Experimental and Numerical Analysis of Compression Thin-Walled Composite Plates Weakened by Cut-Outs

Falkowicz, Katarzyna

doi:10.1515/ace-2017-0047

Cited by 26 publications

(13 citation statements)

References 14 publications

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“…Strength analysis was carried out using the Finite Element Method. It is an advanced method of solving systems of differential equations, based on the division of the domain or discretisation into finite elements, for which the solution is approximated by specific functions, and performing actual calculations only for nodes of this division [22][23][24][25][26][27][28]. By means of this method, the structural strength of the structure is tested in the computer mechanics, it simulates strains, stresses or displacements.…”

Section: Strength Analysis 61 Fem Methodsmentioning

confidence: 99%

The modelling and strength analysis of the endoprosthesis of the knee joint

Kępa

Gajewski

2019

MATEC Web Conf.

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The knee joint is the largest of all in the human body. It connects the femur, tibia and patella. It is a double-angled joint reinforced with ligaments and surrounded by a joint capsule. Because of the bandy leg or knock-knee, cartilage wear due to age or defective joint load, alloplastic surgery is required. This is a procedure planned individually for each patient depending on their age, gender or weight. To assess the scale of wear, knee cartilage was scanned using computed tomography. CT scans were processed into a 3D model using Materialize Mimics. Based on obtained bone models, a model of the endoprosthesis was designed using the Catia V5 software. Strength analysis was carried out based on the selection of appropriate materials and theoretically accepted loads.

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Section: Strength Analysis 61 Fem Methodsmentioning

confidence: 99%

The modelling and strength analysis of the endoprosthesis of the knee joint

Kępa

Gajewski

2019

MATEC Web Conf.

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“…Only for structures S1-FRP and S1-NF was the intensity of the load in the second phase different, equal to p = 850 kPa [1], which gave r = 13,68 cm, because such a pavement structure is semi-rigid. Intensity of the load was assumed according to the Polish design guide [8], [15]. Additionally, thermal loading was included.…”

Section: Numerical Modelmentioning

confidence: 99%

“…This can be achieved by applying polypropylene [5], polypropylenearamid, carbon, polyester, or cellulose fibres to the asphalt concrete mixture [6]. In civil engineering, reinforced polymer composites are increasingly used [7,8,9,10,11]. A new technological solution is the modification of the asphalt mixture with innovative basalt-polymer FRP (Fiber Reinforced Polymer) fibers [3].…”

Section: Introductionmentioning

confidence: 99%

Durability of concrete pavement strengthened with asphalt layer with FRP fibres

Tutka

Nagórski

Radziszewski

et al. 2018

Archives of Civil Engineering

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SummaryPavements made of cement concrete, used for road constructions, are damaged during use. This applies to both the pavements of rural and forest roads with very low traffic loads, as well as road pavements with high traffic loads. One of the most effective ways of repairing damaged concrete cement pavements is through placing an asphalt overlay on a concrete slab. In order to increase the fatigue life of the asphalt overlay, asphalt mixtures are modified with fibres. One technological solution is to use FRP (Fiber Reinforced Polymer), an innovative material with improved properties. The aim of this paper is to assess the impact of asphalt overlays modified with a new type of fibres to strengthen the durability of weakened cement concrete pavement structures. On the basis of the conducted analyses, it was shown that the use of an asphalt layer reinforcement increases fatigue life, for both 15 cm thick prefabricated slabs and a typical road pavement for average traffic made of 25 cm doweled and anchored concrete slabs. There was a significant increase in the fatigue life of the concrete pavement structure as a result of modifying the overlaid asphalt mixture with FRP fibres.

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“…One of the problems associated with composite structures is the loss of stability. This problem has been widely described in many research publications [1][2][3][4][5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Estimation of critical force of the buckling composite structures using modelling methods

2019

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The study reported in this paper employed Artificial Neural Networks (ANN) to predict the critical force of the buckling composite structures. The critical force depends upon various factors such as thickness, stacking sequence, etc. These factors have been identified in earlier studies by means of the Finite Elements Method (FEM). The critical force is affected by the above-mentioned factors. Various approaches have been applied in the course of the presented study. Apart from our FEM simulation, the ANN approach has been applied and the results were compared. The main contribution of these two approaches is the estimation of the critical force. The ANN model is trained to predict the critical force for different configurations of input variables.

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Experimental and Numerical Analysis of Compression Thin-Walled Composite Plates Weakened by Cut-Outs

Cited by 26 publications

References 14 publications

The modelling and strength analysis of the endoprosthesis of the knee joint

The modelling and strength analysis of the endoprosthesis of the knee joint

Durability of concrete pavement strengthened with asphalt layer with FRP fibres

Estimation of critical force of the buckling composite structures using modelling methods

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