A REVIEW OF COMPUTATIONAL CONTACT MECHANICS USING ISOGEOMETRIC ANALYSIS
Contact mechanics plays a central role in many engineering applications and remains a challenging topic in numerical simulation due to the presence of strong nonlinearities. This paper presents a review of contact formulations developed within the framework of isogeometric analysis (IGA). After outlining classical finite element contact approaches ...
By Snježana Milovanović, Aleksandar Borković, Ognjen Mijatović
METHODS FOR STRUCTURAL CONDITION ASSESSMENT AND PROOF LOAD TESTING: A CASE STUDY OF THE CAMPUS GARAGE AT THE UNIVERSITY OF BANJA LUKA
This paper presents a comprehensive condition assessment of the campus garage at the University of Banja Luka. The assessment methodology included visual inspections, non-destructive testing (NDT) of concrete using rebound hammer and ultrasonic pulse velocity methods, and proof load testing of the primary roof truss. Deformations were monitored usi...
By Sanja Kizić, Anđelko Cumbo, Gordana Broćeta, Marina Latinović Krndija, Gordana Jakovljević, Slavko Vasiljevic, Aleksandar Savić, Filip Marin, Žarko Dabić, Ognjen Mijatović
REVIEW OF STRUCREVIEW OF STRUCTURAL DEVELOPMENT OF DAMS WITH AN EMPHASIS ON THE CONSTRUCTION OF THREE GORGES DAMTURAL DEVELOPMENT OF DAMS WITH AN EMPHASIS ON THE CONSTRUCTION OF THREE GORGES DAM
Dams are hydrotehnic engineering structures that have undergone significant advancement throughout history from an engineering standpoint, and today they represent some of the most complex constructions. Additionally, they play a crucial role in the economic development of many countries. Four basic types of dams have been developed: embankment, gr...
By Aleksandra Jeremić, Jelena Stojičić, Ognjen Mijatović, Dijana Tatar
REVIEW OF THE DEVELOPMENT OF SUSPENSION BRIDGES AND BRIDGES WITH INCLINED CABLES WITH A FOCUS ON NEW TECHNOLOGIES AND THE OAKLAND BAY AND YAVUZ SULTAN SELIM BRIDGES
Bridges are among the oldest structures that humans have built throughout history. Over time, along with technological advancements, various structural systems for bridges have been discovered. This overview paper analyzes suspension bridges and bridges with inclined cables, delving deeper into the issues and construction technology of two specific...
By Mihailo Maksimović, Dajana Janković, Ognjen Mijatović
EXPERIMENTAL ANALYSIS OF STRUCTURAL DAMPING FOR BOLTED AND WELDED SPLICE CONNECTION JOINT FOR IPE-80 STEEL PROFILE
Progress and demands of all types of constructions imposed the need for the development of modernstructures that are lightweight, but at the same time have high damping capacity and stiffness. Theconsequences of these requirements are increased dynamic problems related to vibrations anddissipative processes in structure connection joints. Structura...
By Ognjen Mijatović, Zoran Mišković, Ratko Salatić, Rastislav Mandić, Valentina Golubović-Bugarski, Gabriel Relja
REVIEW OF BASIC CONCEPTS OF CONTACT MECHANICS OF FRICTIONLESS CONTACT WITH EMPHASIS ON PENALTY METHOD
Problems involving contact are of great importance in industry related to mechanical and civilengineering, but also in biomechanics and other applications. The contact interaction betweensurfaces and different bodies like in a bolted splice connection joint or area in which a tire interactswith the soil is not known a priori, leading to a nonlinear...
By Ognjen Mijatović, Rastislav Mandić, Zoran Mišković, Ratko Salatić, Gabriel Relja
EXPERIMENTAL AND NUMERICAL ANALYSIS OF A SIMPLE FRAME STRUCTURAL MODEL WITH TUNED LIQUID DAMPER
In this paper, a brief overview of damping systems and their operation and analysisprinciples is provided, with emphasis on tuned damping systems of engineeringstructures. The results of the experimental analysis are presented for an aluminum framestructure excited with initial displacement. The measured dynamic parameters(eigenfrequencies and dump...
By Mladen Šiljegović, Marina Latinović, Ognjen Mijatović, Aleksandar Borković, Valentina Golubović Bugarski