The Experts below are selected from a list of 27 Experts worldwide ranked by ideXlab platform

H.l. Davies - One of the best experts on this subject based on the ideXlab platform.

  • LOAD MONITORING OF COMPOSITES USING Smart Fibre OPTIC SENSORS
    FRC 2000–Composites for the Millennium, 2000
    Co-Authors: L.a. Everall, A.m. Gallon, H.l. Davies
    Abstract:

    ABSTRACT Composites are now used widely in a multitude of industries, including marine, aerospace, offshore and construction. This paper describes the potential of a Smart monitoring system to provide important structural information to the composite industry. The system uses sensors manufactured in optical Fibre, of diameter 0.25mm, to monitor loading at multiple locations within a structure. Due to the small size and light weight of the optical Fibres they can be readily embedded within a composite structure, such as a yacht mast, during lay-up. Fatigue tests of conditioned samples containing optical Fibre have shown that optical Fibre inclusion does not significantly effect material properties. By interrogating each sensor in real time, the system reveals the behaviour and health of a structure during manufacture and service. This technology, originally developed and demonstrated for aerospace, has application in all areas of engineering, including pipeline and civil engineering composite repair, yacht rigs and component monitoring. The real-time display of strain measurements allows continuous structural health monitoring and detection of problems before failure occurs. By taking periodic ‘strain maps’ of a structure, long term changes, for example ground subsidence under buildings, can be assessed. During the design phase of a structure, service conditions and required material responses must be understood. The information gathered through the system will allow designers to understand the structural performance more completely and relate the actual load data to predicted calculations. This will lead to increased confidence in composite design rules and in-service performance of composite structures. The potential of the system will be demonstrated using data obtained from sensors installed in a 35m free-standing carbon Fibre yacht. The system was trialed in the harsh environmental conditions associated with the maritime industry and monitored the behaviour of the free standing rig through a range of handling conditions.

Murray L. Scott - One of the best experts on this subject based on the ideXlab platform.

  • The case for multidisciplinary design approaches for Smart Fibre composite structures
    Composite Structures, 2002
    Co-Authors: Erica A. Abbott, Murray L. Scott
    Abstract:

    This paper presents the development of a design tool for the design of Fibre composite structures with embedded sensors. It is argued that the interaction between the requirements of the structure, sensors, manufacturing and maintenance in the design process, and the difficulties in imposing the new sensor requirements on the traditional disciplines, makes it difficult for innovative sensing technologies to be efficiently incorporated into designs. The field of multidisciplinary design optimisation (MDO) is introduced and a case made for including an MDO capability in a finite element analysis based design tool to manage the complexity of considering the multidisciplinary aspects of the design of structures with embedded sensors. The major required components of the design tool are highlighted and discussed. The paper also provides a description of the implementation of the MDO design tool for the design of adhesive joints with embedded and surface mounted sensors.

L.a. Everall - One of the best experts on this subject based on the ideXlab platform.

  • LOAD MONITORING OF COMPOSITES USING Smart Fibre OPTIC SENSORS
    FRC 2000–Composites for the Millennium, 2000
    Co-Authors: L.a. Everall, A.m. Gallon, H.l. Davies
    Abstract:

    ABSTRACT Composites are now used widely in a multitude of industries, including marine, aerospace, offshore and construction. This paper describes the potential of a Smart monitoring system to provide important structural information to the composite industry. The system uses sensors manufactured in optical Fibre, of diameter 0.25mm, to monitor loading at multiple locations within a structure. Due to the small size and light weight of the optical Fibres they can be readily embedded within a composite structure, such as a yacht mast, during lay-up. Fatigue tests of conditioned samples containing optical Fibre have shown that optical Fibre inclusion does not significantly effect material properties. By interrogating each sensor in real time, the system reveals the behaviour and health of a structure during manufacture and service. This technology, originally developed and demonstrated for aerospace, has application in all areas of engineering, including pipeline and civil engineering composite repair, yacht rigs and component monitoring. The real-time display of strain measurements allows continuous structural health monitoring and detection of problems before failure occurs. By taking periodic ‘strain maps’ of a structure, long term changes, for example ground subsidence under buildings, can be assessed. During the design phase of a structure, service conditions and required material responses must be understood. The information gathered through the system will allow designers to understand the structural performance more completely and relate the actual load data to predicted calculations. This will lead to increased confidence in composite design rules and in-service performance of composite structures. The potential of the system will be demonstrated using data obtained from sensors installed in a 35m free-standing carbon Fibre yacht. The system was trialed in the harsh environmental conditions associated with the maritime industry and monitored the behaviour of the free standing rig through a range of handling conditions.

Erica A. Abbott - One of the best experts on this subject based on the ideXlab platform.

  • The case for multidisciplinary design approaches for Smart Fibre composite structures
    Composite Structures, 2002
    Co-Authors: Erica A. Abbott, Murray L. Scott
    Abstract:

    This paper presents the development of a design tool for the design of Fibre composite structures with embedded sensors. It is argued that the interaction between the requirements of the structure, sensors, manufacturing and maintenance in the design process, and the difficulties in imposing the new sensor requirements on the traditional disciplines, makes it difficult for innovative sensing technologies to be efficiently incorporated into designs. The field of multidisciplinary design optimisation (MDO) is introduced and a case made for including an MDO capability in a finite element analysis based design tool to manage the complexity of considering the multidisciplinary aspects of the design of structures with embedded sensors. The major required components of the design tool are highlighted and discussed. The paper also provides a description of the implementation of the MDO design tool for the design of adhesive joints with embedded and surface mounted sensors.

A.m. Gallon - One of the best experts on this subject based on the ideXlab platform.

  • LOAD MONITORING OF COMPOSITES USING Smart Fibre OPTIC SENSORS
    FRC 2000–Composites for the Millennium, 2000
    Co-Authors: L.a. Everall, A.m. Gallon, H.l. Davies
    Abstract:

    ABSTRACT Composites are now used widely in a multitude of industries, including marine, aerospace, offshore and construction. This paper describes the potential of a Smart monitoring system to provide important structural information to the composite industry. The system uses sensors manufactured in optical Fibre, of diameter 0.25mm, to monitor loading at multiple locations within a structure. Due to the small size and light weight of the optical Fibres they can be readily embedded within a composite structure, such as a yacht mast, during lay-up. Fatigue tests of conditioned samples containing optical Fibre have shown that optical Fibre inclusion does not significantly effect material properties. By interrogating each sensor in real time, the system reveals the behaviour and health of a structure during manufacture and service. This technology, originally developed and demonstrated for aerospace, has application in all areas of engineering, including pipeline and civil engineering composite repair, yacht rigs and component monitoring. The real-time display of strain measurements allows continuous structural health monitoring and detection of problems before failure occurs. By taking periodic ‘strain maps’ of a structure, long term changes, for example ground subsidence under buildings, can be assessed. During the design phase of a structure, service conditions and required material responses must be understood. The information gathered through the system will allow designers to understand the structural performance more completely and relate the actual load data to predicted calculations. This will lead to increased confidence in composite design rules and in-service performance of composite structures. The potential of the system will be demonstrated using data obtained from sensors installed in a 35m free-standing carbon Fibre yacht. The system was trialed in the harsh environmental conditions associated with the maritime industry and monitored the behaviour of the free standing rig through a range of handling conditions.