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article

Bending Stress Analysis of Laminated Foldable Touch Panel

Meng-Kao Yeh, Li-Yu Chang, Hsien-Chie Cheng, Pi-Hsien Wang, more

Procedia Engineering > 2014 > 79 > Complete > 189-193

The touch panel technology has been developed in recent years, and the foldable touch panel is one of the newly attractive characteristics. This article focuses on the bending stress analysis of foldable touch panel, composed of plastic substrate PET, adhesive layer, plastic layer PI, organic layer and conductive layer ITO to form a seven-layer laminated structure. By applying four-point bending,...

article

Finite element stress analysis of dental cement application on endocrown and onlay restoration

Satrio Wicaksono, Wandi Prasetia, Anna Muryani, Tatacipta Dirgantara, more

Australian Endodontic Journal > 49 > 3 > 665 - 674

The aim of the study was to evaluate the influence of resin cement material types on tooth with endocrown and onlay restorations. The first molar was scanned using Micro‐CT and underwent a modelling process to obtain the 3D model for computational simulation. Eight models were simulated in the current study with two loading conditions (720N vertical load and 200N oblique load), two types of restoration...

article

Design of a separator machine for oil palm fruit mesocarp and nut using computer‐aided design and linear finite element analysis

Mohd Hafizz Wondi, Rosnah Shamsudin, Robiah Yunus, Mohd Salahuddin Mohd Basri, more

Journal of Food Process Engineering > 46 > 12 > n/a - n/a

This study addresses the inefficiencies in the current palm oil milling process, where the coexistence of mesocarp fiber and nut during pressing results in oil loss and nut breakage. To tackle this issue, the research aims to develop a machine that can separate mesocarp fibers from nuts before pressing, enhancing oil extraction and quality. The study involves designing the machine layout, creating...

article

A coupled SPH‐EBG numerical model for deformations of MCF7 cancer cell in a microchannel flow

Jia Min Lee, Wai Lee Chan

International Journal for Numerical Methods in Fluids > 95 > 12 > 1821 - 1845

Properties of a cell can determine its deformations, which can aggravate cancer metastasis. In laboratory, microfluidic technology has been adopted to study cell deformations. However, quantifying the effects of cell deformations has remained difficult. To this end, this paper presents a two‐dimensional particle‐based model that can capture flow‐induced cell deformations in a microchannel. The numerical...

article

Health monitoring of composite car roof failure under effect of different impact velocity

Ahmed Raee Madeh, Nabel Kadum Abd-Ali

Diagnostyka > 2023 > Vol. 24, No. 4 > art. no. 223406

During this work, the roof of the car was used as an engineering application to study and monitor the occurrence of failures under the influence of various loads. The shells are made of multilayer composite materials using epoxy resin reinforced with carbon fiber and aluminium oxide granules as reinforcing materials to increase the impact resistance that vehicles may be exposed to while driving, in...

article

The dependence of X‐ray elastic constants with respect to the penetration depth

Charles Mareau

Journal of Applied Crystallography > 56 > 5 > 1446 - 1455

X‐ray diffraction techniques are widely used to estimate stresses within polycrystalline materials. The application of these techniques requires the knowledge of the X‐ray elastic constants relating the lattice strains to the stress state. Different analytical methods have been proposed to evaluate the X‐ray elastic constants from the single‐crystal elastic constants. For a given material, such methods...

article

75‐2: Failure Mechanisms and Optimum Methods for Through Glass Via

Qichang An, Yuelei Xiao, Qiuxu Wei, Yifan Wu, more

SID Symposium Digest of Technical Papers > 54 > 1 > 1060 - 1063

Due to high insulation, low dielectric loss and low cost, glass is considered as a promising substrate material for advanced package. Through glass via technology plays a key role in the 2.5D and 3D packaging. This paper analyzes failure mechanisms of TGV and discuss the optimum design and process.

article

Złożony stan naprężenia w gazociągu przesyłowym

Wojciech Kostowski, Natalia Kotula, Ida Wilczek, Grzegorz Nowak

Gaz, Woda i Technika Sanitarna > 2023 > Nr 7-8 > 15--21

W artykule przedstawiono złożony stan naprężenia w gazociągu przesyłowym wywołany czterema czynnikami: ciśnieniem gazu, zmianami temperatury, zginaniem na placu budowy oraz naciskiem gruntu. Wyniki obliczeń analitycznych porównano z modelem numerycznym. Zaobserwowano różnice w przypadku naprężeń termicznych obwodowych, które są mniejsze wg modelu MES niż wyznaczane analitycznie. Stosowane metody projektowe...

article

Kierunkowość magneto-mechaniczna w stalach krzemowych - teoria i przykłady

Zbigniew Hilary Żurek, Gerd Dobmann, Bartosz Chmiela

Napędy i Sterowanie > 2023 > R. 25, nr 6 > 30--33

Powszechnie stosowane blachy elektrotechniczne stali krzemowej [15, 16] są zorientowane na ziarno (GO – np. blachy transformatorów anizotropowych) lub niezorientowane na ziarno (NGO – np. blachy izotropowe lub generatorowe). Badaniu poddano blachę typu M130 o wymiarach odpowiadających formatowi A4. Oceniano dwa przypadki zmiany naprężenia w stosunku do geometrycznego środka arkusza blachy jak i wąskiego...

article

Stress analysis of suspended rail vehicle bogie

Mateusz Kuczyk, Piotr Jędrzejewski, Paweł Załuski

Pojazdy Szynowe > 2022 > Nr 1-2 > 20--29

The main topic of this article is the strength analysis of selected bogie components – the wheelset axle and the frame. Axle calculations were based on the analytical method and were conducted with different types of materials. The finite element method was used for verification of bogie frame construction and loads applied on the frame were calculated according to the PN-EN 13749 norm. The bogie...

article

Energy storage and stress–strain characteristics of a prosthetic foot: a priori design and analysis with experiments

Thirunindravur Balaramakrishnan, Sundararajan Natarajan, Srinivasan Sujatha

International Journal for Numerical Methods in Biomedical Engineering > 38 > 4 > n/a - n/a

This work proposes an experimentally validated numerical approach for a systematic a priori evaluation of the energy storage and stress–strain characteristics of a prosthetic foot during the stance phase of walking. Boundary conditions replicating the rocker based inverted pendulum model were incorporated. The mechanically complex Ottobock Solid Ankle Cushioned Heel (SACH) foot was opted as the test...

article

Fatigue failure risk evaluation of bimetallic rolls in four‐high hot rolling mills

Mohd Radzi Aridi, Nao‐Aki Noda, Yoshikazu Sano, Kakeru Takata, more

Fatigue & Fracture of Engineering Materials & Structures > 45 > 4 > 1065 - 1087

In hot rolling mills, bimetallic rolls are used because of the excellent hardness and wear resistance by applying high‐speed steel (HSS) and ductile casting iron (DCI). Because most of the previous studies focused on surface spalling, almost no study is available for internal fatigue failure based on the stress during the rolling. In this study, therefore, a three‐dimensional finite element method...

article

Investigation of the effects of surface roughness on stress distribution and moment carrying capacity at shrink‐fitted joints

İ. Saraç

Materialwissenschaft und Werkstofftechnik > 53 > 1 > 7 - 14

An important design parameter in shrink‐fitted joints is the average surface roughness values of the shaft and hub. During assembly, the surface roughness is crushed and the theoretical tightness value decreases between the shaft and the hub. The decrease in the tightness value negatively affects the joint performance. In this study, six models with six different surface roughnesses were created using...

article

Design of constant velocity joint puller for passenger vehicles and light trucks

Bogdan Derbiszewski, Marek Wozniak, Sergiusz Zakrzewski, Gabriel Verdeaux, more

Technologia i Jakość Wyrobów > 2022 > R. 67 > 26--38

Replacing components on an already assembled inertia shaft of a car transmission system can be tedious and detrimental to some components, so using a puller instead of a tool like a hammer can help you get the job done safely and faster. The aim of the study was to evaluate the performance of the designed fixed-speed puller, allowing easier access to the shaft. Based on the geometry of the existing...

article

Structural analysis of functionally graded material using sigmioadal and power law

Nabel Kadum Abd-Ali, Ahmed Raee Madeh

Diagnostyka > 2021 > Vol. 22, No. 4 > 59--65

The stress-strain relations, displacement distribution, stress resultants and mid plane strain resultants of a functionally graded material plate are studied using Hamilton’s principle. A simply supported rectangular thick shell direct stress, inplane shear stress, transverse stress and displacement are investigated. The analysis and modeling of five layers FGM shell is carried out using MATLAB19...

article

Stress distribution within the ceramic veneer‐tooth system with butt joint and feathered edge incisal preparation designs

Sy Yin Chai, Vincent Bennani, John M. Aarts, Karl Lyons, more

Journal of Esthetic and Restorative Dentistry > 33 > 3 > 496 - 502

Objective This in‐vitro study aims to study the stress distribution within the ceramic veneer‐tooth system with two incisal preparation designs—butt joint (BJ) and feathered edge (FE), and to correlate these findings to the results of our previous published load‐to‐failure study. Methods Six photoelastic models were fabricated with an epoxy resin material (West System 105 Epoxy Resin/205 Fast Hardener,...

article

Design and analysis methods for composite bonded joints

Przemysław Dobrzański, Witold Oleksiak

Transactions on Aerospace Research > 2021 > Nr 1 (262) > 45--63

A literature review on existing design and analysis methods for composite adhesively bonded joints has been conducted. Methods that might form a basis for development of practical engineering methodology for adhesively bonded joints were selected and described. Starting from the simplest and the fastest analytical methods (closed-form solutions): average shear stress, shear lag model and adhesive...

article

Curved beam stress analysis using a binary image of the cross‐section

Evaldas Narvydas, Nomeda Puodziuniene

Computer Applications in Engineering Education > 28 > 6 > 1696 - 1707

Crane hooks, chain links, various rings, and many other curved structural members are widely used in mechanical engineering structures. The stress analysis procedure of this group of structural members includes two steps: definition of the cross‐section geometry properties and determination of stresses. The article presents a variation of the method for curved beam stress analysis where geometrical...

article

The impact of the structural form on the stress distribution in a flexspline of a hermetic harmonic driver

Jacek Pacana

Journal of Theoretical and Applied Mechanics > 2020 > Vol. 58 nr 4 > 1049--1060

This paper presents a comparative analysis with different models of the flexspline for a harmonic hermetic drive. The flexspline is a thin-walled construction, deforming during work, so its design is a very complicated process. The paper contains a strength analysis for some selected models of this gear. Calculations were performed using the finite element method (FEM) in ADINA. The work presents...

article

Damage‐sensitive impedance sensor placement on multi‐strand anchorage based on local stress variation analysis

Ngoc‐Loi Dang, Thanh‐Canh Huynh, Quang‐Quang Pham, So‐Young Lee, more

Structural Control and Health Monitoring > 27 > 7 > n/a - n/a

An important issue in impedance‐based damage monitoring is to deploy sensors in proper positions in which damage‐sensitive impedance responses can be captured effectively. In this study, a full‐scale multi‐strand anchorage is analyzed to determine optimal locations of piezoelectric sensors for impedance‐based monitoring of locally damaged strands. First, stress variations of the multi‐strand anchorage...

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STRESS ANALYSIS (1,638)
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COILS (27)
FLIP-CHIP DEVICES (27)
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METALS (18)
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CMOS INTEGRATED CIRCUITS (17)
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Search results

Bending Stress Analysis of Laminated Foldable Touch Panel

Finite element stress analysis of dental cement application on endocrown and onlay restoration

Design of a separator machine for oil palm fruit mesocarp and nut using computer‐aided design and linear finite element analysis

A coupled SPH‐EBG numerical model for deformations of MCF7 cancer cell in a microchannel flow

Health monitoring of composite car roof failure under effect of different impact velocity

The dependence of X‐ray elastic constants with respect to the penetration depth

75‐2: Failure Mechanisms and Optimum Methods for Through Glass Via

Złożony stan naprężenia w gazociągu przesyłowym

Kierunkowość magneto-mechaniczna w stalach krzemowych - teoria i przykłady

Stress analysis of suspended rail vehicle bogie

Energy storage and stress–strain characteristics of a prosthetic foot: a priori design and analysis with experiments

Fatigue failure risk evaluation of bimetallic rolls in four‐high hot rolling mills

Investigation of the effects of surface roughness on stress distribution and moment carrying capacity at shrink‐fitted joints

Design of constant velocity joint puller for passenger vehicles and light trucks

Structural analysis of functionally graded material using sigmioadal and power law

Stress distribution within the ceramic veneer‐tooth system with butt joint and feathered edge incisal preparation designs

Design and analysis methods for composite bonded joints

Curved beam stress analysis using a binary image of the cross‐section

The impact of the structural form on the stress distribution in a flexspline of a hermetic harmonic driver

Damage‐sensitive impedance sensor placement on multi‐strand anchorage based on local stress variation analysis

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