Proceedings of the V International Conference on Textile Composites and Inflatable Structures Structural Membranes 2011

Held in Barcelona, Spain, 5-7 October 2011

A publication of:
International Center for Numerical Methods in Engineering (CIMNE) Barcelona, Spain

E. Oñate, E., B. Kröplin and K.-U. Bletzinger (Eds.)

© The authors

Sumario

  • Zoomorphism and bio-architecture: between the formal analogy and the application of nature's principles 

    Llorens Duran, Josep Ignasi de (2011)
    Texto en actas de congreso
    Acceso abierto
    The environment, ecology and sustainability are important concerns in much modern technological innovation. Since these concerns are of particular relevance to the field of construction, proposals are being made concerning ...
  • 85 ways to make a membrane mould 

    Pronk, Arno D.C.; Dominicus, Maurice M.T. (2011)
    Texto en actas de congreso
    Acceso abierto
    The focus of this paper is on the form and materialization of membrane moulding. There has been an impressive and long tradition in research on geometry and form finding of membranes. The use of membranes for moulding has ...
  • Space–time fsi modeling of ringsail parachute clusters 

    Takizawa, Kenji; Spielman, Timothy; Tezduyar, Tayfun E. (2011)
    Texto en actas de congreso
    Acceso abierto
    The computational challenges posed by fluid–structure interaction (FSI) modeling of ringsail parachute clusters include the lightness of the membrane and cable structure of the canopy compared to the air masses involved in ...
  • Pressurized membranes for structural use: interaction between local effects and global response 

    Barsotti, Riccardo; Ligarò, Salvatore S. (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper is aimed to assess the non-linear elastic response of an inflatable cylindrical beam through a simple mechanical model recently proposed by the authors1 to study the equilibrium shapes of highly pressurized ...
  • Air volume elements for distribution of pressure in air cushion membranes 

    Bellmann, Juergen (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper describes techniques and presents examples for nonlinear finite element analysis on membranes interacting with an air volume.
  • Advanced cutting pattern generation – Consideration of structural requirements in the optimization process 

    Dieringer, Falko; Wüchner, Roland; Bletzinger, Kai-Uwe (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper presents extensions to optimized cutting pattern generation through inverse engineering regarding structural requirements. The optimized cutting pattern generation through inverse engineering is a general approach ...
  • A rotation free shell triangle with embedded stiffeners 

    Flores, Fernando G.; Oñate Ibáñez de Navarra, Eugenio (2011)
    Texto en actas de congreso
    Acceso abierto
    In this paper a rotation free shell element with embedded stiffeners is presented. The element is based on a previous one where the membrane and bending strains are obtained using a patch of four triangular elements centered ...
  • Shape analysis for inflatable structures with water pressure by the simultaneous control 

    Zakaria, Muhammad Bizam Bin; Obiya, Hiroyuki; Ijima, Katsushi (2011)
    Texto en actas de congreso
    Acceso abierto
    Simultaneous control is an incremental technique that can be applied to shape analysis with soap film elements, when the shape has large volume and high rise. Furthermore, the tangent stiffness method is a clear and strict ...
  • Finite element analysis on multi-chamber tensairity-like structures filled with fluid and/or gas 

    Maurer, Anne; Konyukhov, Alexander; Schweizerhof, Karl (2011)
    Texto en actas de congreso
    Acceso abierto
    The concept of Tensairity-structures [6] developed by the company Airlight in Biasca, Switzerland, has been known since 2004. The advantages of the airbeams with a compression element and a spiraled cable are essentially ...
  • Direct area minimization through dynamic relaxation 

    Pauletti, Ruy M.O.; Guirardi, Daniel M. (2011)
    Texto en actas de congreso
    Acceso abierto
    Minimal surfaces, characterized by the property of a minimal area within a fixed boundary, offer an interesting design option for membrane structures, since they are uniquely defined and provide economy of material and ...
  • Finding Minimal and Non-Minimal Surfaces through the Natural Force Density Method 

    de Oliveira Pauletti, Ruy Marcelo (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper discusses the Natural Force Density Method, an extension of the well known Force Density Method for the shape finding of continuous membrane structures, which preserves the linearity of the original method, ...
  • Energy saving design of membrane building envelopes 

    Cremers, Jan M. (2011)
    Texto en actas de congreso
    Acceso abierto
    Besides glass, a variety of other translucent and transparent materials are just as highly attractive to architects: plastics, perforated metal plate and meshing, but maybe most of all membrane materials which can also ...
  • Numerical investigation of the structural behaviour of a deployable tensairity beam 

    De Laet, Lars; Mollaert, Marijke; Roekens, Jan; Luchsinger, Rolf H. (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper investigates numerically the load bearing behaviour of a deployable Tensairity beam. More precise, it studies the influence of the cables that connect the upper and lower strut of the deployable Tensairity beam ...
  • Shear deformations in inflated cylindrical beams: an old model revisited 

    Ligarò, Salvatore S.; Barsotti, Riccardo (2011)
    Texto en actas de congreso
    Acceso abierto
    The paper considers the effects of the shear deformations on the loaddisplacement response of pressurized thin-walled cylindrical beams of circular shape, subject to lateral loads. In order to schematize the nonlinear ...
  • Design tools for inflatable structures 

    Maffei, Roberto; Luchsinger, Rolf H.; Zanelli, Alessandra (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper shows different tools and approaches that can be useful for the definition of the design of pneumatic structures. Some of these tools have been applied for the design of a Tensairity® hull.
  • Simulation of inflatable structures: two proposals of dynamic relaxation methods usable with any type of membrane elements and any reversible behavior 

    Rodríguez, J.; Rio, G.; Cadou, J.M.; Troufflard, J. (2011)
    Texto en actas de congreso
    Acceso abierto
    This work deals with the numerical study of inflatable fabric structures. As implicit integration schemes can lead to numerical difficulties, such as singular stiffness matrices, explicit schemes are preferred. Since the ...
  • Preliminary investigation to Tensairity arches 

    Roekens, Jan; Mollaert, Marijke; De Laêt, Lars; Luchsinger, Rolf (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper investigates the load bearing behavior of Tensairity arches. The main goal of the research is to get a basic understanding of Tensairity arches and their feasibility. It analyzes the influence of the width/height ...
  • Shear and bending stiffnesses of orthotropic inflatable tubes 

    Thomas, J-C. (2011)
    Texto en actas de congreso
    Acceso abierto
    This work concerns the behavior of inflatable beams subjected to bending loads. Some authors have worked on this subject and strength of materials theories have been written. In this paper, we first propose to calculate ...
  • Recent applications of fabric structures in Venezuela 

    León, Jaime A.; Hernández, Carlos H. (2011)
    Texto en actas de congreso
    Acceso abierto
    The paper presents some examples of fabric structures designed and built by the company Grupo Estran in Venezuela, describing the different phases within the design method: from the first draft and the use of specialized ...
  • The design and application of lanterns in tent structures 

    Oliva-Salinas, Juan G.; Valdez-Olmedo, Eric (2011)
    Texto en actas de congreso
    Acceso abierto
    This work describes the design and construction of lanterns and their application in tent structures by looking at four projects in chronological order that have been developed by the Structures Laboratory of the Faculty ...
  • Tensegrity ring for a sports arena formfinding & testing 

    Peña, Diana; Llorens Duran, Josep Ignasi de; Sastre Sastre, Ramon; Crespo Artiaga, Daniel; Martínez, Joshua (2011)
    Texto en actas de congreso
    Acceso abierto
    The current prototype’s key contribution to the field of light-weight structures is that it is the first time that a pure tensegrity ring has been used in place of a compression ring. This design features a cladding ...
  • Shade design in spain: how to protect against heat and UV-radiation 

    Pöppinghaus, Hubertus (2011)
    Texto en actas de congreso
    Acceso abierto
    Shade design is a new discipline that was originally developed in Australia and New Zealand, where high rates of skin cancer have been a key factor driving innovation. It combines climatic comfort under shading structures ...
  • Using mobile devices in textile architecture design (iPad/iPhone) 

    Sánchez, Javier (2011)
    Texto en actas de congreso
    Acceso abierto
    The aim of this article is to explore the use of Mobile devices in the textile architecture field. Some Apps for iPad/iPhone/Android exist that cover general architecture aspects such as design, sketching, rawing, CAD ...
  • Experimental manufacture of a pneumatic cushion made of etfe foils and OPV cells 

    Zanelli, Alessandra; Monticelli, Carol; Becarelli, Paolo; Ibrahim, Hend Mohamed (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper presents the preliminary activity from which the fabrication of a new kind of ETFE foil fully integrated with a Smart, Organic, Flexible and Translucent Photovoltaic building component (named SOFT-PV) begins. A ...
  • Lightweight photovoltaics 

    Ferwagner, Thomas (2011)
    Texto en actas de congreso
    Acceso abierto
    Lightweight structures and Photovoltaic are two elements in the building industry with hardly any relations to each other. Beside the rigid silicon based panels a new generation of thin and flexible panels will be ready ...
  • Textile membranes for case of emergency flood protection 

    Heinlein, Kai; Wagner, Rosemarie (2011)
    Texto en actas de congreso
    Acceso abierto
    With this document you get an overview about textile membrane structures used for flood barriers in case of emergency. This project creates a connection between membrane construction and environmental technologies. It is ...
  • Numerical investigations for an alternative textile inverter building in the area of solar power generation 

    Janssen-Tapken, Kerstin; Kneer, Aron; Reimann, Klaus; Martens, Eckhard; Kotitschke, Thomas (2011)
    Texto en actas de congreso
    Acceso abierto
    Within electrical power generation by solar applications such as photovoltaics, the direct electric current is transformed into alternating current by converters. By the conversion of the current, heat is released from the ...
  • Membrane structures with improved thermal properties 

    Karwath, Michael (2011)
    Texto en actas de congreso
    Acceso abierto
    Typical for single layer membrane structures is the less isolation against temperature and sound. A de monstration building is de veloped to dem onstrate the possibilities of membrane structures being more environmental ...
  • Development and Testing of Water-Filled Tube Systems for Flood Protection Measures 

    Koppe, B.; Brinkmann, B. (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper provides information on mobile flood protection systems in general and on water-filled tube systems for flood control in particular. Results of field tests and laboratory tests of prototypes developed in the ...
  • A simulation model for the yearly energy demand of buildings with two-or-more-layered textile roofs 

    Reimann, Klaus; Kneer, Aron; Weißhuhn, Cornelius; Blum, Rainer (2011)
    Texto en actas de congreso
    Acceso abierto
    This document provides information and instructions for preparing a Full Paper to be included in the Proceedings of MEMBRANES 2011 Conference.
  • Investigation of an elastoflexible morphing wing configuration 

    Béguin, B.; Breitsamter, Ch.; Adams, N. (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper considers the experimental investigation of a morphing wing using an elastic membrane for the lifting surface to allow large variations of the planform. Measurements of the membrane deflection of two different ...
  • Pressure-volume coupling in inflatable structures 

    Coelho, Marianna; Bletzinger, Kai-Uwe; Roehl, Deane (2011)
    Texto en actas de congreso
    Acceso abierto
    Inflatable structures or pneumatic structures are air-supported structures and find application in a variety of new engineering projects. By these structures the gas gives shape and strength to the structure in such a way ...
  • Numerical tools for the analysis of parachutes 

    Flores Le Roux, Roberto Maurice; Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio (2011)
    Texto en actas de congreso
    Acceso abierto
    The design and evaluation of parachute-payload systems is a technology field in which numerical analysis tools can make very important contributions. This work describes a new development from CIMNE in this area, a coupled ...
  • On the hydraulic and structural design of fluid and gas filled inflatable dams to control water flow in rivers 

    Gebhardt, M.; Maurer, A.; Schweizerhof, K. (2011)
    Texto en actas de congreso
    Acceso abierto
    The German Federal Waterways and Shipping Administration operates about 280 weirs, half of which are more than 50 years old. Many of these weirs will therefore need to be refurbished in the near future, even though budget ...
  • Multiscale sequentially-coupled fsi computation in parachute modeling 

    Takizawa, Kenji; Wright, Samuel; Christopher, Jason; Tezduyar, Tayfun E. (2011)
    Texto en actas de congreso
    Acceso abierto
    We describe how the spatially multiscale Sequentially-Coupled Fluid–Structure Interaction (SCFSI) techniques we have developed, specifically the “SCFSI M2C”, which is spatially multiscale for the structural mechanics part, ...
  • Structural dynamic façade 

    Habraken, A.P.H.W. (2011)
    Texto en actas de congreso
    Acceso abierto
    Second skin façades are used to improve the building physics of a façade not for structural reasons. This research at the Eindhoven University of Technology focuses on the structural advantages of form-active lightweight ...
  • Concrete shell structures revisited: introducing a new ‘low-tech’ construction method using vacuumatics formwork 

    Huijben, Frank; Van Herwijnen, Frans; Nijsse, Rob (2011)
    Texto en actas de congreso
    Acceso abierto
    Concrete shell structures, often referred to as ‘thin shells’, have been around since the 1930’s. The design of these thin shells was stimulated by the desire to cover wide spans in an economically attractive manner. ...
  • The use of fabrics as formwork for concrete structures and elements 

    Pedreschi, R. (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper presents and describes a series of studies into the use of flexible fabrics as formwork for concrete structures as alternative to conventional rigid formwork.
  • Development and evaluation of mould for double curved concrete elements 

    Raun, Christian; Kristensen, Mathias K.; Kirkegaard, Poul Henning (2011)
    Texto en actas de congreso
    Acceso abierto
    The present paper describes a concept for a reconfigurable mould surface which is designed to fit the needs of contemporary architecture. The core of the concept presented is a dynamic surface manipulated into a given shape ...
  • Fabric-formed concrete member design 

    Schmitz, Robert P. (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper introduces engineering design and analytical modeling techniques providing the design community with an alternative means for forming concrete structures by using flexible fabric formwork.
  • Database interactive and analysis of the pneumatic envelope systems, through the study of their main qualitative parameters 

    Gómez-González, Alberto; Neila, Javier; Monjo, Juan (2011)
    Texto en actas de congreso
    Acceso abierto
    The design of pneumatic envelope systems has experienced an important development since the beginning of the 20th century; when military, social and economic necessities required new systems to cover large rooms with easy ...
  • Geometry and stiffness in the case of arch supported tensile roofs with block and tackle suspension 

    Hincz, Krisztián (2011)
    Texto en actas de congreso
    Acceso abierto
    The paper presents the comparative analysis of cable net roofs supported by truss arches with block and tackle suspension system. The effect of the friction (between the pulley and its shaft) on the internal forces of the ...
  • A very large deployable space antenna structure based on pantograph tensioned membranes 

    Kuhn, Thomas; Langer, Harald; Apenberg, Sebastian; Wei, Bin; Datashvili, Leri (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper provides investigation results on the membrane technology development of a high accuracy (low deformation and high eigenfrequency) membrane antenna structure and its demonstrator for space application.
  • (Un)folding the membrane in the deployable demonstrator of contex-t 

    Mollaert, Marijke; De Laet, Lars; Roekens, Jan; De Temmerman, Niels (2011)
    Texto en actas de congreso
    Acceso abierto
    The paper presents a system, made out of foldable ‘kinked’ beams and a membrane skin, based on a concept referring to origami. The anticlastic curvature of the membrane is obtained by transforming flat triangular parts ...
  • Lightweight and transparent covers 

    Pinto, Izis salvador; Morris, Ben (2011)
    Texto en actas de congreso
    Acceso abierto
    There has been a gradual shift in construction of long-span covers, from the use of opaque and heavy materials, to the use of transparent and lightweight ETFE (ethylene tetrafluoroethylene) cushions. This paper presents ...
  • Membrane restrained columns 

    Alpermann, Holger; Gengnagel, Christoph (2011)
    Texto en actas de congreso
    Acceso abierto
    This paper describes the structural beha viour of m embrane restrained colum ns. Initial experiments on tensile restrained columns are presented and discussed. FE-analysis has been carried out and the structur al behaviour ...
  • Soft.spaces _ new strategies for membrane architecture 

    Filz, Günther H. (2011)
    Texto en actas de congreso
    Acceso abierto
    The desire for new mostly fluent “soft spaces” in architecture cannot be overseen any more. Therefore new tools and approaches are tried out to create architecture with special spatial qualities. Spatially curved membrane ...
  • Direct Minimization Approaches on Static Problems of Membranes 

    Miki, M.; Kawaguchi, K. (2011)
    Texto en actas de congreso
    Acceso abierto
    Within this work, direct minimization approaches on static problems of membranes are discussed. In the first half, standard direct minimization methods are discussed. Some form-finding analyses of tension structures are ...
  • Reframing textiles into architectural systems; construction of a membrane shell by patchwork 

    Vrouwe, I.; Feijen, M.; Houtman, R.; Borgart, A. (2011)
    Texto en actas de congreso
    Acceso abierto
    In this paper different qualities of architectural textile techniques and tectonics are explored. By using a reframing strategy micro techniques and tectonics as used in fashion and textile design are evolved into an ...
  • Membrane Architecture, Innovative Design, Formfinder Software Tool, Cost Estimation, Value Finder 

    Wehdorn-Roithmayr, Robert; Giraldo, Mario (2011)
    Texto en actas de congreso
    Acceso abierto
    It is a fact that the available budget is one of the main driving factors for the architectural design. Therefore it is beneficial for designers to know, how to control the costs with the help of their design. Traditionally ...
  • Improvement of the system of modular inflated shells by means of physical modelling 

    Tarczewski, Romuald; Bober, Waldemar (2011)
    Texto en actas de congreso
    Acceso abierto
    The paper presents results of experimental research of modular inflated shells. Experiments carried out in the first phase showed that proposed connection between cushion modules has led to the creation of articulated ...
  • Homogenization and modeling of fiber structured materials 

    Fillep, Sebastian; Steinmann, Paul (2011)
    Texto en actas de congreso
    Acceso abierto
    For the mechanical modeling and simulation of the heterogeneous composition of a fiber structured material, the material properties at the micro level and the contact between the fibers have to be taken into account. The ...
  • A new double curved element for technical textile analysis with bending resistance 

    Hegyi, Dezsö (2011)
    Texto en actas de congreso
    Acceso abierto
    A new double curved spatial element was developed to analyze textile structures. It has a bending resistance beside the inplane stiffness. The element is based on a 8-node double curved membrane element1. To find the ...
  • Evaluation of the structural behavior of textile covers subjected to variations in weather conditions 

    Hernández, Carlos H. (2011)
    Texto en actas de congreso
    Acceso abierto
    A simplified model of an anticlastic membrane is that of two perpendicular ropes, which meet at a point. If the ropes are tensed in opposite directions, the meeting point becomes is fixed. As we increase the tension in the ...
  • An orthotropic membrane model replaced with line-members and the large deformation analysis 

    Ijima, Katsushi; Obiya, Hiroyuki; Kido, Kota (2011)
    Texto en actas de congreso
    Acceso abierto
    The paper proposes a method for analyzing large deformation of membrane structures by replacing the structures with elements composed line-members. The replacement has the advantage that the structural model is completely ...
  • Form-finding of extensive tensegrity using truss elements and axial force lines 

    Matsuo, Aya; Obiya, Hiroyuki; Ijima, Katsushi; Zakaria, Muhammad Nizam Bin (2011)
    Texto en actas de congreso
    Acceso abierto
    Tensegrity structure, which consists of cables and struts, are expected to be used as systems for cosmological, foldable and/or inflatable structures. The equilibrium shape of the tensegrity can be determined by iteration ...
  • Analysis of thermal evolution in textile fabrics using advanced microstructure simulation techniques 

    Römmelt, Matthias; August, Anastasia; Nestler, Britta; Kneer, Aron (2011)
    Texto en actas de congreso
    Acceso abierto
    Nowadays, membrane structures represent a modern construction element to be used as roof material in modern buildings or as design element in combination with traditional architecture. Membranes are mostly used in an outdoor ...
  • Mechanics of local buckling in wrapping fold membrane 

    Satou, Yasukata; Furuya, Hiroshi (2011)
    Texto en actas de congreso
    Acceso abierto
    Mechanics of a local buckling, which is induced by wrapping fold of a creased membrane, is discussed experimentally, theoretically, and numerically in this paper to examine the condition for the local buckling. The theoretical ...
  • Determination of the response of coated fabrics under biaxial stress: comparison between different test procedures 

    Galliot, Cedric; Luchsinger, Rolf H. (2011)
    Texto en actas de congreso
    Acceso abierto
    The biaxial response of a PVC-coated polyester fabric is investigated using three different test procedures. The influence of the test procedure on the experimental data is discussed. A new approach based on a response ...
  • Effects on elastic constants of technical membranes applying the evaluation methods of MSAJ/M-02-1995 

    Uhlemann, Jörg; Stranghöner, Natalie; Schmidt, Herbert; Saxe, Klaus (2011)
    Texto en actas de congreso
    Acceso abierto
    The non-linear load-deform ation behaviour of textile m embranes highly depends on the ratio of the applied m embrane forces in warp and weft direct ion (called load ratio hereafter). In practice, usually for each membrane ...
  • Issues with management, maintenance and upkeep in ETFE enclosures 

    Ward, James R.; Chilton, John; Rowell, Lance H. (2011)
    Texto en actas de congreso
    Acceso abierto
    Ethylene tetra-fluoro-ethylene (ETFE) foil, as a single layer or as multi-layer inflated cushions, has been in used in the building industry for nearly 30 years as a medium to cover and clad both façades and atria. Its ...