Explanipedia

A Noise-Robust, Baseline-Free, and Adaptive Damage Indicator of Plate-like Structures Based on the Multicomponent Information Separation of High-Resolution Mode Shapes Using Wavelets Open

Yuexin Wang, Tongfa Deng, Jinwen Huang, Maosen Cao, Dragoslav Šumarac · 2025

Modal-based damage identification methods, particularly those utilizing mode shapes, excel in damage localization due to their spatial distribution characteristics. Traditional contact-based sensors often struggle with achieving high spati…

A prognostic model of side friction of rock bolt anchoring section based on associated flow law Open

Bin Zheng, Mahmoud Bayat, Yehui Shi, Maosen Cao, Yazhou Jiang , et al. · 2025

The distribution of side friction in the elastic stage can be obtained according to the Mindlin solution and its related derivative methods. Nevertheless, owing to the limitations of these methods, they cannot predict side friction in the …

Investigation of Separating Temperature-Induced Structural Strain Using Improved Blind Source Separation (BSS) Technique Open

Hao‐Tian Gu, Xin Zhang, Dragoslav Šumarac, Jiayi Peng, László Dunai , et al. · 2024

The strain data acquired from structural health monitoring (SHM) systems of large-span bridges are often contaminated by a mixture of temperature-induced and vehicle-induced strain components, thereby complicating the assessment of bridge …

Automatic High-Resolution Operational Modal Identification of Thin-Walled Structures Supported by High-Frequency Optical Dynamic Measurements Open

Tongfa Deng, Yuexin Wang, Jinwen Huang, Maosen Cao, Dragoslav Šumarac · 2024

High-frequency optical dynamic measurement can realize multiple measurement points covering the whole surface of the thin-walled structure, which is very useful for obtaining high-resolution spatial information for damage localization. How…

Rapid and Accurate Identification of Concrete Surface Cracks via a Lightweight & Efficient YOLOv3 Algorithm Open

Haoan Gu, Kai Zhu, Alfred Strauß, Yehui Shi, Dragoslav Šumarac , et al. · 2024

Concrete materials and structures are extensively used in transformation infrastructure and they usually bear cracks during their long-term operation.Detecting cracks using deep-learning algorithms like YOLOv3 (You Only Look Once version 3…

Modal analysis and vibration control of a vertical cable with dual tuned mass dampers Open

Xin Zhang, Shuaitao Hu, Shixiang Zhang, Huaxin Zhu, Maosen Cao , et al. · 2023

This paper proposes a vibration model for modal analysis and vibration control of a vertical cable-dual tuned mass damper (C-DTMD) coupled system. The proposed model introduces several non-dimensional parameters to describe the in-plane vi…

Potential and Benefit of Green Roof Energy Renovation of Existing Residential Buildings with a Flat Roof in Belgrade Open

Zoran Perović, Stanko Ćorić, Snezana Isakovic, Dragoslav Šumarac · 2023

Green roofs are considered to be one of the optimal tools for saving energy and protecting the environment in developed countries. In this paper, an analysis of the possible application of green roofs on existing residential buildings with…

Preisach Mathematical Model of Hysteresis Open

Dragoslav Šumarac, Zoran Perović, D. Vatić, T. Curić, Ismail Nurković , et al. · 2023

Hysteretic nonlinear phenomena occur in many physical processes: ferromagnetism, adsorption, cyclic plasticity in mechanics, phase transformations, economics, etc. It is characterized by the fact that the same instantaneous values of input…

Investigation of Time-Varying Cable Tension of Bridges Using Time-Frequency Reassignment Techniques Based on Structural Health Monitoring Data Open

Maosen Cao, Shuaitao Hu, Xin Zhang, Shixiang Zhang, Dragoslav Šumarac , et al. · 2022

Cables have been increasingly utilized in modern long-span or tied-arch bridges as the main bearing structures. Real-time identification of time-varying cable tension is essential for assessing the service performance of bridges. Vibration…

On Nonlinear Viscoelasticity of Elastomeric ISOLGOMMA Mats Open

Lj. Kudrjavceva, Milan V. Mićunović, Dragoslav Šumarac · 2022

This paper is devoted to an analysis of experimental results on elastomeric mats applied to the pavement on the underground station “Belgrade-junction” (“Beograd-ˇcvor” in Serbian). The elastomeric composite mat taken as a support of the u…

Identification of Internal Damage in Circular Cylinders through Laser Scanning of Vibrating Surfaces Open

Yisu Xi, Binkai Shi, Wei Xu, Jing Ge, Huaxin Zhu , et al. · 2022

With the aid of non-contact measurements of vibrating surfaces through laser scanning, operating deflection shapes (ODSs) with high spatial resolutions can be used to graphically characterize damage in plane structures. Although numerous d…

Frequency Contour-Strip Method for Characterization of Damage in Structures under Noisy Conditions Open

Jiayi Peng, Hao Xu, Hailei Jia, Dragoslav Šumarac, Tongfa Deng , et al. · 2021

Eigen-frequency, compared with mode shape and damping, is a more practical and reliable dynamic feature to portray structural damage. The frequency contour-line method relying on this feature is a representative method to identify damage i…

Preisach Elasto-Plastic Model for Mild Steel Hysteretic Behavior-Experimental and Theoretical Considerations Open

Dragoslav Šumarac, Petar Knežević, Ćemal B. Dolićanin, Maosen Cao · 2021

The Preisach model already successfully implemented for axial and bending cyclic loading is applied for modeling of the plateau problem for mild steel. It is shown that after the first cycle plateau disappears an extension of the existing …

Use of Bispectrum Analysis to Inspect the Non-Linear Dynamic Characteristics of Beam-Type Structures Containing a Breathing Crack Open

Li Cui, Hao Xu, Jing Ge, Maosen Cao, Y. M. Xu , et al. · 2021

A breathing crack is a typical form of structural damage attributed to long-term dynamic loads acting on engineering structures. Traditional linear damage identification methods suffer from the loss of valuable information when structural …

Unfavorable geometric imperfections in steel plate girders subjected to localized loads Open

Saša Kovačević, Nenad M. Marković, Dragoslav Šumarac, Ratko Salatić · 2021

PRAJZAHOV MODEL HISTEREZISNE PETLJE ELASTOMERNOG LEŽIŠTA SA OLOVNOM ŠIPKOM Open

Dragoslav Šumarac, Filip Đorđević, Dejan Matić, Goran V. Milutinović · 2021

Lead-rubber bearings are often used as isolation/dissipation devices in the bridge structures, as they provide both, period shift and increased damping in the structure, reducing significantly the seismic forces and displacements induced i…

Digital Twin-Driven Intelligent Construction: Features and Trends Open

Hao Zhang, Yongqi Zhou, Huaxin Zhu, Dragoslav Šumarac, Maosen Cao · 2021

Digital twin (DT) can achieve real-time information fusion and interactive feedback between virtual space and physical space. This technology involves a digital model, real-time information management, comprehensive intelligent perception …

ANALIZA ISPLATIVOSTI ULAGANJA U FOTONAPONSKE SISTEME NA TERITORIJI AP VOJVODINE Open

Nemanja Milekić, Stanko Corić, Zoran Perović, Dragoslav Šumarac · 2021

Green energy has become an essential piece of any sustainable development analysis. Furthermore, renewable energy must be recognized as an area with the greatest potential for reducing the overall pollution in the Republic of Serbia. The g…

PREISACH MODEL USED TO DECRIBE RESPONSE OF CLAY IN DIRECT SHEAR TEST Open

Dragoslav Šumarac, Nikola Božović, Marija Krstić, Stefan Mitrović · 2021

Mathematical modeling of engineering materials is important issue in design \nof structures. Model itself should satisfy two conditions: first to explain in the best way \nmechanical behavior of material and second to be as simple as pos…

A Preisach Model for Monotonic Tension Response of Structural Mild Steel with Damage Open

Petar Knežević, Dragoslav Šumarac, Zoran Perović, Ćemal B. Dolićanin, Zijah Burzić · 2020

This paper presents the new type of Preisach model that describes the elastoplastic behavior of structural mild steel under axial monotonic tension load with damage. Newly developed model takes into account elastic region, horizontal yield…

TRADICINALNI MATERIJALI KAO REŠENJE ZA GRAĐENJE U NOVOM VREMENU KLIMATSKIH POREMEĆAJA Open

Milan Kekanović, Dragoslav Šumarac, Ljiljana Kozarić, Stanko Ćorić, Arpad Čeh · 2019

The paper contains the authors’ experiences and findings that were yielded as a result of measurements of the thermodynamic properties of traditional renewable materials. As a testament to the quality of existing traditional constructions …

Re-use of historic buildings and energy refurbishment analysis via building performance simulation: A case study Open

Nenad Šekularac, Dragoslav Šumarac, Jasna Čikić Tovarović, Miloš Čokić, Jelena Ivanović-Šekularac · 2018

This paper analyses the possibility to apply energy refurbishment measures in restored historic buildings in order to ensure reuse. The objective of the paper is to provide an appropriate methodology for the structural restoration of histo…

VENTILACIJA DUGIH SAOBRAĆAJNIH TUNELA U USLOVIMA REDOVNOG I INCIDENTNOG FUNKCIONISANJA Open

Nikola Mirković, Predrag Mitković, Ljubo Divac, Slobodan Radovanović, Dragoslav Šumarac · 2017

In the paper presents the basic principles of ventilation long road tunnels using three different types of ventilation systems.There are presented the basic principles of longitudinal, transverse and semi-transverse ventilation in terms of…

PROSTORNE RAMOVSKE KONSTRUKCIJE PRI CIKLIČNOM OPTEREĆENJU Open

Zoran Perović, Dragoslav Šumarac · 2017

In this paper, three dimensional frame structures, subjected to cyclic loading are analyzed. In numerical examples, rectangular and I cross section shapes are used for elements of structures subjected to various loading cases. For definiti…

Stability analysis of vertical cuts Open

Andrija Radović, Nikola Blagojević, Dragoslav Šumarac · 2017

ODREĐIVANJE TRANSFER FUNKCIJE TEMPERATURE PRI PROLASKU TOPLOTE KROZ FASADNI ZID Open

Zorana Petojević, Predrag Mitković, Nikola Mirković, Jovana Milovanović, Bojana Ninić , et al. · 2017

Zbornik radova Građevinskog fakulteta

SPREGNUTI ELEMENATI U USLOVIMA POŽARA I MERE ZAŠTITE Open

Nikola Mirković, Predrag Mitković, Bojana Ninić, Jovana Milovanović, Milica Mirković , et al. · 2017

In this paper, the results of numerical simulation of 2D non-stationary \ntemperature fields in commonly used composite structural members made of steel and \nconcrete in fire conditions were presented. Simulation is based on the model whi…

POBOLJŠANJE ENERGETSKE EFIKASNOSTI ZGRADA U GRADSKIM SREDINAMA Open

Stanko Ćorić, Zoran Perović, Dragoslav Šumarac · 2016

Although there are a large number of buildings with high energy consumption in Serbia, there is a possibility to reduce it by investing in renovation of such buildings.Windows and doors, which are part of thermal envelope of building, play…

ANALIZA STABILNOSTI VERTIKALNOG ZASEKA PRIMENOM MEHANIKE LOMA Open

Predrag Mitković, Nikola Obradović, Dragoslav Šumarac · 2016

Determination of critical height of vertical slope is a very important task in geotechnical engineering. Recently, increasing number of researchers is suggesting new solutions to this task using principles of fracture mechanics, instead of…

TOPLOTNA PROVODLJIVOST SUVOG I VLAŽNOG MATERIJALA ZIDOVA – VAŽAN UTICAJ NA ENERGETSKU EFIKASNOST OBJEKATA Open

Milan Kekanović, Dragoslav Šumarac, Karolj Kasaš, Arpad Čeh · 2016

Rezime: Ovaj rad ukazuje na vrlo važan detalj od koga zavisi energetska efikasnost objekata a to je stanje vlažnosti materijala

Dragoslav Šumarac YOU? Author Swipe