PSI - Issue 5

ScienceDirect Available online at www.sciencedirect.com Av ilable o line at ww.sciencedire t.com Sci ceDirect Structural Integrity Procedia 00 (2016) 000 – 000 Procedia Struc ural Integrity 5 (2017) 1102–11 7 Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2017) 000 – 000 Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2017) 000 – 000

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XV Portuguese Conference on Fracture, PCF 2016, 10-12 February 2016, Paço de Arcos, Portugal Thermo-mechanical modeling of a high pressure turbine blade of an airplane gas turbine engine P. Brandão a , V. Infante b , A.M. Deus c * a Department of Mechanical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisboa, Portugal b IDMEC, Department of Mechanical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisboa, Portugal c CeFEMA, Department of Mechanical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisboa, Portugal Abstract During their operation, modern aircraft engine components are subjected to increasingly demanding operating conditions, especially the high pressure turbine (HPT) blades. Such conditions cause these parts to undergo different types of time-dependent degradation, one of which is creep. A model using the finite element method (FEM) was developed, in order to be able to predict the creep behaviour of HPT blades. Flight data records (FDR) for a specific aircraft, provided by a commercial aviation company, were used to obtain thermal and mechanical data for three different flight cycles. In order to create the 3D model needed for the FEM analysis, a HPT blade scrap was scanned, and its chemical composition and material properties were obtained. The data that was gathered was fed into the FEM model and different simulations were run, first with a simplified 3D rectangular block shape, in order to better establish the model, and then with the real 3D mesh obtained from the blade scrap. The overall expected behaviour in terms of displacement was observed, in particular at the trailing edge of the blade. Therefore such a model can be useful in the goal of predicting turbine blade life, given a set of FDR data. 2nd International Conference on Structural Integrity, ICSI 2017, 4-7 September 2017, Funchal, Madeira, Portugal Pathological Inspection of Structural Masonry Walls of a Late Romantic Historical Building Patrícia C. Raposo a, *, José A.F.O. Correia a,b , Dinis Sousa c , Maria E. Salavessa c , Cristina Reis a,b,c , Carlos Oliveira a,d , Abílio de Jesus a,b a INEGI, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal b Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal c University of Trás-os-Montes e Alto Douro, apartado 1013 Quinta de Prados 5001-801 Vila Real d Polytechnic Institute of Viana do Castelo, Atlantic Avenue 4900-348 Viana do Castelo, Portugal The present work, has the objective of increase and encourage the rehabilitation of historical buildings, through the presentation of structural and pathological inspection, using techniques as thermometer and humidimeter to assess the conservation state of the structural elements of a 19 th century building existing in Felgueiras, Portugal. The structural members’ main problems identification makes it easier to predict their behavior and develop rehabilitation solutions to the problems. © 2017 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Scientific Committee of ICSI 2017. Keywords: Masonry structures; Historical buildings; Pathological characterization. 1. Introduction Traditional masonry i based on th use of local resources and techniques, inherited from the ancestors, being a city material identity [1-3]. In ancient times, to c nstruct a building, wasn’t requi red an official design process, so the buildings were made following local concept [1, 2, 4]. Masonry is composed by stones or bricks or blocks bounded 2nd International Conference on Structural Integrity, ICSI 2017, 4-7 September 2017, Funchal, Madeira, Portugal Pathological Inspection of Structural Masonr Walls f a Late Romantic Historical Building Patrícia C. Raposo a, *, José A.F.O. Correia a,b , Dinis Sousa c , Mari E. Salavessa c , Cristina Reis a,b,c , Carlos Oliveira a,d , Abílio de Jesus a,b a INEGI, Faculty of Engineering, University f Porto, Rua Dr. Roberto Frias, 4200-465 Port , Portugal b Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal c University of Trás-os-Montes e Alto Douro, apartado 1013 Quinta de Prados 5001-801 Vila Re l d Polytechnic Institute of Viana do Castelo, Atlantic Avenue 4900-348 Viana do Castelo, Portugal Abstract The present work, has the objective f increase and encourage the rehabilitation of historical buildings, thr ugh the presentation of and pa h logical inspection, using tech iques as the mometer nd umidimeter to ass ss the conservation state of the structural elements of a 19 th century buildi g existing in Felgu iras, P rtugal. The structural members’ main problems identification makes it easier to predict their behavior and develop rehabilitation solutions to the problems. © 2017 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Scientific Committee of ICSI 2017. Keywords: Masonry structures; Historical buildings; Pathological characterization. 1. Introduction Traditional masonry is based o the u e of l cal resources a d tech iqu s, inherited from the a cestors, being a city material identity [1-3]. In ancient times, to construct a building, wasn’t requi red an official design process, so the buildings were made following local concept [1, 2, 4]. Masonry is composed by stones or bricks or blocks bounded © 2017 The Authors. Published by Elsevier B.V. Peer-review und r responsibility of the Scientific Committee of ICSI 2017 © 2016 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Scientific Committee of PCF 2016. Keywords: High Pressure Turbine Blade; Creep; Finite Element Method; 3D Model; Simulation. Abstract

2452-3216 © 2016 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Scientific Committee of PCF 2016. 2452-3216  2017 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Scientific Committee of ICSI 2017 10.1016/j.prostr.2017.07.091 * Corresponding author. Tel.: +351 218419991. E-mail address: amd@tecnico.ulisboa.pt 2452 3216 © 2017 Th Authors. Published by Elsevier B.V. Peer-review under responsibility of the Scientific Committee of ICSI 2017. 2452-3216 © 2017 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the Scientific Committee of ICSI 2017. * Correspon ing author. Tel.: +351 225082151; fax: +351 229537352. E-mail address: praposo@inegi.up.pt * Corresponding author. Tel.: +351 225082151; fax: +351 229537352. E-mail address: praposo@inegi.up.pt