOPTED TO MODEL THE CONTACT INTERACTION OF TWO MEDIUM COMPO-NENTS ALONG THE CONTACT INTERFACE CONSIDERING A MIXED 3D-1D FORMU-LATION. THE MOHR-COULOMB INTERFACE MODEL IS EMPLOYED TO DEFINE THE BOND-STRESS AND BOND-SLIP RELATION AND STRAINS ASSOCIATED WITH BOND-SLIP ARE ASSUMED TO REMAIN INFINITESIMAL ALONG THE INTERFACE. NONLINEAR ANALYSIS IS PERFORMED WITH A COROTATIONAL KINEMATICS DESCRIPTION INTRODUCED IN THE CONTEXT OF EMBEDDED APPROACH. THE PROBLEM OF LOAD TRANSFER IN MOORING ANCHOR SYSTEMS WAS INVESTIGATED AND REASONABLE RESULTS WERE OBTAINED USING THE PRESENT MODEL.

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ALEXANDRE LUIS BRAUN, CENTRO DE MECÂNICA APLICADA E COMPUTACIONAL – CEMACOM, PROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA CIVIL – PPGEC, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL – UFRGS, PORTO ALEGRE, RIO GRANDE DO SUL, BRASIL

ASSOCIATE PROFESSOR

DEPARTMENT OF CIVIL ENGINNERING

FEDERAL UNIVERSITY OF RIO GRANDE DO SUL (UFRGS)

SAMIR MAGHOUS, CENTRO DE MECÂNICA APLICADA E COMPUTACIONAL – CEMACOM, PROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA CIVIL – PPGEC, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL – UFRGS, PORTO ALEGRE, RIO GRANDE DO SUL, BRASIL

ASSOCIATE PROFESSOR

DEPARTMENT OF CIVIL ENGINNERING

FEDERAL UNIVERSITY OF RIO GRANDE DO SUL (UFRGS)

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